THE COMPUTER DIRECTORY AND BUYERS' GUIDE, 1958 the June, 1958 issue of "Computers and Automation"

Part 1: Roster of Organizations in the Computer Field {cumulative}

Part 2: Buyers' Guide for the Computer Field: Products and Services for Sale or Rent {cumulative}

JUNE 1958· • VOL. 7 - NO.6 Military Field Service Division, largest in the Burroughs Defense Contracts Organization invites creative electronics engineers to apply their talents to these stimulating long range programs offering professional advancement, recognition and reward.

FIELD ENGINEERS ASSISTANT FIELD ENGINEERS INSTALLATION ENGINEERS DATA PROCESSING ENGINEERS TECHNICAL ASSISTANT ENGINEERS

Send resume to Mr. Robert Levinson, Manager of Personnel Administration BURROUGHS CORPORATION MILITARY FIELD SERVICE DIVISION 511 North Broad street Philadel~hia 23, Penna.

[ 2 ] PH I LeO ac.* ALL-TRANSISTOR MANAGEMENT "BRAIN" Here is the world's first and only large-scale, all-transistor data processing system . . . unsurpassed in capacity and performance. Transac is meeting the modern challenge for faster, smaller and more reliable large-scale data processing systems. Phi1co invites you to consider the many outstanding advantages of the new Transac S-2000 before you decide on any large scale data processing system.

COZJt1pa.x-e !

1/10 THE POWER CONSUMP­ TION. All transistor circuitry 1/10 THE FLOOR SPACE. The operates on 7-10 kilowatts as MULTI-MILLION HOUR TRAN­ complete Transac S-2000 sys­ opposed to the 70-100 kilo­ SISTOR RELIABILITY. Com­ tem will fit into a 20' x 20' LESS THAN 1/10 THE WEIGHT. watts required by vacuum puter transistors have amassed floor space. A tremendous Transac actually weighs less tube systems. Transac S-2000 more than 60 million tran­ economic advantage where than a comparable area of plugs into conventional sistor hours of service ... with space is at a premium. filing cabinets. nov outlets. highest performance reliability.

CO:KX1pa.x-e ! COZJt1pa.x-e !

NO EXPENSIVE SITE PREPARA­ NO COSTLY AIR CONDITION­ TION. No special reinforcing ING. Transistors generate or ducting of floors, instal­ practically no heat. Transac MOVEABLE. Transac S-2000 lation of power lines, etc., S-2000 needs little air condi­ GET ALL THE FACTS. Please can be easily moved from are necessary for quick in­ tioning as compared to the write for illustrated brochure place-to-place if you find it stallation or relocation of 40 tons or more required by describing the modern Philco necessary to relocate. Transac S-2000. vacuum tube systems. Transac S-2000 system.

At Phi!co, career opportunities are unlimited in computer, electronic and mechanical engineering, systems analysis, programming, sales representation. Government & Industrial Division PHILCO® PHILADELPHIA 44, PENNSYLVANIA *"Transac" - Trademark of Philco Corporation for Transistor Automatic Computer.

[3] COMPUTERS and AUTOMATION

DATA PROCESSING • CYBERNETICS • ROBOTS

Volume 7 Established Number 6 JUNE, 1958 September 1951

THE COMPUTER DIRECTORY AND BUYERS' GUIDE, 1958, the June 1958 issue of "Computers and Automation"

Part 1: Roster of Organizations in the Computer Field . 10

Part 2: Buyers' Guide to the Computer Field: Products and Services for Sale or Rent 57

- List of Headings for Products and Services 58

- Organizations with Expanded Bold F ace Entries 59

The Editor's Notes 6

Advertising Index 96

~< EDITOR: Edmund C. Berkeley Change of Address: If your address changes, please send ASSISTANT EDITOR: Neil D. Macdonald us both your new address and your old address (as it SERVICE AND SALES DIRECTOR appears on the magazine address sticker), and allow three Milton L. Kaye, 535 Fifth Ave., New York 17, N.Y. weeks for the change to be made. Murray Hill 2-4194

CONTRIBUTING EDITORS 4-ndrew D. Booth Ned Chapin John W. Carr, III Alston S. Householder Basic Source Information available to you from ADVISORY COMMITTEE Samuel B. Williams Herbert F. Mitchell, Jr. Howard T. Engstrom COMPUTERS and AUTO'MATION Alston S. Householder H. Jefferson Mills, Jr. George E. Forsythe Morton M. Astrahan Richard W. Hamming PEOPLE: ADVERTISING REPRESENTATIVES Mailing plates for over 18,500 computer people; includes ad­ New England: Ed Burnett, 815 Washington St., Newtonville 60, ditions and corrections up to April, 1958. We address your Mass ...... Decatur 2-5453 envelopes. $19.00 per M Middle Atlantic States: Milton L. Kaye, 535 Fifth Ave., New York 17, N.Y. -...... , .•...... , ...... Murray Hill 2-4194 ORGANIZATIONS: San Francisco 5: A. S. Babcock, 605 Market St.... " . Yukon 2-3954 The .Computer Directory and Buyers' Guide, 1958 (the June, 195~, I~sue .of. COMPUTERS and AUTOMATION): 740 or­ Los Angeles 5: W. F. Green, 439 S. Western Av~... Dunkirk 7-8136 ganIzatIOn lIstlOgS, 3220 product and service listings. $6.00 Elsewhere: The Publisher, Berkeley Enterprises, Inc., 815 Wash- ington St., Newtonville 60, Mass ...... Decatur 2-5453 or 2-3928 GLOSSARY OF TERMS: Over 480 careful, clear, understandable definitions. 4th cum­ COMPUTERS and AUTOMATION is published monthly at 160 Warren St., Roxbury 19, Mass., by Berkeley Enterprises, Inc. u!ative edition, as of October, 1956. (20 or more copies, 10% dIscount.) $1.00 Printed in U.S.A. SUBSCRIPTION RATES: (United States) $5.50 for 1 year, $10.60 BACK COPIES: for 2 years; (Canada) $6.00 for 1 year, $11.50 for 2 years: (For­ (For six years of publication.) eign) $6.50 for 1 year, $12.50 for 2 years. If available, $1.25 each, except Directory issues June 1955, to 1957, $4.00 each; June, 1958, $6.00. Address all Editorial and Subscription Mail to Berkeley Enterprises, Inc., 815 Washington St., Newtonville 60, Mass. Send prepaid orders or requests for more information to:

ENTERED AS SECOND CLASS MATTER at the Post Office at COMPUTERS and AUTOMATION Bos,ton 19, Mass. Postmaster: Please send all Forms 3579 to Berkeley Enterprises, Inc., 160 Warren St., Roxbury 19, Mass. 815 Washington Street Newtonville 60, Mass. Copyright, 1958, by Berkeley Enterprises, Inc. If not satisfactory, returnable in seven days for full refund. (4] [E~~ 0 0 0 ~(Q)~~lQ)~[E~[O)[E~ ~~ ~[UJ~1f(Q)~olB5~~LJ [Q1~~~W L~~~~~

• 1st in sales • 1st company devoted exclusively to the manufacture of custom-built .delay lines • 1st in research, design, development of custom-built delay lines, variable delay lines~ continuously variable delay lines • 1st to submit the most definitive laboratory reports with all prototypes

medium and low-power transformers filters of all types • pulse-forming networks miniature plug-in encapsulated circuit assemblies

Every prototype delay line and pulse trans­ equipment used, and an evaluation of the elec­ former report you receive from ESC includes trical characteristics ofthe unit. You can be sure submitted electrical requirements, photo­ that ESC specifications are at once realistic and oscillograms (which indicate input and output economical, particularly aimed at eliminating pulse shape and output rise-time), the test costly, time-consuming overspecification.

Write today for literature and technical data.

~T·~·~ ~. I exceptional employment Q]JPOTtunities jor ~ ~ IoI! engineen experienced in pulse techniques

~~!t CORPORATION 534 Bergen Boulevard, Palisades Park, New Jersey

[SJ THE EDITOR'S NOTES

The Computer Directory and Buyers' Guide, 1958 Classification of Papers at the Meeting of the Association for Computing Machinery, June, 1958 The fourth edition of "The Computer Directory and Buyers' Guide," the June issue of Computers and Auto­ A. Probably Requiring Specialized Knowledge mation, is here presented, 100 pages long, with the for Understanding hope that it will prove essential to the work of people Class No. Percent 1. Computer mathematics, including nu- in the computer field. This is the first issue of the di­ merical methods and error analysis 28 38% rectory in letterpress form instead of photo offset. 2. Computer applications, mathematical, "Part 1, Roster of Organizations in the Computer nonmathematical; and simulation 15 20 Field," contains about 740 entries on 37 pages. This 3. Computer programming, including compares with 795 entries on 30 pages last year. Many algebraic programming 14 19 organizations are included for the first time this year. 4. Computer design, concrete and ab- A number of organizations included last year are omitted stract 11 15 this year, since they either are apparently not in the computer field, or did not return a completed question­ Subtotal 68 naire to us before May 10, or both. 92% B. Probably Not Requiring Specialized Knowledge The "Roster of Organizations," by the way, is the for Understanding reason for our existence as a magazine, since our first 1. Education issue, Vol. 1, No.1, in September, 1951, consisted only 3 4% 2. Description of computers 1 1 of a seven page purple ditto list of organizations in the Computer history 1 1 computer field. 3. 4. Reporting computer performance to In this issue, "Part 2, Buyers' Guide for the Com­ management 1 1 puter Field;. Products and Services for Sale or Rem," 5. Computer research in the university 1 1 contains about 3220 entries on 32 pages. Thsi compares with last year's which contained 1370 entries on 39 Subtotal pages. 7 8% The main reason for the rather large increase in num­ Total 75 1000/0 ber of entries is that this year we have many more head­ ings than last year, and that many organizations have checked off the headings under which they s1- ould be understood. For example, if a computer person was to referenced. Also, this year for the first time, we have profit from most of the mathematical papers he needed omitted expanded descriptions of products and services to know mathematics beyond calculus; sample title, "An for organizations which have not paid the requested $10 Algorithm for the Determination of the Polynomial of charge for an expanded descriptive listing. Considera­ the Best Minimax Approximation to a Function Defined tions of cost have compelled this change. on a Finite Point Set." But many computer people, As usual, we ask our readers please to tell us of addi­ especially those concerned with business applications, tions, corrections, and revisions, so that we may continue do not know even calculus. to try to make the reference information th ~ t we publish Probably no one enjoys sitting in a lecture hall, and useful and reliable. hearing a person present a paper which starts off beyond his comprehension, and then goes much further. Yet IS THE COMPUTER FIELD STAYING TOGETHER the person giving the paper has this dilemma; present new results and so be sure of making a contribution OR SEPARATING? to the computer field even if the audience cannot un­ ONE OF THE questions that faces the computer field derstand them; or explain old results and run the risk is whether it will stay together or come apart into pieces. of adverse comments from people who already know It is the question whether computer people will continue the subject. The usual choice naturally is the first one, to stay together in one association or will begin to sep­ since it is safer and may bring some glory. But com­ arate into groups that are able to know each other and munciation between computer people is not aided communicate with each other. The posing of this ques­ thereby. tion could be clearly seen at the meeting of the Associa­ An even simpler failure of communication is that tion for Computing Machinery at Urbana, Ill., June 11 some speakers even nowadays do not talk loud enough to 13. to be heard in the back of a large hall, nor use the The question is reflected, for example, in the subjects microphone with ease. In fact, the chairman of one of of the papers, contributed and invited, given at the the sessions - when asked by calls from the audience to meeting. In the accompanying table is shown an an­ use the microphone - refused to go to the microphone alysis by subject of the 75 papers (the program, titles, and try to speak so as to be heard, certainly a dis­ and abstracts will be printed in the July issue of Com­ courteous gesture to an audience. puters and Automation). At least some of the people in the Association for If this analysis is correct, over 90 percent of the Computing Machinery however are keenly aware of the papers required specialized knowledge in order to be [Please turn to page 96] [7 J Second in a Series

Electronic Sorting: Sound Economics on the DATAmatic 1000

One of the fundamental problems of business data recording speeds of 120,000 decimal digits per second handling is the function of sorting. In most business data while retaining conservative values of linear tape speed processing applications it is quite common for sorting and pulse density. The result is a sustained transfer rate and re-sorting operations to take Ys to % of the total of 60,000 digits per second. Furthermore, the ability to time required. read recorded information in either direction saves valu­ able time by minimizing tape rewinding. Until the arrival of DATAmatic 1000, sorting business data electronically could not be justified in terms of A unique buffer design allows simultaneous transfer of dollars and cents. The operating costs of electronic equip­ information into and out of the high-speed memory. Four ment far outweighed its advantages in speed. Cost per distinct operations are carried out independently: trans­ record sorted was prohibitive. fer of information from tape to buffer, from buffer to high-speed memory, from memory to buffer, and from Honeywell engineers broke through this economic bar­ buffer to tape. rier by making the DATAmatic 1000 so fast, so efficient that electronic sorting is now not only justifiable, but To achieve even greater efficiency with this advanced actually less expensive than electro-mechanical sorting. buffer system, Honeywell scientists incorporated special Speeds such as these help explain why only DATAmatic multiple-duty instructions. For example, a sorting in­ 1000 makes electronic sorting economical: struction called Double Transfer and Select will perform these functions: transfer a record from specific memory TYPICAL DIGITAL SORTING SPEEDS locations to the output buffer, transfer a new record from the input buffer to the same memory locations, extract Length of Sort Key Number of Time Number of Record (Decimal Magnetic (in from the record the digit on which the sorting occurs, (in words) Digits) Tape Units Minutes) Retords branch to a subroutine appropriate to this digit and re­ 10,000 3 3 6 .75 50,000 15 5 7 28.65 turn to continue the original program. 100,000 10 5 4 55.56 200,000 6 4 11 29.17 A comprehensive built-in checking system adds to the 250,000 5 6 20 30.38 sorting superiority of the DATAmatic 1000 by insuring accuracy without the need for internal programmed checks. High circuit and component reliability plus built­ TYPICAL MERGE SORTING SPEEDS (based on 12 digit key) in provision for convenient marginal checking virtually Length of Number of Time eliminate lost time due to reruns. Number of Record Type of Magnetic (in Records (in words) Merge Sort Tape Units Minutes) Sorting is but one of the many areas of business data 20,000 30 2·way 4 23.35 50,000 15 2·way 4 30.04 processing in which the DATAmatic 1000 has been de':' 100,000 10 3·way 6 30.5 signed to excel. If you have a specific sorting problem 500,000 5 3·way 6 126.12 which you would like to use as a basis for your introduc­ 750,000 4 4·way 8 180.16 tion to the system, send your sorting example to DATA­ matic's Applications Department including number of DATAmatic 1000's marked superiority in this impor­ items, number of characters per item and number of tant sorting function can be attributed to four basic digits in the sort-key. You will receive a complete analysis design advantages: including the time required, the basis on which it is calcu­ lated and the amount of tape necessary. Please address 1. faster rate of reading and writing information on mag­ your request to: Dr. R F. Clippinger, Dept. A6, DATA­ netic tape, plus the ability to read recorded informa­ matic Division, Newton Highlands 61, Massachusetts. tion in either direction 2. four-section input-output buffer system 3. multiple-duty instructions 4. higher reliability and complete self-checking Honeywell The 3-inch-wide, 3I-channel magnetic tape utilized in tHj DATAmatic the DATAmatic 1000 permits instantaneous reading and ELECTRONIC DATA PROCESSINe

[ 8 ] COMPUTER PROGRESS Digital and Analog Computers at Work ARTICLE 1 . VOLUME 1 MAGNETIC INK CHARACTER READING COMPUTER SYSTEM TO SPEED BANK CHECK HANDLING WITH INCREASED ACCURACY

A new automated check handling com­ puter system is being manufactured by the General Electric Company Computer involved in determining if there are suf­ Department for today's modern banks. ficient funds, and if there are holds or One of the unique features of the sys­ stops against the check. Then it com­ NEW tem is a magnetic ink character reader putes the new balance, and finally, it which actually "reads" the Arabic nu­ issues the monOOy statement. TRANSISTORIZED merals illustrated above, and thereby The General Electric system offers a eliminates the need for punched cards high degree of speed and accuracy, easy or tape as input to the system. The check verification, no radical -check format CHARACTER,I • READER itself is fed into the computer. changes, relative invulnerability of Basically, the technique is simple. encoded data to obliteration, low costs. ANNOUNCED Account numbers are preprinted on cqs­ Customer acceptance is virtually assured. A fully transistorized mag­ tomers' checks in magnetic ink. When Because the system agrees with an netic ink character reader has the check is turned over to the bank, the American Bankers Association commit­ been developed by the General dollar amount is imprinted on it, also in tee recommendation, a high degree of Electric Company Computer magnetic ink. From there on, the data system acceptance with leading banks Department at its research processor handles all the mathematics and financial institutions is assured. laboratory in Palo Alto, Cali­ fornia. The reader will be used as part of G-E's data process­ COMPUTING SERVICES GROUP HANDLES COMPLEX ORIGIN~DESTINATION STUDY ing system for banks, but FOR WESTERN CITY other applications are being studied. The Computing Services section of the plete. However, using General Electric's The new character reader is G-E qomputer Department recently giant computer on a rental basis, the job about the sjze of a typewriter, completed an origin-destination tabula­ was completed in just a few ·weeks. The and does the same job as a tion for the Phoenix-Maricopa County Computer Department also performed vacuum tube version that is Traffic Study Group in Phoenix, Arizona. the difficult programming job. four times larger. Solid state The results·of this tabulation, when ana­ (Programming, simply stated, is the 1i circuitry throughout requires lyzed, will enable the group to plan the translation:-of the solution method into less power, cooling and delicate street and highway development pro­ ~he language a computer can understand, handling than was required gram of this desert metropolis for years and the issuance of instructions to the for the vacuum tube model. to come. computer so that it will process the The original survey information was information as it is fed.) obtained by the city-county personnel The Computing Services section of For more information, please contact: using the interviewing procedures set up G-E's Computer Department is staffed Computer Department-Room ~~8, by the U. S. Bureau of Public Roads. with 125 analysts, programmers, coders General Electric Company, 1103 North The data was put on punched cards and -all leaders in the computer field. Their Central Avenue, Phoeni:x: Arizona. then turned over to G-E for processing services are available, along with time CPA-6 on the large a,nd versatile IBM 704 com­ and tabulation. -'~lstM-MosII~~ Using manual, or simple computing puter, to handle the problems of indus­ methods, such tabulations often take try, business, government and education. many months-sometimes years-to com- GENE.RAL. ELECtRIC Part 1 of THE COMPUTER DIRECTORY AND BUYERS' GUIDE, 1958, the June, 1958, issue of tlComputers and Automation"

ROSTER OF ORGANIZATIONS IN THE COMPUTER FIELD

(Cumulative, information as of May 15, 1958)

The purpose of this Roster is to report organizations Me Organization established a "medium" time ago (all that are known to us) in the computer field: organi­ (1926 to 1945) zations making or developing computing machinery or Se Organization established a short time ago (1946 or data-processing machinery; organizations supplying com­ later) (no. in parentheses is year of establishment) puting services or consulting services in the computer field; Interest in Computers and Automation and organizations supplying components or services used Dc Digital computing machinery in the computer field if related to the field (for example, Ac Analog computing machinery magnetic drums would be such a component). Ie Incidental interests in computing machinery Entries. Each Roster entry if complete contains: name Sc Servomechanisms of the organization, its address / telephone number / de­ Cc Automatic control machinery scription of its main activities, main products in the field, Mc Automatic materials handling machinery any comments / types of activities it engages in, size (ex­ *C This organization has kindly furnished us with infor­ pressed in number of employees), year established, nature mation expressly for the purposes of the Roster and there­ of its interest in the computer field / names and titles of fore our report is likely to be more complete and accurate two officers. In cases where we do not have complete in­ than otherwise might be the case. (C for Checking) / formation, we put down what we have. Entries in this 58: information furnished in 1958 / 57: information Roster are free. If the entry for the organization is to be furnished in 1957 / etc. printed in bold face type, there is a small nominal charge. Organization Entry Form Acc1tracy. We have tried to make each entry accurate The form to be completed for an entry in the Roster of to the extent of information in our possession. We shall Organizations follows: be grateful for any more information or additions or cor­ L Your organization's correct name? ______rections that anyone is kind enough to send us. Although we have tried to be accurate and complete, we assume no 2. Street address? ______liability for any statements expressed or implied. 3. City, Zone, State? ______Abbreviations 4. Telephone Number? ------The key to the abbreviations follows: 5. Brief Description of your Product Lines and Services Activities Ma Manufacturing activity Sa Selling activity Ra Research and development Ca Consulting 6. Types of Activity that you engage in: Ga Government activity ( ) Research Pa Problem-solving ( ) Manufacturing Ba Buying activity ( ) Selling (Used also in combinations as in RMSa "research, ( ) Consulting manufacturing and selling activity") ( ) Other (please explain) ______Size Ls Large size, over 500 employees 7. Approximate number of your employees? ______Ms Medium size, 50 to 500 employees 8. Year when your organization was established? ______Ss Small size, under 50 employees (no. in parentheses 9. Free Listings for two of your executives: is approx. no. of employees) Name ______. ______Title ______When Established Name ______Title ______Le Long established organization (1925 or earlier) Filled in by --- ______Title ______Date ______

[ 10] ROSTER Computers, counters, delay lines / Ie RMSa Advanced Electronics, Inc., 94 Silas Deane Hwy., Rocky A Hill 9, Conn. / JAckson 9-6881 / *C 58 Accurate Electronics Corp., 169 S. Abbe Rd., Dept. c., Fabrication and assembly of electronic and electro­ Elyria, Ohio / EMerson 6-7925 / *C 58 mechanical equipment. Bobbin coil winding. Vi­ Plug and strip type plotting boards, connectors, bration detection equipment; automatic and signal­ jacks, jack panels, and terminals / RMSa Ss(25) Se ing controls; cable assemblies; computer type coils; (1952) Ie embedded assemblies and components / RMSa Ss Ace Electronics Associates, Inc., 99 Dover St., Somer- (20) Se(1953) Ic ville 44, Mass. / SOmerset 6-5130 / *C 58 AEC Computing Facility, Institute of Mathematical Sci­ Potentiometers, linear, non-linear, precision, sub­ ences, 25 Waverly Place, New York 3, N.Y. / AL­ miniature, micro-miniature. Hermetically sealed, gonquin 4-9920 / *C 57 sub-miniature relays / RMSa Ms (150) Se (1933) Ic Research and computer service for the Atomic Ace Relay Associates, Inc. - same as Ace Electronics As­ Energy Commission. Univac I and IBM 704 with sociates, Inc., which see. peripheral equipment / Ms (100) Se (1952) Dc ACF Electronics, Inc. - name changed to Avion Divi­ RCPGa sion-Alexandria of ACF Industries, which see. Aemco Inc., 10 State St., Mankato, Minn. / 5153 / Acheson Colloids Co., a div. of Acheson Industries, Inc., *C 58 1640 Washington, Port Huron, Mich. / YUkon 4-4171 Relays / RMSa Ms (350) Le (1918) le / *C 58 Aero Electronics Co., 1512 N. Wells St., Chicago 10, Dispersions of colloidal graphite, molybdenum di­ Ill. / WHitehall 3-0401 / *C 58 sulfide, and other solids used for surface and con­ Computing indicators and test equipment, synchro ductive coatings / RMSCa Ms (100) Le (1908) Ic and servo type instruments and equipment, analog Ackerland Corp., Saratoga, Calif. - corporation now in­ computers, plotting boards, and simulators, consult­ active ing services / RMSCa Ss (15) Se (1948) Ale Acroscope Engineering Co., 1001 E. Manchester Ave., Aeronca Mfg. Corp., Baltimore Facility, Hilltop and Los Angeles 1, Calif. / LUdlow 3-2241 / *C 58 Frederick Rds., Baltimore 28, Md. / RI 7-0200 / *C 58 Small precision plastic parts for the electronic and Digital converters and comparators, digital data computer industry. Precision lapping and honing. handling devices and systems, automatic control Coil winding bobbins / RMSa Ss(15) Se(1948) Ie equipment, plug-in circuits, analog and digital com­ Edward Zinkow, Sales Mgr. / Harold J. Zinkow, puters, telemetering systems, multipliers / RMSa Prod. Mgr. Ms (60) Se (1949) Dc Actuarial Computing Service, Inc., 684 W. Peachtree Aeronutronic Systems Inc., 1234 Air Way, Glendale, St., N.W., Atlanta 8, Ga. / - / *C 57 Calif. (subsidiary of Ford Motor Company) / CHap­ Computing service / Ss Se Dc RCPa man 5-6651 / *C 57 Adalia Computations, Ltd., 1410 Stanley St., Montreal Digital and analog computing machinery / Ms (200) 2, Que., Canada / VIctor 9-2281 / *C 58 Se (1956) DAIe RSa Computing and programming services / ACPa Ms Aerovox Corp., Belleville Ave., New Bedford, Mass. / (65) Se(1952) DAc WYman 4-9661 / *C 58 Adalia, Ltd., 1410 Stanley St., Montreal 2, Que., Canada Computer-type capacitors, resistors, ferrite cores, (also Toronto) / Marquette 2281 / *C 57 jacks, magnets, switches / RMSa Ls (3000) Le (1922) Consulting services in digital and analog computer Ie applications, data processing, automatic control, de­ Ahrendt Instrument Company, 4910 Calvert Rd., Col­ sign and development of special input, output, stor­ lege Park, Md. age and computing equipment; systems analysis and Analog-to-digital converters. Analog computers. design; operations research / Ss (40) Se (1952) DAc Electronic components / Ale RMSa RCPa Airborne Instruments Lab., Inc., 160 Old Country Road, ADB Institutet (Scandinavian Automatic Data Process­ Mineola, L.I., N.Y. ing Institute), School of Technology, Gothenburg Computers, analog-to-digital converters, data reduc­ University, Gibraltargatam 5 P, Gothenburg, Sweden tion equipment / Ale RMSa / 205209, 205248, 205258 / *C 58 Airborne Instruments Laboratories, Modac Division, University training in automatic data processing. (formerly Mountain Systems, Inc.), 864 Franklin Ave­ Consulting, programming, coding and running nue, Thornwood, N.Y. / PIoneer 2-0600 / *C 57 problems on Alwac III-E computer for industries Electronic data processing systems (Modac); special in Scandinavia / RCPa Ms(60) Se(1957) Dc purpose digital computing systems for business and Addressograph-Multigraph Corp., 1200 Babbitt Rd., scientific applications, magnetic drums. Magnetic Cleveland 17, Ohio / Redwood 1-8000 / and else­ tape input-output unit which prepares tape for other where / *C 57 computers / Ss Se Dc RMSa Electronic facsimile printers, magnetic tape elec­ Aircraft Armaments, Inc., Industry Lane, Cockeysville, tronic printers, transfer printers, card-to-magnetic Md. tape converter, output data converter, addressograph Computers, analog, digital. Data reduction equip­ sensing plates, etc. / Ls(2500) Le(1903) Ie RMSa ment / DAle RMSa Advance Electronics Lab., Inc., 451 Highland Ave., Airdesign, Inc., 241 Fairfield Ave., Upper Darby, Pa. Passaic, N.J. Delay lines / Ie RMSa [11] Airflyte Electronics Co., 535 Avenue A, Bayonne, N.J. automatic controls and equipment, capacitors, fer­ I HEmlock 6-2230 / *C 58 rite cores, resistors, switches, potentiometers / Electronic components, analog-to-digital and digital­ RMSa ICc to-analog converters, rotary segmented switches, R. D. Allen Business Machines, Inc., Front St. N.W., custom encapsulation services, plug-in and potted Grand Rapids, Mich. / GLendale 6-8541 / *C 57 circuits, embedded assemblies and components, step­ Adding machines, bookkeeping machines, cash reg­ ping switches / Ms(60) Se(1950) RMSa DAIc isters, gyro instruments, etc. / Ls(1250) Me(1932) AIRPAX PRODUCTS CO., CAMBRIDGE DIV., Jack­ DIc RMSa town Rd., Cambridge, Md.; Transformer Div., Mid­ Allgemeine Elektricitaets-Gesellschaft, Frankfurt on dle River, Baltimore 20, Md.; Seminole Div., P.O. Main, Germany Box 8488, Ft. Lauderdale, Fla. / 2097 (Camb. Div.); Semi-conductors, germanium diodes I Ic RMSa MUrdock 6-9100 (Trans. Div.); LU 3-6160 (Semin­ Allied Control Co., Inc., 2 East End Ave., New York 21, ole Div.) / *C 58 N.Y. / BUtterfield 8-7403 / *C 58 Choppers, circuit breakers, magnetic amplifiers, Relays and coils for use in electronic control devices, magnetic tachometers, servo amplifiers, power fre­ subminiature toggle switches, solenoid valves / quency detectors / RMSa Ms(250) Me(1947) Ic RMSa LS(1000) Me(1938) Ic H. A. Cook, Pres. / J. W. Sullivan, Gen. Sales Mgr. Allied Engineering Div., Conn. & Richards Ave., S. Airt~onics, Inc., 5522 Dorsey Lane, Washington 16, D.C. Norwalk, Conn. / OLiver 4-1676 I *C 58 Computers, analog and digital / DAc RMSa Memory units, specialized computer components, Allies' Products Corp., P.O. Box 188, Kendall Branch, specialized instrumentation, and other similar engi­ Miami 56, Fla. / CE 5-5424 / *C 58 neering services. Computer-type, packaged, logical, Precision carbon deposited resistors / RMSa Ss (10) plug-in, potted, printed circuits. Consulting serv­ Se(1952) Ic ices. Electronic and frequency counters; shift reg­ Alwac Computer Div., EI-Tronics, Inc., 13040 S. Cerise, isters; magnetic storage systems / RMSCa Ms Me Hawthorne, Calif. / OSborne 5-0311 / *C 58 (1947) Ic General purpose digital computer (ALWAC III-E), ALADDIN ELECTRONICS, A DIVISION OF ALAD­ computer component parts, card converters, uni­ DIN INDUSTRIES, INC., (formerly Aladdin Radio versal tester, magnetic tape transport, magnetic tape Industries) 703 Murfreesboro Rd., Nashville 10, Tenn. buffer, magnetic heads, magnetic drums, paper tape / CHapel 2-3411 / *C 58 console, data reduction and input-output equipment, Pulse transformers, magnetic shift registers, com­ automatic graph plotters / RMSa Ms (110) Se (1952) puter logical elements utilizing magnetic materials, Dlc other magnetic core computing machine compo­ American Automatic Typewriter Co., 2323 No. Pulaski nents. Ferrite cored inductors. IF transformers, Rd., Chicago 39, Ill. I Everglade 4-5151 / *C transistor IF transformers, delay lines / RMSa Ls Pneumatically controlled programming and testing , (600) Le(1908) Ic devices. Automatic selective typing equipment W. W. Stifler, VP and Gen. Mgr. / A. S. Daddario, (Autotypist). Testing machines for typewriters, Ch. Engr. adding machines, calculating machines / Ms (100) Alden Electronic and Impulse Recording Equipment Le (1869) Ic RMSa Co., Alden Research Center, Westboro, Mass. / FOr­ American Electro Metal Corp., 320 Yonkers Ave., 'Y onk­ est 6-4467 / *C 58 ers 2, N.Y. Facsimile transmitting and receiving equipment, Magnetic cores / Ic RMSa facsimile communication systems, facsimile compo­ American Electronic Labs., 641 Arch St., Philadelphia nents, sensitized paper. Pulse 'recorders, automatic 6, Pa. curve plotters. Data recording cameras. Scanners / Computers. Data reduction equipment / Dc RMSa RMSa Ms Se Ic American Electronics Co., 1203 Bryant Ave., New York Alden Products Co., Brockton, Mass. / JUniper 3-0160 59, N.Y. I *C 58 Analog computers. Analog-to-digital converters / Cable assemblies, metal chassis, patch cords, count­ Ale RMSa ers, coil winding bobbins, breadboard kits, com­ American Electronics, Inc., 65 5 West Washington Blvd., puter packaged circuits, connectors, magnetic cores, Los Angeles 15, Calif. / RIchmond 9-5361 / *C 58 fastening devices, jacks, plotters, magnetic storage Automatic data recording systems and accessories, systems / RMSa Ms (300) Me (1930) Ic automation systems; nuclear products, radiation Alfax Paper & Engineering Co., Washington St., West­ standards, badges, and counters; data processors, boro, Mass. / FOrest 6-4467 / *C 58 computers, analysis equipment, line printers, se­ Electrosensitive recording paper for facsimile and quential recorders; magnetic amplifiers; signaling graphic recording / RMSa Ms Me(1942) Ie controls; magnetic card and magnetic tape readers; Alleghany Instrument Co., Inc., 1091 Wills Mountain, resolvers, synchros; telemetering systems / RMSCa Cumberland, Maryland / PArkview 4-1200 / *C 57 Ls (1500) Me (1946) DAlc ' Data recording and computing systems for ballistic American Hydromath Corp., 25-20 43rd St., Long Is­ measurements / Ss(40) Se(1952) ADc RMSa land 1, N.Y. Allen-Bradley Co., 136 W. Greenfield Ave., Milwaukee Analog. computers / Ac RMSa 4, Wis. / ORchard 1-2000 / *C 58 American Lava Corp., Cherokee Blvd. & Mfrs. Rd., Electric motor' control and electronic components, Chattanooga 5, Tenn.

[ 12 ] The ORGANIZATION and RETRIEVAL of INFORMATION

The organization and retrieval of large volumes of and retrieve large quantities of information, and at diverse types of information is rapidly becoming one high speed automatically perform long, complex of today's more serious problems. Major areas where sequences of operations. the problem exists include business and industry, the At Ramo-Wooldridge, work is in progress on advanced military, the government, and the scientific and engi­ information handling systems that are characterized neering community itself. by large volume and widely different forms of infor­ In its simpler forms, the problem may involve, for mation, short time scales, and a variety of uses and example, the automatic handling and analysis of busi­ users. The scope of the work includes the planning of ness data such as payrolls, sales and manufacturing systems and procedures, programming various types of figures, insurance premiums, and other essentially sta­ data handling equipment, and formulation of require­ tistical data. At the other extreme are certain complex ments for new equipment. Research is also under way military situations which require the concurrent inter­ on the machine translation of foreign languages into pretation, analysis, and integration on a very short time English. scale of data from a wide variety of sources, including Engineers and scientists with experience in the follow­ field reports, photographs, news reports, estimates of ing fields are invited to explore the wide range of open­ industrial activity, and the like. In many of these situa­ ings now available: tions, there is the additional requirement to translate Systems Engineering the information from a foreign language into English. EDP Systems The development in recent years of electronic data Computer Programming handling equipment is now making possible the Console Design practical solution of many of these problems. Such Display Development equipment has the capability to perform arithmetic High Acuity Optics operations, make decisions among alternatives, store Photo Interpretation The Ramo-Wooldridge Corporation 5730 ARBOR VITAE STREET. LOS ANGELES 45, CALIFORNIA

[ 13 ] Magnetic tape, cores, ceramic / Ie RMSa Solid ultrasonic delay lines, variable delay lines / American Machine and Foundry, Electronics Division, RMSa Ms(5O') Se(1951) Ic 1085 Commonwealth Ave., Boston, Mass. / ALgon­ C. H. Alvord, Pres. / W. M. Andersen, VP quin 4-4234 / *C ANELEX CORP., 150' Causeway St., Boston 14, Mass. Magnetic shift registers, digital data-handling equip­ I RIchmond 2-1720' I *C 58 ment; data readout and display, servo-mechanisms. High speed printers I RMSa Ms(IO'O') Se(1948) Ic Digital servo / Ls(800) Se(1948) Dc RMSa Gilchrist L. Hurst, VP sales / R. A. Merrill, Market­ American Machine & Foundry Co., Computing Center, ing Mgr. Greenwich, Conn. / *C 57 Applied Electronics Corp., 1117 Commonwealth Ave., Computing service; consulting, problem analysis, Boston 15, Mass. - name changed to Wayne-George programming, coding and running of problems on Corp. Datatron digital computer or analog computer / Applied Science Corp. of Princeton, P.O. Box 44, Prince- DAc RCPa ton, N.J. / SWinburne 9-10'00 / *C 58 AMERICAN MOLDED PRODUCTS CO., 2727 W. Pulse width telemetry, statistical data analysis, in­ ChiCago Ave., Chicago 22, Ill. / AR 6-3235 / *C 58 dustrial telemetry and supervisory control, data han­ Molded nylon and fluorocarbon bobbins and mag­ dling systems, analog computers, consulting serv­ netic tape reels / RMSa Ms(25O') ?e Ic ices, automatic and signaling controls, computing C. E. Caestecker, President / A. P. Hultgren, Vice converters, scanners, simulators I RMSCa Ms (400) President Me(1946) Ic American Printed Circuits Co., Inc., 10'4 Forrest St., Arenberg Ultrasonic Laboratory, Inc., 94 Green St., Ja- Metuchen ,N.J. / LIberty 8-5777 / *C 58 maica Plain 30, Mass. I JAmaica 2-8640 / *C 58 Printed circuits / RMSa Ss(8) Se(1953) Ie Ultrasonic solid delay lines for radar and computer American Research & Mfg. Corp., 920 Halpine Ave., applications, ultrasonic test equipment, computer Rockville, Md. / HAzelwood 7-7116 / *C 58 test equipment, memory systems, storage systems I Magnetic and transistorized instruments and equi p­ RMSCa Ss(7) Se(1957) Ic ment; magnetic and semiconductor regulated power Argonne National Laboratory, Box 299, Lemont, Ill. / supplies; magnetic amplifiers; frequency multipliers; Lemont 80'0 / *C simulators / RMSa Ms (55) Se (1954) Ic Maker of Avidac and Oracle automatic digital com­ AMP Inc., Eisenhower Blvd., Harrisburg, Pa. / CEdar puters and other computers, for own use and other 4-0101 / *C 58 Solderless terminals, connectors and wiring devices, government agencies I Ls (2500) Me (1942) DAIc RGPa programming plugboards and systems, patchcords / Ma Ls(1000) Me(1941) Ic ARMA DIV., AMERICAN BOSCH ARMA CORP., AMPEREX ELECTRONIC CORP., 230' Duffy Ave., Roosevelt Field, Garden City, Long Island, N.Y. / Hicksville, L.I., N.Y. / Wells 1-6200' / *C 58 *C58 Electron tubes and indicator tubes / RMSa Ms ( 40'0) Electronic fire control systems for airborne, ship­ Le(1928) IC borne and submarine vehicles; inertial guidance sys­ Frank Randall, Pres. / Lyle Backer, Dir. of Eng. tems for missiles and aircraft; transistorized air­ Amperite Co., Inc., 561 Broadway, New York 12, N.Y. borne digital computers; gyroscopic navigation / CAnal 6·1446 / *C 58 equipment / RMSa Ls(6O'O'O') Le DASc Delay relays, ballast tubes for regulation of current Armour Research Foundation, Illinois Inst. of Technol­ and voltage / RMSa Ms (75) Le (1924) Ic ogy, 10 West 35th St., Chicago 16, Ill. / CAlumet AMPEX CORP., INSTRUMENTATION DIV., 934 5-9600 / *C 57 Charter St., Redwood City, Calif. / EMerson 9-1481 / Design and construction of developmental com­ *C 58 puters, both analog and digital, for special applica­ Magnetic tape recorder-reproducers ~nd readers; tions only. Digital-to-analog and analog-to-digital magnetic tape for programming computers; mem­ converters. Data reduction systems. Magnetic re­ ory systems; input-output devices; digital and an­ cording. Automatic control machinery. Servomech­ alog magnetic storage devices; data recording equip­ anisms. Instrumentation. Computing service: ana­ ment; facsimile equipment; information retrieval log, digital; IBM 650 digital computer, Goodyear devices / RMSa Ls(2O'O'O') Me(1947) Ie Electronic Digital Differential Analyzers / Ls (1250) AMPHENOL ELECTRONICS CORP., 1830' S .54th St., Me (1937) DAISCc RCPa Chicago 50', Ill. / BIshop 2-10'0'0' / *C 57 Arnhold Ceramics, Inc., One E. 57th St., New York 22, Connectors for computer applications; all types / N.Y. / PLaza 5-8213 / *C 58 Ls(2O'O'O') Me(1932) Ic RMSa Two-ton presses for ferrite memory cores (Dorst Analogue Controls, Inc., 39 Roselle St., Mineola, N.Y. Div.). Capless film resistors (Electronics Div.) / / PIoneer 2-890'1 / *C 58 RMSa Ss(10) Se(1951) Ic Special analog computers; potentiometers; air bear­ THE ARNOLD ENGINEERING CO., Railroad Ave. ing-high speed magnetic drum drives; magnetic and West St., Marengo, Ill. I (Chicago) ANdover clutches; analog to digital converters / RMSa Ms 6300' / *C 58 (52) Se(1953) AIc Permanent magnets cast and sintered; magnetic ANDERSEN LABORATORIES, INC., 50'1 New Park cores; high permeability tape wound cores; tape Ave., West Hartford 10', Conn. / ADams 3-4491 / wound bobbin cores; powder cores; special mag­ *C 58 netic materials / RMSa Ls(625) Me(1936) Ic [14 ] These 3 New RCA Low-Cost Comp-uter Transistors Can Open New Markets For You!

RCA now makes available low-cost high-quality transistors for reliable performance in electronic computer applications!

• Can low-priced, highly-reliable computer transistors help you ex­ pand into new markets? • Can they enable you to profit­ ably engage in the design of com­ pact mass-produced computers? • Are you looking for ways to re­ vise your current designs to save costs? If the highly desirable combination of reliable performance and low cost have been difficult for you to find, investigate these three new R<;!A units: RCA-2N581, RCA- 2N583, and RCA-2N585. They are specifically designed, produced and controlled for computer appli­ MEDIUM·CURRENT SWITCHING SERVICE IN COMPUTER APPLICATIONS Typical Typical Maximum RCA Type Alpha-Cutoff DC-Current Transfer Ratio cations; life-tested for dependable Collector Ma. Frequency Mc Value at Collector Ma. service; electrically uniform; 2N581* (p-n-p) 8 30at -20 -100 available in commercial quanti­ 2N583*· (p-n-p) 30 at -20 -100 ties; and are unusually low in price. 8 5 40at +20 +200 In addition to these three new types, RCA offers a comprehensive line of transistors for your most critical computer designs. For ad­ EAST: 744 Broad Street WEST: 6355 E. Washington Blvd. ditional information on RCA Newark, N. J. Los Angeles, Calif. RAymond 3-8361 Transistors, contact your local HUmboldt 5-3900 GOV'T: 224 N. Wilkinson Street Dayton, Ohio authorized RCA Distributor or MIDWEST: Suite 1154 BAldwin 6-2366 your RCA Field Representative at Merchandise Mart Plaza 1625 "K" Street, N.W. Chicago, Ill. Washington, D.C. the office nearest you. WHiteha114-2900 DIstrict 7-1260 For technical data on RCA Tran­ sistors, write RCA Commercial RADIO CORPORATION OF AMERICA Engineering, Section. F -90-NN, e.:w.;. Semiconductor and Materials Division Somerville, New Jersey. ® . Somerville, ",e~ Jersey

[ 15 ]. Robert M. Arnold, Pres. / Charles S. Brand, V.P. tal and analog computers; servomechanisms / Ms artd Chief Engineer (300) Me(1928) Ie MSa Askania Regulator Co., 240 E. Ontario St., Chicago 11, AUTOMATION CONSULTANTS, INC., 155 Fifth 111. / Whitehall 4-3700 / *C Ave., New York 10, N.Y. / OR 4-6660 / *C 58 , Hydraulic and electronic automatic control equip­ Consulting engineers (office automation field). ment. Servomechanisms. Computing service: an­ Publishers of "Office Automation" and "Office alog; Philbrick analog computer / Ms (400) Me Automation Applications" / Ca (Ss12) Se(1953) (1930) sec RMSPa Dc Assembly Products, Inc., 75 Wilson Mills Rd., Chester- R. Hunt Brown, Pres; / H.' Cash, Editor Office land, Ohio / HA 3-4436 / *C 58 Automation Contact meter relays, panel meters, electrically ac­ Automation Controls Corp., 5737 West 98 St., Los tuated controls, automatic control equipment, ana· Angeles 45, Calif. / ORegon 8-0911 / *C 58 log to digital converters / RMSa Ms (210) Me Automatic control equipment; relays / RMSa Ss(5) (1945) DACe Se(1957) ICc Atlas Precision Products Co., 3801 Castor Avenue, ,Phil- Automation Engineering Laboratory, One E. Putnam ,adelphia 24, Pa. / Jefferson 5-3700 / *C 57 Ave., Greenwich, Conn. / Greenwich 8-2300 Mechanical analog computers for fire control, radar, Designs, engineers, and builds complete automated etc.; geared mechanisms, servos, etc. / MS(270) units or systems / Ic RMCa Me(1928) Alc MSa AUTOMATION ENGINEERS COMPANY, Div. of AUDIO DEVICES, INC.,444 Madison Ave., New York Associated Industrial Consultants, 344 West State St., 22, N.Y. / PLaza 1-6640 / *C 58 Trenton 8, N.J. / OWen 5-8509 / *C 58 Magnetic recording tape, guaranteed defect-free for Consultants in automatic control machinery, auto­ use in computers; telemetry, seismography, auto­ matic materials handling equipment, and informa­ mation; silicon rectifiers / RMSa Ms(150) Me tion handling equipment. Analysis of automation (1937) Ie opportunities and economics of application; super­ W. C. Speed, Pres. / Bryce Haynes, VP vision of design and installation of automation im­ AUDIO DEVICES, INC., Rectifier Div., 620 E. Dyer provements / Ca Ss(20) Me(1942) ICMc Rd., Santa Ana, Calif. / KImberly 5-8241 / *C 58 Frank Federici, Director / Lester G. Stine, Partner Silicon rectifiers / RMSa Ms(100) Se(1957) Ie Automation Progress, 9 Eden St., London N.W. 1, G. Eannarind, VP England / Euston 5911 / *C 58 Audio Instrument Co., Inc., 133 West 14 St., New York Technical magazine on all aspects of automatic pro­ 11, N.Y. / ORegon 5-7820 / *C 58 duction and control Analog time delay devices, magnetic; logarithmic Automation Research & Design Associates, 135 Main St., converters / RMSa Ss (9) Se (1949) Ic Belleville 9, N.J. / PLymouth 9-5812 / *C 58 The Austin Co., Special Devices Division, 76 9th Ave., Consultants, designers, of servomechanisms, meas­ New York' 11, N.Y. / Watkins 4-3630 / *C 57 uring and recording systems, telemetering systems, Special purpose automatic control systems for lab­ analog computers, digital computers / DAlc oratory, industrial, and military purposes; analog, AUTONETICS, DIV. OF NORTH AMERICAN AV­ digital, data-handling, servo, electronic, electrome­ IATION, INC., 9150 E. Imperial Highway, Downey, chanical. Shaft position indicators and systems / Calif. / LUdlow 3-6111 / *C 58 Ms (division, 150, company 25,000) Me (division, Inertial navigation systems, armament and flight 1943; company, 1878) DASCMc RMSa control systems. Automatic control equipment; Automatic Control, 430 Park Ave., New York 22, N.Y. printed circuits; analog and digital computers; data / MU 8-8600 / *C 58 recording equipment; differential analyzers; mag­ Monthly publication on automatic control and re­ netic disc memory; fire control equipment; mag­ related subjects / Ss (20) Se (1954) Ie netic tape recorders / RMSa Ls(6000) Se(1955) DAlc AUTOMATIC ELECTRIC CO., Nordllake, Ill. / Fill- J. R. Moore, VP & Gen. Mgr. / S. W. Horrocks, more 5-7111 / *C 58 Asst. Gen. Mgr. Rotary stepping switches and telephone-type relays A VCO MFG. CORP., RESEARCH AND ADVANCED for industrial control, telephone systems, etc. / DEVELOPMENT DIV., 20 S. Union St., Lawrence, RMSa Ls(8000) Le(1891) Ic Mass. / MUrdock 8-6011 / *C 58 H. F. Lello, Pres. / V. E. James, Sales Mgr. Digital computers; logical, plug-in, potted, printed Automatic Manufacturing Div., General Instrument circuits; computer input-output equipment; mag­ Corp. - see General Instrument Corp., Automatic netic reading and recording heads; environmental Manufacturing Div. test equipment; sorting and counting controls; AUTOMATIC OFFICE CONSULTANT, INC., 5057 data recording cameras and equipment; communi­ Woodward Ave., Detroit 2, Mich. / TE 3-3454/ *C 58 cations systems, fire control equipment; magnetic Publishing ("The Automatic Office - A Monthly tape readers and recorders / RMSCa Ls(2200) Se Management Report") / Ss(8) Se(1958) Ie (1955) DIe E. F. Murphy, Editor Lloyd P. Smith, Pres. / R. D. Davis, Mgr.-Market­ Automatic Signal Division, Eastern Industries, Inc., Nor­ ing walk, Conn. / Temple 8-4791 / *C A vion Division, ACF Industries, Inc., 11 Park Place, Automatic volume-density traffic controllers; digi- Paramus, N.J. / ~Olfax 1-4100 / *C 58 [ 16 ] @@Iif~: lF~~ =§'\"t§if@fM) For digital-.computer input/output AmpelC offers 45,000 to 90,OOO~'cna,r-actIBr::' 14

For high-speed computer input and output, mag­ netic tape is the answer - and Ampex offers the fastest equipment of all. Just for sport, this Ampex FR-300 could "read" or "write" the digitized equivalent of an average 500-page book in just 13 seconds. Or it could AMplEX go through the equal of that whole man-sized stack in less than five minutes. . But the real' point is that these fast input/output rates are needed. They set the pace that determines computer productivity. Incorporating Ampex Digital Tape Systems for these functions will speed up your whole digital-computer package. Spectacular? Im­ pressive? Yes, but speed is also a tangible and con­ clusive advantage in the sale of your equipment. TO GIVE YOU THIS GREATER SPEED The Ampex FR-300 Tape Handler operates at 150 inches per second, a two-to-one advantage over pre- '·vious standards. It packs 300 bits per inch onto the tape. And FR-300 handlers are available for one-inch tape affording the very practical possibility of put­ ting two 6-bit alpha-numeric characters side by side across the greater width. To get high performance, Ampex has taken a systems approach, designing the tape handler, magnetic heads, amplifiers and the magnetic tape as an integrated whole.

Ampex transfer rates in characters per second

150 In/sec. tape speed; 300 olts/lnch; two 90,000 6-bltcharacters side byslde on1-lnch tape.

60,000 Same as above except 200 bits/Inch.

150 In/sec. tape speed; 300 bits/Inch; one 45,000 6-blt character across half-Inch tape.

30,000 Same as above except 200 bits/InCh. Lowertransfer rates are available from a wide range of slower tape speeds available on Ampex tape handlers.

DEPENDABILITY, TOO, PROVED IN 50-MILLION STARTS AND STOPS Though the transfer rates accomplished by the Ampex Digital System are faster than any available before, our engineers have evolved mechanical and electrical design details that make this an easy pace. During development, the most critical of these parts were subjected to as many as 50-million start-stop cycles. This would be a normal year of heavy-duty operation. By drastically reducing downtime expec­ tancy from tape-handler problems, Ampex has con­ tributed still another factor toward increased com­ puter work per day. A TECHNICAL HEADSTART YOU CAN PUT ON YOUR SIDE This is magnetic-tape equipment - our specialty. In buying from Ampex, you are "hiring" the very best existing experience and manpower in this field. Behind the Ampex 90,000-bit transfer rate, there are engineering skills and manufacturing techniques ac­ cumulated in ten years of specialized effort. This equipment is in production-ready today to give you a competitive advantage-so why divert your own best brains from other critical aspects of computer design? For full description and specifications, write Dept. ,,'

AMPEX JNSTRU MENTATION DIVISION 4 seo CHA.RiE·R STREET ~ R~DW90D: CfTV;,CALIFORNIA Data processing equipment, encoders, decoders, vices, electronic integrators and multipliers, plot­ printed circuits, magnetic components, power sup­ ters, potentiometers, resolvers, scanners, translating plie~, packaged computer circuits, plug-in circuits, equipment / RMSCa Ls(500) Me(1946) Ac analog and digital computers, digital to analog con­ R. M. Ward, Div. Mgr. / K. E. Sterne, Computer verters, automatic controls, sorting and counting Sales Mgr. controls, facsimile equipment, fire control equip­ Beckman Instruments Inc., Systems Div., 321 No. Muller ment, input-output devices, electronic and mechani­ Ave., Anaheim, Calif. / Prospect 4-5430 / *C 58 cal integrators, regulated power supplies, character Multi-channel digital data processing, computing, readers, and visual output devices / RMSa Ms (475) and recording systems, automatic process control Me(1946) DACc systems, data reduction systems, DC amplifiers, dig­ Avion Division-Alexandria (formerly ACF Electronics), ital-to-analog converters, analog-to-digital convert­ Div. of ACF Industries, Inc., 800 No. Pitt St., Alex· ers, amplifiers, plug-in circuits, electronic counters, andria, Va. / King 8-4900 / *C counters / RMSa Ms (300) Se (1955) DAc Analog-to-digital encoders, and digital-to-analog de­ Bell Punch Co., Ltd., 39 St. James St., London, S.W. coders / Ms(177) Se(1954) DAc RMSa 1, England / Hyde Park 1532 / *C 56 Avion Division of ACF, Erco Div., P.O. Box-209, Hyat­ Small digital computers / LS(2000) Le(1878) Dc tsville, Md. RMSa Analog computers / Ac RMSa Bell Telephone Laboratories, Murray Hill, N.J. / SUm­ mit 6-6000 / and 463 West St., New York 14, N.Y. B / CHelsea 3-1000 / *C 58 Automatic switching. Bell general purpose compu­ Babcock Radio Engineering, Inc., 1640- Monrovia Ave., ters (relay and electronic, digital and analog) for P.O. Box 344, Costa Mesa, Calif. / Liberty 8-7705 / government use and company's own use / Ra Ls *C 58 (10,000) Le(1925) DAc Guidance control systems, relays, signal generators, receivers, decoders, etc. / RMSCa Ms (151) Se (1948) BENDIX AVIATION CORP., Bendix Computer Div., Ic 5630 Arbor Vitae St., Los Angeles 45 ,Calif. / ORegon Baird-Atomic Co., 33 University Rd., Cambridge 38, 8-6262 / *C 58 Mass. / UNiversity 4-0101 / *C 58 G-15 general purpose digital computer and acces­ Spectrochemical, electronic and radioisotope instru­ sories, including small-size low-cost digital differ­ mentation for analysis and control; electronic tubes, ential analyzers, punched card adapter, magnetic proportional counters, electronic counters, sorting tape recorders and readers, plotters, missile flight and counting controls, scientific instruments, analog simulator, analog computer, digital computing serv­ devices, servo-mechanisms, transistors, analog-to-dig­ ices, computing converter, data processing and re­ ital converters, printers, computer components / cording equipment, input-output devices, memory RMSa Ms(365) Me(1934) Ie systems, punch cards, office machines, photoelectric Ballastran Corp., 1701 N. Calhoun St., Fort Wayne 7, and punch card readers / RMSa Ms(400) Se(1952) Ind. / E-2286 / *C 58 DIe Pulse transformers / RMSCa MS(150) Me(1946) M. W. Horrell, Gen'l Mgr. / O. P. Staderman, Dir. Ic of Mktg. Bank of America National Trust and Savings Associa­ Bendix Aviation Corp., Eclipse Pioneer Div., Teterboro, tion, Controllers Dept., Systems and Equipment Re­ N.J. / ATlas ~-2000 / *C 58 search Section, 500 Howard St., San Francisco, Synchros, servo motors and motor generators, gyros, Calif. / *C 57 and related components for servomechanisms; mag­ Digital computing service, with IBM 702 automatic netic amplifiers, analog and digital computers, auto­ digital computer / Ss Se Dc CPa matic controls, analog-to-digital converters, mag-' Barker & Williamson, Inc., 237 Fairfield Ave., Upper netic drums, mechanical and electronic integrators, Darby, Pa. resolvers / RMSa Ls(7000) Le(1919) DAle Facsimile equipment; transmitting equipment; de­ Bendix Aviation Corp., Pacific Division, 11600 Sherman lay lines / Ie RMSa Way, Hollywood, Calif. / - / *C Battelle Memorial Institute, 505 King Ave., Columbus Telemetering systems. Digital systems, controls, 1, Ohio / AX 9-3191 / *C 58 and components. Analog-to-digital converters / Ls Research and development in all fields of the physi­ (2500) Le (1915, company; 1937, this division) Ie cal sciences; computer programming assistance; dig­ RMSa ital computing and consulting services / RCa Ls Bendix Aviation Corp., Research Laboratories Div., P.O. (2500) Me (1929) DAle Box 5115, Detroit 35, Mich. / KEnwood 7-3300 / BECKMAN INSTRUMENTS INC., BERKELEY DIV., *C 58 2200 Wright Ave., Richmond 3, Calif. / LAndscape Analog and digital computers, - numerically con­ 6-7730 / *C 58 trolled machine tools, dynamic data plotting sys­ Analog computers ranging from standard models to tems, servomechanisms, "Data Logging Systems," special purpose units including completely automatic amplifiers, automatic control equipment, plug-in punched tape setup systems with automatic scan­ circuits, computer components, automatic controls, ning and printed readout. Amplifiers, computer silicon diodes, electronic and mechanical integrators, components, electronic generators, input-output de- electronic and servo multipliers, patch cords, semi-

[ 18] conductors, simulators, telemetering systems, trans­ Management consultants; complete service in appli­ istors / Ra Ls (505) Me(1942) DASCc cations of integrated and electronic data processing Benge Associates, McIntyre Bldg., Spruce and College to management control systems in business, indus­ Sts., Asheville, N.C. / Asheville 2-0852 / *C try, and government / Ms (450) Le (1914) DAICc Management engineers; applications of electronic RCPa data processing to office procedures; costs, analysis George W. Borg Corp., Borg Equipment Div., 120 S. of clerical routines leading to programming / Ss Main St., Janesville, Wisc. Me (1939) Cc RCPa Potentiometers / Ie RMSa Benson-Lehner Corp., 11930 W. Olympic Blvd., Los Borg-Warner Corporation - SEE BJ Electronics Angeles 64, Calif. / BR 2-3484, GR 9-3723 / *C 58 BOURNS LABORATORIES, INC., P.O. Box 2112 Data processing and translating equipment, record­ (6135 Magnolia Ave.), Riverside, Calif. / Overland ing readers (oscillograph, film, etc.) data storage 4-1700 / :::C 58 and retrieval machines, and data display devices Adjustment potentiometers; potentiometer trans­ including graph plotters and computer input-output ducers for linear motion, pressure, acceleration; display machines, plotting boards, data recording TRIMPOT, TRIM IT, and potentiometer instru­ cameras; analog-to-digital, digital-to-analog con­ ments; resistors / RMSa Ms(500) Se(1946) Ic verters, counters, inventory and memory systems, D. P. Vaughan, Sales Mgr., TRIMPOT Sales Div. electric controlled typewriters / RMSCa Ms (200) / E. J. Goeppinger, Sales Mgr., Instrument Sales Se(1950) DAc Div. Bergen Laboratories, 11 Goodwin Ave., Fairlawn, N.J. BOWLES, ANDREWS & TOWNE, INC., 1389 Peach- Automatic control equipment, magnetic tape record­ tree St., NE, Atlanta 9, Ga. / TR 5-7421 / *C 58 ing equipment / Se ICc RMSa Consulting actuaries and insurance company man­ Berkeley Div., Beckman Instruments, Inc. - see Beckman agement consultants; IBM 650 electronic data-proc­ Instruments, Inc., Berkeley Div. essing and computing service / Ca Ms ( 60) Se EDMUND C. BERKELEY AND ASSOCIATES, 815 (1948) Ie \XTashington St., Newtonville 60, Mass. / DEcatur T. P. Bowles, Jr., Part. & Actuary / R. J. Towne, 2-5453 or 2-3928 / :::C 58 Part. & Actuary Courses by mail in automatic computing machinery, BOWMAR INSTRUMENT CORPORATION, 8000 mathematics, and other scientific subjects / Ss(3) Bluffton Rd., Fort Wayne, Indiana / HArrison 2351 Se(1948) Dc PCa (affiliated with Berkeley Enter­ / *C 58 prises, Inc.) Precision speed reducers and gear heads, precision servo motor gear heads, precision electromechanical BERKELEY ENTERPRISES, INC., 815 Washington components, precision electrical and mechanical St., Newtonville 60, Mass. / DEcatur 2-5453 or 2-3928 / :::C 58 counters including navigational BuOrd Angle, in­ ternal pinion type counters; designing of foregoing Small robots; robot show-stoppers; Relay Moe (tit­ and of electromechanical servomechanisms and elec­ tat-toe machine). Electric brain construction kit for tromechanical computer subsyste~s, aircraft indi­ educational purposes, Brainiac, Geniac, Tyniac. cators and electromechanical components / RMSa Publisher of "Computers and Automation" and Ms(230) Se(1951) Ic other publications / Ss(6) Se(1954) Dc RMSa Edward A. White, Pres. / George F. McCarthy, (Affiliated with Edmund C. Berkeley & Associates) Gen. Sales Mgr. / Edmund C. Berkeley, Pres. Bowser, Inc., 33 No. LaSalle St., Chicago, Ill. / Andover Berkshire Laboratories, 732 Bank Village, Greenville, 3-4322 / and subsidiaries / *c N.H. / Greenville 111 / *C Electro-mechanical file card selectors. Computing Special computer components / Ss Se(1949) lAc liquid flow meters, mechanical, and electronic. RMCa Blenders and pro portioners for automation of liquid Bill Jack Scientific Instrument Co. - see Jack under J process plants; liquid controls; money-meter ma­ Birkback College, Dept. of Numerical Automation, Uni­ chines; many other products / Ls (4000) Le (1885) versity of London, Malet St., London W.c. 1, England Ic RCMSa t. LANgham 7941 / *C 58 Bradley Laboratories, Inc., 168 Columbus Ave., New Digital and analog computers, machine translation Haven 11, Conn. / MAin 4-3123 / *C 58 of language, input-output numerical analysis / RCa Selenium rectifiers, copper o~ide meter rectifiers, SS(20) Me(1946) DAle silicon selenium and copper oxide diodes, modu­ BJ Electronics, Borg-Warner Corp., P.O. Box 1679, lators, limiters, arc suppressors, D.C. power sup­ 3300 Newport, Santa Anna, Calif. / Ki 5-5581 / *C 57 plies / RMSa Ms(75) Me(1939) Ie Digital data systems, "vibrotron" transducers, mem­ Brender & Brender, Inc., P.O. Box 712, 35449 Annap­ ory drums, shaft position digitizers / Ms (450) Me olis St., Wayne, Mich. / PArkway 2-0515 / *C 58 (this division, 1944; company, 1910) Die RMSCa Digital computer service: data processing and Boeing Airplane Co., Industrial Products Division­ programming for civil engineers using LGP-30 their Electronic Analog Computer has been trans­ Richard D. Brew and Company, Inc., 90 Airport Rd., ferred to Western Electronic Supply Co., which see. Concord, N.H. / Capitol 5-6606 / *C Booz, Allen and Hamilton, 135 South LaSalle St., Chi­ Distributed constant, lumped constant and ultra­ cago 3, Ill. and other cities / Financial 6-1900 (each sonic delay lines / Ss(36) Me(1939) Ic RMSa . city) / *C 57 Brick Electronic Equipment Co., Norwood, N.J.

[ 19 ] Facsimile equipment; receiving and transmitting; system (Univacs), by commercial punch-card equip­ sensitized paper / Ss Se Ie RMSa ment, and by special machines designed and built THE BRISTOL COMPANY, P.O. Box 1790 CAG, for own use / Ms (400 in electronic and mechanical Waterbury 20, Conn. / PLaza 6-4451 / *C 58 processing primary organization units) Le (1890 in Electronic and potentiometric recording, indicating, punch card field) Dc RCPGa controlling, signalling; alarm and telemetering in­ Burlingame Associates, Ltd., 510 South Fulton Ave., Mt. struments for standard and special functions; com­ Vernon, N.Y. / Mt. Vernon 4-7530 / *C 58 ponents including choppers, high speed relays, Analog computers, computing accessories, X-Y capsular elements, remote positioners, pressure plotters, multichannel recorders, digital voltmeters, switches and transducers; miniature standard and card-to-tape converters, magnetic shift registers, special socket screws; recording papers / RMSa magnetic storage systems, high speed digital dis­ Ls(over 1000) Le(1889) Ie play / Sa Ss(30) Me(1928) DAle W. H. Faith, Pres. / G. P. Lonergan, Mgr. Sales Burndy Corp., Omaton Div., Norwalk, Conn.! TEmple Promotion 8-4711 / *C 58 The British Tabulating Machine Co., Ltd., 17 Park Lane, Electronic and electrical connectors and components London, W. 1, England / *C 58 for the fields: computers, electronics, aircraft, mis­ Punched card equipment and electronic digital siles, government. Also related compression-type computers, card to paper tape converters, paper installation tooling for solderless connectors, term­ tape to card converters, data processing and record­ inals / RMSa Ls (1800) Le (1924) Ic ing equipment, magnetic drums, input-output de­ Burroughs Corp., 6071 Second Ave., Detroit, Mich. / vices, memory systems, office machines, line-a-time Triangle 5~2260 / and elsewhere / *C and high speed printers, magnetic card paper tape Automatic electronic digital computers, UDEC, and punch card readers, magnetic tape filing sys­ E10l. Adding machines, bookkeeping machines, tems, readers, and recorders, paper tape / RMSa etc. Electronic digital test computers. Fast access Ls (8000) Le (1908) DSIc magnetic core memory. Pulse control components, Brown University, Div. of Applied Mathematics, Provi­ servomechanisms, etc. / Ls (19,000) Le (1896) DSc dence 12, R.I. / UN 1-2900 / *C 58 RMSPa Computing service, instruction, research / RCa Ss BURROUGHS CORP., ELECTRO DATA DIVISION, Se(1956) Ie 460 Sierra Madre Villa, Pasadena, Calif. / RYan Brush Instruments, Div. of Clevite Corp., 3405 Perkins 1-0471 / *C 58 Ave., Cleveland 14, Ohio - no longer in field of com­ Burroughs Datatron 205 and 220 electronic data puters or computer components processing systems and digital compute.r compo­ Bryant Chucking Grinder Co. - see Bryant Gage and nents; Burroughs E101 desk-size electronic digital Spindle Division computer; Cardatron punched card input-output BRYANT GAGE AND SPINDLE DIVISION, a divi­ system; card to paper tape conversion equipment; sion of Bryant Chucking Grinder Co., Box 620, Datafile magnetic tape storage system; digital com­ Springfield, Vermont / TUrner 5-2141 I. *C 58 puting service; tape handlers, keyboards, magnetic Magnetic memory systems, with speeds to 200,000 tape filing systems and tape recorders, paper tape RPM, capacities to 120 million bits; magnetic drum, punches. Twenty-three regional, district, and sub­ disc and storage systems; precision electromechani­ district offices in U.S. and Canada / RMSCa Ls cal devices, high speed motors, delay lines, tape (1600) Se(1954) Dc transports, magnetic reading and recording heads; J. R. Bradburn, VP and Gen. Mgr. / E. S. McCol­ internal grinders; computer components / RMSa lister, Dir. of Mktg. Ms(250) Le(1909) Ic Burroughs Corp., Electronic Instruments Division, 1209 J. E. Smith, Gen. Mgr. / P. L. Smith, Sales Mgr. Vine St., Philadelphia, Pa. - department closed; SEE Bull S. A. Compagnie des Machines, 94 Avenue Gam- other Burroughs Corp. entries betta, Paris 20e, France / MEN 8158 / *C Burroughs Corp., Electronic Tube Div., P.O. Box 1226, Punch card machines. Commercial electronic com­ Plainfield, N.J. / PLainfield 6-0876 / *C 58 puters and card-programmed scientific computers / High speed electronic switching tubes and indicat­ LS(2500) Me(1931) Dc RMSa ing devices, pulse control instruments, digital-to­ J. H. BUNNELL &. CO., 81 Prospect St., Brooklyn 1, analo g converters, electronic counters, visual output N.Y. / ULster 8-0100 / *C 58 devices / RMSa MS(150) Se(1954) Ie Tape winders, for teletype operations and high BURROUGHS CORP. RESEARCH CENTER, Route speed operation; communication devices and acces­ 202 and Central Ave., Paoli, Pa. / Paoli 4700 / *C 58 sories for the communications field; custom fabri­ Business machines and data processing equipment cation and assembly of electro-mechanical and elec­ research and development, relating to the corpora­ tronic assemblies; data recording equipment; me­ tion's basic interest in computation and data proces­ chanical, magnetic tape, and paper tape readers· / sing, and seeking new and improved methods of RMSa Ms(70) Le(1878) Ie storing, manipulating, recording, and reading data. J. S. Finnigan, Vice Pres. & Gen'l Mgr. / C. N. Assignments in product development / Ra Ls Shlenker, Cont. Admin. (1800) Se(1949) Dc Bureau of the Census, Washington 25, D.C. / *C Dr. lrven Travis, Vice Pres., Res. and Engineering / Statistical data processing by electronic computing R. V. D. Campbell, Deputy Director) Res. Ctr. [20 ] Speed routine calculations-increase creative time with this powerful electronic computer ROYAL PRECISION LGP·30

Large capacity ... easily programmed of sub-routines, plus programs for a wide variety of applications, is available. and operated ... mobile ... low in cost Wide range of applications. In addition to general design Compact, simple to use, Royal Precision LGP-30 will and system optimization, LGP-30 is currently being today bring high-speed computation right to your desk used for the refinement of estimates; computation of ... thus relieve you of the tedium of standard hand design parameters; specification of new product prop­ calculations ... increase available time for truly cre- erties and capabilities; calculation of such data as ative work ... help you simulate optimum designs in a reactance, load saturation curves, time constants, har­ matter of minutes. And at the lowest cost ever for a monics, torque-speed and vee curves. complete computer system! Exceptional value; complete service. Smallest initial in­ Unusual capacity. Operating from a standard wall outlet, vestment ever for a complete computer system is com­ performing an almost unlimited range of calculations, bined with low operating and maintenance costs. Service LGP-30 gives you the flexibility of stored-program facilities coast-to-coast. operation combined with speed, memory (4096 words) and capacity equal to computers many times its size and For further information and specifications, write Royal cost. Completely mobile, LGP-30 is easily wheeled from McBee Corporation, Data Processing Division, Port room to room, building to building. Chester, N. Y. Simple to operate and program. LGP-30 controls have been so thoroughly simplified that it may be operated with only minimum computer experience. Direct print-out of ROYAL MCBEE answers - no deciphering required. Programming is WORLD'S LARGEST MANUFACTURER OF TYPEWRITERS easily learned-even by non-technical personnel. Library AND MAKERS OF DATA PROCESSING EOUIPMENT

[ 21 J BUSINESS ELECTRONICS, INC., 420 Market St., San Numerical analysis using digital computers / Ss (35) Francisco 11, Calif. / 'DOuglas 2-0894 / *C 58 Se(1948) Dc RGa Home study courses in programming for computers) Carnegie Institute of Technology, Schenley Park, Pitts­ and applications of business problems to computers burgh 13, Pa. / MAyflower 1-2600 / *C 58 / Ss Se(1955) DIe RCPa Computing service using IBM 650 and 405 / RCa Byron Jackson Division - SEE BJ Electronics, Borg­ LS(1300) Le(1905) Dc Warner Corp. Carstedt Research, Inc., 2501 E. 68th St., Long Beach 5, Calif. / ME-05821 / *C 58 C Magnetic cores / RMSa Ms(115) Se(1951) Ie California Computer Products, 3927 W. Jefferson Blvd., CBS-HYTRON, a Div. of CO.lurnbia Broadcasting Sys­ Los Angeles 16, Calif. / REpublic 5-8355 / *C 58 tem, Inc., 100 Endicott St., Danvers, Mass. / SPring Digital X-Y recorder, plotting boards, regulated 4-2360 / *C 58 power supply / RMSa Ss Se (1951) ICc Electron tubes, semiconductor products. Germanium California Technical Industries, Div. of Textron, Inc., and silicon transistors, diodes / RMSa Ls(5000) 1421 Old County Rd., Belmont, Calif. / LYtell 3-8466 Le(1921) Ie / *C 58 Arthur L. Chapman, Pres. / John Q. Adams, Vice­ Automatic production test equipment, cable as­ Pres., Sales semblies, computer test equipment, paper tape and Celco (Constantine Engineering Laboratories Co.), 70 magnetic tape readers, paper tape punches / RMSa Island Ave., Mahwah, N.J. / DAvis 7-1123 / *C 58 Ms(115) Se(1946) Ic Precision deflection yokes, magnetic amplifiers, CALVERT ELECTRONICS, INC., 536 Broadway, New pulse transformers, computer type coils, toroidal York 12, N.Y. / CAnal 6-7400 / *C 58 windings / RMSa Ms(125) Se(1950) Ie Radio and electronic tubes and components; ger­ Centralab (Div. of Globe Union), 900 E. Keefe Ave., manium and silicon transistors; resistors. Whole­ Milwaukee, Wis. / WO 2-9200 / *C 58 sale distributors / Sa Ss(18) Se(1948) Ie Electronic components: switches, capacitors, pack­ CAMBRIDGE THERMIONIC CORPORATION, 445 aged electronic circuits, computer circuits (plug­ Concord Ave., Cambridge 38, Mass. / TRowbridge in, potted, printed), transistor amplifiers, variable 6-2800 / *C 58 resistors, switches / Sa Ls(5000) Me(1936) Ic Miniature and sub-miniature plugs and strip type Centro nix Inc., 34 Oleander St., Cocoa, Fla. / 2040 / plotting boards, jacks; gold, silver and other fini5h *C 58 terminals; terminal boards; connectors, press mount Electronic and electromechanical instrumentation; and spring loaded diode clips; jacks, panels, and magnetic amplifiers, data recording cameras and chassis hardware; insulated terminals; coil forms equipment, plug-in, potted and printed circuits, and coils; capacitors / RMSCa Ms(200) Me(1940) analog and digital computers, analog-to-digital con­ Ic verters, te1emetering systems / RMSCa Ms (85) Se Lowell Wilkes, Sales Mgr. / W. A. Melanson, Chief (1953) Ie Engr. Century Electronics & Instruments, Inc., 1333 N. Utica, Cambridge University, Mathematical Laboratory - see Tulsa 10, Okla. / LU 4-7111 / *C58 University of Cambridge, University Mathematical Multi-channel recording oscillographs of direct Laboratory. writing, electrophotographic, and conventional Canadian Applied Research Ltd., 1500 O'Connor Dr., photographic types;, vibration and stress analysis Toronto 16, Can. / PLymouth 9-2241 / *C 58 systems; data recording equipment and cameras; Instrumentation equipment using electronics, me­ input-output devices; galvanometers / RMSa Ms chanics, optics for application in fields of aviation, (125) Me(1945) Ic photography, aerial survey; magnetic amplifiers, Century Engineers, Inc., 2741 N. Naomi St., Burbank, cable assemblies, data recording cameras, analog Calif. computers, computer test equipment, automatic con­ Analog-to-digital converters; analog & digital com­ trols, fire control equipment, geophysical apparatus, puters; data processing / DAle RMSa mechanical integrators, synchros, tachometers / Century Geophysical Corp., 1333 N. Utica, Tulsa, Okla. RMSCa Ms(420) Se(1951) ACIe Data processing. See Century Electronics and In­ Canadian Westinghouse Co., Ltd., Electronics Div., P.O. struments, Inc. Box 510, Hamilton, Canada / JA 8-3461 / *C 58 C G Electronics Corp., 15000 Central, E., Albuquerque, Computation center for company use and outside New Mexico / ALpine 6-9858 / *C 58 customers; analog memory devices; electronic trans­ Digital data acquisition and reduction systems, data formers; rectifiers; transistors; magnetic amplifiers; reduction services, digital telemetry systems. Plug­ semiconductors / RMSCa ?s ?e Ale in, potted, printed circuits, analog and digital com­ Canning, Sisson & Assoc., 1140 S. Robertson Blvd., Los puters; digital computing services; consulting serv­ Angeles 35, Calif. / BRadshaw 2-8425 / *C 58 ices; geophysical apparatus, information retrieval Consultants in design and installation of electronic devices, input-output devices, electronic integrators, data processing business systems. ·Publishers of inventory systems, memory systems, translating "Data Processing Digest" / Ca. Ss (5) Se (1954) Ie equipment, visual output devices / RMSCa Ms (95) Carbide and Carbon Chemicals Company-AEC, Numeri­ Se(1954) DAle . cal Analysis Department, P.O. Box P, Oak Ridge, Chadwick-Helmuth Co., 472 E. Duarte Rd., Monrovia, Tenn. / LD-220, X8671 / *C Calif. / ELiott 8-4567 / *C 58

[22 J ••• A record six-year period of continuous computer. tube operation ••• by General Electric 5844'5, the industry's first computer tube!

FEW well-planned tests are discontinued be- computer tubes in actual service, the manufacturer cause they have become pointless. This one was reports a failure rate that is equally low-approx­ -after nearly six years. A large computer manufac­ imately 0.2 percent per 1,000 hours. turer placed.General Electric 5844 twin triodes on Look to tubes for proved dependability! Reli­ continuous life test under actual operating condi­ able long-life performance is a feature of all tions. After 50,000 hours the test was terminated nine General Electric specially-designed computer ..• because tube failures (a small fraction of 1 types. For your military or commercial 'needs, percent per thousand hours) were too few to specify from the list that follows! Additional facts warrant further statistical recording. are available from any office of the G-E Receiving From more than a million General Electric 5844 Tube Department listed below.

DESIGN-MAXIMUM HEATER DC CATHODE DESIGN-MAXI MU M TYPICAL COMPUTER CLASSIFICATION CURRENT IN ma, PLATE DISSIPATION TUBE TYPE CURRENT PER PER PLATE, IN WATTS APPLICATION I I AT Ef =6.3 v I SECTION, IN ma I I 5844 Twin triode 300 10 1.0 Medium-speed counter 5965 Twin triode 450 15 2.2 High-speed counter or 4.0 (a) amplifier 6211 Twin triode 300 14 1.4 Medium-speed counter 6414***** Twin triode 450 17 2.0 High-speed counter or 3.6 (a) amplifier 6463 Twin triode 600 30 4.0 High-speed counter, 7.0 (a) amplifier, or core-driver 6525 Thyratron 150 Peak 60, Avg 20 ... Gate or relay-driver 6829***** Twin triode 450 20 2.2 High-speed counter or 4.0 (a) amplifier 6919 Twin diode 200 3.0 (b) ... Gate or clamp 7036 Heptode 300 16 0.75 High-speed gate ---"""" ***** 5-Star high-reliability tube. (a) Total both plates. (6829 is built to a MIL spec.) (b) Maximum DC output current per plate.

EASTERN REGION CENTRAL REGION WESTERN REGION 200 Main Avenue, Clifton, New Jersey 3800 North Milwaukee Avenue 11840 West Olympic Boulevard Phones: (Clifton) GRegory 3-6387 Chicago 41, Illinois Los Angeles 64, California (N.Y.C.) Wisconsin 7-4065, 6, 7, 8 Phone: SPring 7-1600 Phones: GRanite 9-7765; BRadshaw 2-8566 GENERAL. ELECTRt~ Electronic multiplier for use with analog computers Columbia Broadcasting System, Inc. - SEE CBS-Hytron I RMSa Ss(5) Se(1954) Ac Division Chrono-Iog Corp., P.O. Box 4587, Philadelphia 31, Pa. Columbia Technical Corp., 61-02 31st Ave., Woodside I LOcust 7-5178 I *C 58 77, N.Y. I AStoria 8-7401 I *c 58 Electro-mechanical devices in the digital field; digi­ Delay lines I RMSCa Ss (30) Se(1950) Ie tal clocks, calendars, displays; programming de­ Columbian Carbon Co., Mopico Color Div., 601 Cass vices, mechanical counters, input-output devices, St., Trenton 10, N.J. visual output devices I RMSa Ss (5) Se (1956) Dc Magnetic cores I Ic RMSa Comar Electric Co., 3349 Addison St., Chicago 18, Ill. I Cinch Manufacturing Corp., 1026 S. Homan Avenue, JUniper 8-2410 I *C 58 Chicago 24, Ill. I - I *C - Relays, including hermetically sealed and sub-minia­ Components for computers; tube sockets, connec­ ture, solenoids, coils and switches I RMSa Ms (450) tors, printed wiring boards, terminal boards, etc. I Me(1942) Ie Ls (1400) Le (1924) Ie RMSCa Commercial Controls Corp. - merged with Friden, Inc., CIRCUIT ENGINEERING, 66 Wesdand, Weston 93, which see.- Mass. I TWinbrook 4-6071 I *C 58 Commonwealth Scientific and Industrial Organization, Consultants.. Transistor, magnetic, electronic, con­ Radiophysics Division, Sydney, New South Wales, ductive, and other information handling circuits I Australia Ca Ss Se(1954) Ie Maker of CSIRO Mark I electronic digital com­ Norman B. Saunders puter of Inst. for Advanced Study type I DAc C. P. CLARE & CO., 3101 Pratt Blvd., Chicago 45, Ill. RCGPa AMbassador 2-7700 I *C 58 -COMPTOMETER CORP., 1735 No. Paulina St., Chi- Relays, stepping switches, lever keys, push keys, cago 22, Ill. / Brunswick 8-5000 I *C 58 turn keys, wired assemblies I RMSa Ls(965) Me Comptometer adding-calculating key driven mach­ (1937) Ie ines; electric calculating-adding machines; Comp­ C. P. Clare, Pres. I D. R. Dooley, VP in charge of tometer dictating and transcribing machines; input­ sales output devices; UComptoTape" programmed data­ Clarkson Press, Inc., 189 Van Rensselaer St., Buffalo 10, preparing and verifying machines with automatic N.Y. I MAdison 5101 I *C 58 tape punching units I RMSa Ls( 1200) Le( 1886) Ie Continuous tabulating forms, computer read-out J. D. Seick, Sales Mgr. I L. T. Carr, Gen. Sales paper, high speed printer forms I RMSa Ms (90) Mgr. . Me(1947) Ie COMPTRON CORP., 778 Pleasant St., Belmont 79, Clarostat Mfg. Co., Inc., Dover, N.H. / SHerwood Mass. I IV 4-8954 I *C 58 2-1120 I *C 58 Transistorized computer components; amplifiers, Electronic components; potentiometers, resistors, logical, plug-in, printed circuits; consulting serv­ switches I RMSa Ls(1000) Le(1921) Ic ices; controls, electronic counters, power supplies, shift registers I RMCSa Ss(6) Se(1956) Die Clary Corp., 408 Junipero St., San Gabriel, Calif. I W. S. Macdonald, Pres. & Treas. I D. B. Macdon­ CU 3-2724 I *C 58 ald, Clerk Electronic computing and data-processing equip­ Computer Company of America - apparently no longer ment; adding machines and desk calculators, digital in business computers, keyboard printers, scanners, paper-tape Computer Control Co., 92 Broad St., Wellesley 57, punches I RMSa Ls (1200) Me (1939) DIe Mass. I CEdar 5-6220 I also 2251 Barry Ave., Los Clevite Transistor Products, 241 Crescent St., Waltham, Angeles 64, Calif. I *C 58 Mass. I TWinbrook 4-9330 I *C 58 Special purpose data processing systems; packaged Power germanium transistors, cartridge diodes logical computing circuits (plug-in digital mod­ (plastic), subminiature glass diodes (ger~anium, ules) , control and instrumentation systems, inven­ silicon, germanium silicon alloy) I RMSa Ls (700) tory systems, magnetic storage devices I RMSCa Se(1952) Ic MS(110) Se(1953) Dlc Coi1craft, Inc., Cary, Ill. I MErcury 9-2361 I *C 58 Computer Engineering Associates, Inc., 350 N. Halstead Inductance coils, delay lines, pulse transformers, Ave., Pasadena, Calif. I RYan 1-9323 I *C 58 molded chokes, computer components I RMSCa Direct analog computer design; computer service Ms(400) Me(1944) Ie center and consulting services; communications sys­ Coleman Engineering Co., 3500 Torrance Blvd., Tor- tems, computer test equipment, delay lines, elec­ rance, Calif. I TE 0-6931 I *C 58 tronic generators, integrators and multipliers; am­ Data recording, reduction, and processing systems. plifiers, capacitors, simulators, input-output devices Data recording cameras, automatic control equip­ I RMSCa Ms(75) Se(1952) AIe ment, telemetering systems; digital-to-analog and Computer Instruments Corp., 92 Madison Ave., Hemp­ analog-to-digital converters I RMSCa Ms (300) Se stead, L.1., N.Y. (1950) DAle Precision potentiometers I Ic RMSa Collins Radio Co., 315 2nd Ave. S.E., Cedar Rapids, Computer-Measurements Corp., 5528 Vineland Ave., N. Iowa Hollywood, Calif. I STanley 7-0401 I *C 58 Digital computers; Kineplex high-speed digital Electronic counting, timing, controlling; high-speed transmission system I Dlc RMSa printing; in-line remote read-out instruments; com- (24 J puter test equipment; digital-to-analog converters ment, reading and recording magnetic heads, in­ I RMSa Ms(75) Se(1949) DAlc formation retrieval devices, input-output devices, COMPUTERS AND AUTOMATION, 815 Washington regulated power supplies, magnetic tape readers, St., Newtonville 60, Mass. I DEcatur 2-5453 or 2-3928 magnetic storage systems, tape handlers, magnetic I *C58 tape filing systems and recorders, converter mag­ Monthly computer and data processing magazine netic tape to punch card, telemetering systems, published by Berkeley Enterprises, Inc. I MSa Ss transducers, systems engineering I RMSa Ls (2500) (6) Se(1951) Ie Me(1937) DAc Edmund C. Berkeley, Editor Control Data Corp., 501 Park Ave., Minneapohs 15, Computing Consultants, Inc., 7 Austell Way, Atlanta 5, Minn. I FEderal 9-0947 I *C 58 Digital computers, systems, and devices; special Ga. I Exchange 0134 I ~:'C 56 Consultants in the utilization of computers for busi­ purpose input-output equipment, gyros, accelerom­ ness. Solution of problems for business I Ss Se eters, magnetic amplifiers, guidance and communi­ (1954) Ie CPa cations systems; converters - all types; magnetic storage systems; automatic controls and equipment; Computing Devices of Canada Ltd., P.O. Box 508, logical, plug-in circuits; digital computing and con­ Ottawa 4, Ontario, Canada PArkway 8-1761 *C 58 I I sulting services; data processing and recording Digital and analog computers; simulators; com­ equipment; magnetic discs drums,' reading and re­ puter components. Special purpose analog and cording heads; inventory and memory systems; digital computers and components. Research and plotters, resolvers, synchros, translating equipment; development in instrumentation and automatic con­ visual output devices I RMSCa Ms(225) Se(1957) trol. Digital and analog computing and data-proc­ Die essing service. Consulting services on business ap­ CONTROL ELECTRONICS CO., INCORPORATED, plications. Field maintenance service I RMSCa 1925 New York Ave., Huntington Sta., L.L, N.Y. / Ls(600) Se(1948) DAICc HA 8-7961 I :::C 58 Concord Control Inc., 1282 Soldiers Field Road, Boston Computer components; electromagnetic delay lines, 35, Mass. lumped constant and distributed constant, fixed and Numerical control: development and manufactur­ variable. VHF-UHF frequency calibrator, direct ing I DICc RMSa reading phase angle meter. Electronic instruments, Condenser Products Co., 140 Hamilton St., New Haven, special power supplies I RMSa Ss(40) Se(1951) Conn. I SP 7-5411 I *C 58 Ic Capacitors, power supplies, pulse forming networks A. C. Walker, President / E. S. Wendolkowski, I RMSa Ms(60) ?e Ic Vice President Con-Elco, 1711 Mountain Ave., Monrovia, Calif. Control Instrument Co., 67 35th St., Brooklyn 32, New Potentiometers; resistors I Ic RMSa York I Sterling 8-0658 I *C 57 Consolidated Avionics Corp., 800 Shames Drive, West­ Fire-control equipment. 900 line-a-minute tabu­ bury, 1.I., N.Y., Sub. of Consolidated Diesel Electric lator. Digital and analog machines and compo­ Corp. I EDgewood 4-8400 I *C 58 nents. Character recognition equipment. Subsid· Data reduction systems; instrumentation for air­ iary of Burroughs Corp. I Ls (1200) Me (1934) craft and missile flight tests; automatic test and DAle RMSa control systems; arithmetical circuits, computer test Convai r, a Division of General Dynamics Corp., Gen­ equipment, information converters of all types; eral Offices, San Diego 12, Calif. data processing and translating equipment I RMSa The charactron shaped-beam output device I Ls Me Ms(60) Se(1956) DAlc Ie RMSa Consolidated Controls Corp., Durant Ave., Bethel, Conn. Cook Electric Co., 2700 Southport Ave., Chicago 14, Ill. I PIoneer 3-6721 I *C 58 I DIversey 8-6700 / *C 58 Magnetic amplifiers, analog to digital converters, Automatic controls and equipment, data recording magnetic storage and memory systems I RMSa Ms cameras and equipment; computing and consulting (124) Se(1958) Ic services, electrical and information converters; geo­ Consolidated Diesel Electric Corp., 880 Canal St., Stam- physical apparatus; magnetic tape readers and re­ ford, Conn. cording heads; relays, stepping switches, magnetic Analog-to-digital converters; analog computers; tape recorders; telemetering systems I RMSCa Ls digital computers; data processmg; magnetic (1600) Le(1897) DAle drums; punch card machines I DAlc RMSa Corbin Corp., 5419 56th Place, Riverdale, Md. I AP Consolidated Electrodynamics Corp., 300 N. Sierra 7-7676 I *C 58 Madre Villa, Pasadena, Calif. I RYan 1-8421 or SY Digital and analog consulting services; arithmetical 6-9381 I *C 58 and logical packaged computer circuits; communi· Electronic instruments for measurement, analysis, cations systems; digital and analog computers, fac­ and control; instrumentation systems for dynamic. simile equipment; fire control equipment, input­ testing; magnetic amplifiers; automatic control output devices, integrators, multipliers, generators; equipment, printed circuits, automatic controls, an­ telemetering systems; visual output devices I alog to digital converters, digital and analog data­ RMSCa Ms(500) Me(1945) DAc handling and conversion systems, (Sadie, Millisadic, Cornell Computing Center, Cornell University, Phillips etc.), data processing and data recording equip- Hall, Ithaca, N.Y. I 43211, X 3325 I *C 58 [25 ] Computing service for university / RA Ss (7) Se rials handling systems associated with physical dis­ (1953) DAc tribution of product lines, including materials allo­ Cornell-Dubilier Electric Corp., 333 Hamilton Blvd., S. cation, inventory controls, customer order proces­ Plainfield, N.J. / Plainfield 6-9000 / *C sing and warehousing / Ca Ss(15) Se( 1954) Ie Test equipment. Components, including capacitors, Allan Harvey, V.P. / Sol Tanne, Pres. converters, printed circuits, etc. / Ls Le (1910) Ie DATA-FLO COMPUTING SERVICE, 1200 E. Colonial RMSa Drive, Orlando, Florida / GA 4-2225 / *C 58 Corning Glass Works, Electronic Component Dept., Office system and management services, including Bradford, Pa. / 2-4571 / *C 58 service bureau for converting paper tape to cards Electronic components, capacitors, printed circuits, and processing IBM cards / Ca Ss(20) Se(1957) Ie delay lines, resistors / RMSa Ls (13000 in company) J. A. Hunt, Sales Mgr., Methods Analyst / J. J. Le(1851) Ic Urban, Operations Mgr. CORPORATION FOR ECONOMIC AND INDUS­ Data Instruments Div. of Telecomputing Corp., 12838 TRIAL RESEARCH, 734 15th St., N.W., Washing­ Saticoy St.," N. Hollywood, Calif. / STanley 7-8181 / ton, D.C. / OTis 4-6377 / *C 58 *C 58 Consulting and computing services. Economic re­ Scientific data reduction instruments for film and search, operations research, programming services oscillogram records; analog-to-digital and paper­ RCPa ?s ?e DAc tape-to-card converters; electronic counters, mag­ Dr. Herbert W. Robinson, Pres. / William Orchard­ netic reading heads, inventory systems, plotters, Hays, Dir.-Computer Services. Division paper tape readers and punches, telemetering sys­ Creed & Co., Ltd., Telegraph House, Croydon, England tems / RMSa Ms (150) Se (1947) DAc / Croydon 2121 . DATAMATIC DIV., MINNEAPOLIS-HONEYWELL Teleprinter equipment for telecommunication. Also REGULATOR CO., 151 Needham St., Newton High­ input and output equipment specifically intended lands 61, Mass. / DEcatur 2-6960 / *C 58 for association with electronic computers, machine Electronic data processing systems. Training, sales, tool, and process control systems / Die RMSa service, and service bureau / RMS (training)a Ls CUBIC CORPORATION, 5575 Kearny Villa Rd., San (750) Se(1955) DIc Diego 11, Calif. / *C 58 W. W. Finke, Pres. / J. E. Johnson, VP-Marketing Transistorized playback system; transistorized digi­ Data Processing Digest (Canning, Sisson & Assoc.), tal recording system; digital computers, analog to 1140 S. Robertson Blvd., Los Angeles 35, Calif. / digital converters, data processing and translating BRadshaw 2-8425 / *C 58 equipment / RMSa ?s Se DIe .Monthly bibliographic service in electronic data Cudahy Publishing Company, 6141 North Cicero Ave., processing and related fields / RMSa Ss (5) Se Chicago 30, Ill. / Pensacola 6-8834 / *C 57 (1954) DAc Publication of automatic data processing service, Data Systems Div., Norden-Ketay Corp., 13210 Cren- weekly, for users of automatic data processing shaw Blvd., Gardena, Calif. / FA 1-1775 / *C 58 equipment / Ss Se(1956) Ic RMSa Special purpose digital data systems and numeric Curtiss-Wright Corp., Electronics Div., 631 Central position control systems / RMSa Ms (50) Se (1955) Ave., Carlstadt, N.J. / GE 8-4000 / *C 58 Dc Electronic voltage regulators, stripchart recorders; Datex Corp. (a subsidiary of G. M. Giannini & Co., signaling controls, simulators, for design and per­ Inc.), 1307 So. Myrtle Ave., Monrovia, Calif. / sonnel training; automatic controls and equipment; ELiot 9-5381 / *C 58 geophysical apparatus / RMSa Ls (1400) Me (1946) Analog-to-digital shaft position encoders; auto­ ICc matic controls; data recording and positioning sys­ Curtiss-Wright Corp., Research Div., Quehanna, Pa. / terns; input-output devices / RMSa Ms (100) Se *C 58 (1958) DAle Nuclear reactors and products; computing services The Datics Corp., 6000 Camp Bowie Blvd., Fort Worth - analog & digital; research in aviation, electron­ 16, Texas / PErshing 8-6505 / *C 58 ics, ultrasonics, chemistry, plastics, metallurgy / Electronic computing, data processing, data reduc­ RCa ?s ?e Ie tion, consulting, research and development services, analog to digital converters / RCa Ss (30) Se (1956) D DAc The Daven Co., Route 10, Livingston, N.J. / LIvingston DALE PRODUCTS, INC., P.O. Box 136, Columbus, 6-4300 / *C 58 Neb. / Locust 4-3131 / *C 58 AC summing amplifier networks (RC); AC and Precision electronic components; electro-mechanical DC resistance networks; integrating networks; dif­ assemblies; resistors; potentiometers; aircraft an­ f erentiating networks; phase shifters; voltage ratio tenna systems; environmental testing of electronic standards; plug-in, potted circuits; computer com­ components; electronic subcontracting / RMSa Ms ponents; embedded assemblies and components; (465) Se(1951) Ie power supplies; resistors; stepping switches. Con­ DASOL CORP., 14 Charlton St., New York 14, N.Y. / sulting services / RMSCa Ms(450) Me(1929) AIc CHelsea 3-1800 / *C 58 Davies Laboratories, Inc., a division of Minneapolis­ Consulting services and systems engineering, spe­ Honeywell Regulator Co., Beltsville, Md. / Appleton cializing in integrated data processing and mate- 7-1133 / *C { 26] Automatic data-reduction and conversion equip­ ment. Magnetic tape data recorders. Magnetic reading and recording heads / Ms (110) Se (1946) Ac RMSCa Daystrom Instrument Co., Archbald, Pa. / Jermyn 1100 / *C Digital and analog computers. Magnetic core and magnetic drum storage systems. Servomechanisms / Ls (1000) Se (1950) DAISc RMSCa Daystrom Systems, Div. of Daystrom, Inc., 5640 La Jolla Blvd., La Jolla, Calif. / GLencourt 4-0421 / *C 58 Complete solid state digital process control sys­ terns; transistorized random access magnetic core memory systems; low-level analog-to-digital con­ verters, etc. / RMSa Ms (60) Se (1956) DAICc Daystrom Transicoil Corp., Worcester, Montgomery County, Pa. / JUno 4-2421 / *C 58 Servo and synchro components and assemblies / RMSCa Ms (200) Se (1950) Ic THE de FLOREZ CO., INC., 200 Sylvan Ave., Engle- wood Cliffs, N.J. / LOwell 7-3990 / *C 58 Register controls, servomechanisms, control sys­ tems, mechanical design. Research and develop­ SINGLE LAMP HOLDER ment. Synthetic training devices / RMCa Ms(50) Replaceable No. 7538 Lamp Cartridges Se(1948) DAICc Peter de Florez, Pres. / Edwin K. Smith, VP In this brochure-complete facts on DIALCO's DeJur-Amsco Corp., 45-01 Northern Blvd., Long Is­ land City 1, N.Y. / AStoria 8-1040 / *C 58 rtND······:·· m'ftiJ f.li\ 'f? 'i] Ll]iJ~ ~ ® Panel instruments, precision potentiometers, preci­ 1lI)~~ lJi1~~ l1 ~~ sion connectors / RMSa Ms (500) Le (1922) Ie Delco Radio Div., General Motors Corp., 700 East For the Computer-Automation Industries Firmin St., Kokomo, Ind. / Gladstone 2-8211 / *C 58 DATALITES by DIALCO are ultra-miniature Indicator Lights High power germanium transistors; semiconductors specially designed to meet the critical requirements of the computer-automation fields. Made in 2 basic styles: / RMSa Ls (4000) Me (1936) Ic Lamp Holders with DIALCO'S own replaceable Lamp Cartridges Deltime, Inc., 608 Fayette Ave., Mamaroneck, N.Y. / (see above); or integrated DATALITES with Built-in Neon Mamaroneck 9-5800 / *C 57 Lamps which are not replaceable (see below). Ultra-compact, Magnetostrictive delay lines and registers / Ms (75) single units mount in 3/8 " clearance hole; the twin-lamp assembly mounts in 3/.( clearance hole. Se(1953) Ic RMSa LAMPS USED: Dennison Manufacturing Co., Machine Systems Divi­ T·13/4 wire·lead incandescent lamps, 181 sion, Framingham, Mass. / TR 3-3511 / *C 58 or NE·2E neon lamps, In aluminum sleeves "Print-punch" marking machines for automatic data capped with plastic With processing / RMSa Ls (2700) Le (1844) Ie lenses (7 colors). Rotatable • Lenses DIALIGHT CORP., 60 Stewart Ave., Brooklyn 37, N.Y. / HYacinth 7-7600 / *C 58 161 DATALITES 01 Indicator lights, pilot lights, ultra-miniature indi­ with cator lights ("Datalites") for computer and auto­ Bullt·in NE·2E Neon Lamps mation fields. Oil-tight indicator lights for heavy­ No. duty industrial applications / RMSa ?s Me(1937) 249·7840·1431 No. 249·7841·931 n-., II with 10 a e Ic built·in resistor No...... 250·7841·1431 R. E. Green, Vice Pres. and Gen. Mgr. (1IIu,t. appro". n"l\ with No. 250·7840·1431 a I!!I built·in resistor Diamonite Products Mfg. Co., 1232 Cleveland Ave., actual ,;ze) N.W., Canton 3, Ohio / GLendale 6-8195 / *C 58 DATALITES have fully insulated terminals and conform to all applicable military specifications. Integrated units High alumina ceramics / RMSa Ms(150) Me are available with or without built-in resistors. The (1940) Ie cylindrical lenses can be hot-stamped with digits, letters, DIAN LABORATORIES, INC., 611 Broadway, New etc. Complete details in Brochure L-160. Send for it now. York 12, N.Y. / AL 4-6555 / *C 58 SAMPLES ON REQUEST-AT ONCE-NO CHARGE Analog computing services; general purpose analog Foremost Manufacturer of Pilot Lights computers. Design and construction of special pur­ pose computers, simulators, and trainers / RMSCa DIllI. IGH 'I' Ss(6) Se(1955) Ac CORPORATION Dr. Stanley Fifer, Pres. / U. Manfredi, Sec. 60 STEWART AVE., BROOKLYN 37, N. Y. • HYacinth 7-7600

[ 27 ] • John Diebold & Assoc., Inc., 40 Wall St., New York 5, DX Radio Products Co., 2300 W. Armitage Ave., Chi­ N.Y. I WH 3-9115 I *C 58 cago 47, Ill. Management consultants specializing in manage­ Delay lines, magnetic cores I Ic RMSa ment science and automatic data processing. Coun­ sel; training; courses; published subscription in­ E formation service I C(training)a Ss(30) Se(1954) Eagle Signal Corp., 202 20th St., Moline, Illinois / Ie MOline 2-5571 *C 58 Diehl Mfg. Co., 1225 Finderne Ave., Somerville, N.J. I Timers and counters for automatic control of mach­ I RA 5-2200 I *C 58 ines and processes; hermetically sealed timers; Servomotors: tachometers; resolvers; etc. I RMSa automatic controls and equipment; sorting and LS(2000) Le(1888) Ic counting controls; stepping switches I RMSa Ls Digital Equipment Corp., Maynard, Mass. I TWinOaks (500) Me(1928) Ic 7-8821 *C 58 I Eastern Industries, Inc.-SEE Automatic Signal Division Digital building blocks for use in computer testing. Eastman Kodak Co., 343 State St., Rochester 4, .Y. I Special purpose data processing equipment I RMSa LOcust 2-6000 I *C 58 Ss(10) Se(1957) Ic Primarily manufacturers of photographic equip­ Digitronics Corp., Albertson Ave., Albertson, L.1., N.Y. ment. Also manufactures cellulose yarns and staple I PIoneer 7-5090 I *C 58 synthetic and organic chemicals and dyestuffs, fire Digital computing and data processing systems; control equipment, facsimile equipment (photo­ components including delay lines, pulse :ransform­ copy), recording paper I RMSa Ls(74,000, world­ ers, high speed clutches and brakes; high speed wide) Le Ic paper tape handlers, magnetic tape ha~dlers; auto­ Ebasco Services Incorporated, 2 Rector St., New York 6, matic pay TV billing system; electroniC tub file I N.Y. I Digby 4-4400 I and elsewhere I *C 57 RMSCa Ms(60) Se(1957) DICc Management advisory services. Applications of data Dilectron Div. of the Gudeman Co., 2669 S. Myrtle processing equipment in business; etc. I Ls (1600) Ave., Monrovia, Cal. I RYan 1-8631 I *C 58 Le (1905) DIc CPa Miniature pulse transformers, delay lines, ceramic Eckert-Mauchly Division - part of Remington Rand disc capacitors I RMSa MS(200) Se(1953) Ie Univac Division, Philadelphia, which see. DIT-MCO, Inc., 911 Broadway, Kansas City 5, Mo. I Eclipse-Pioneer Division - SEE Bendix Aviation Corpo­ HA 1-8484 I *C 58 ration Universal automatic electrical circuit analyzers; Edgar, Wesley B., 206 Palmetto State Life Bldg., 1310 functional testers for testing complex relay circuitry Lady St., Columbia 1, S.c. I Columbia 3-7563 I *C I RMSCa MS(114) Se(1953) Ic Consulting service on application of automated pro­ DocuMation, Inc., Woodbury, -N.J. I TI 5-7876 I *C 58 cedures to small business operations I Ss (4) Me Consulting services - automation applied to infor­ (1930) Ic Ca mation retrieval and documentation in general; and EDIN CO., INC., a Division of EPSCO, Inc., 207 Main publishing RCa Ss (5) Se (1956) Ic I St., Worcester, Mass. I PL 7-8394 I *C 58 Doelcam Corp., a division of Minneapolis-Honeywell _ Industrial and medical electronic instruments, os· Regulator Co., 1400 Soldiers Field Road, Boston 35, cillo graph recorders and amplifiers, frequency an­ Mass. - name changed to Minneapolis Honeywell alyzers, weld analyzers, recording papers I RMSa Regulator Co., Boston Div., which see Ms(SO) Me(193S) Ic Donner Scientific Co., 888 Galindo St., Concord, Calif. M. W. Edinburg, General Manager I Robert Wad- I MUlberry 2-6161 I *C 58 man, Purchasing , Analog computers; industrial operational ampli­ THOMAS A. EDISON INDUSTRIES, INSTRUMENT fiers, nonlinear and auxiliary equipment; servo DIVISION OF McGRAW-EDISON CO., 36 Lake­ transducers and control systems; automatic control side Ave., West Orange, N.J. I ORange 3-6800 I equipment; printed, plug-in circuits; differential *CS8 analyzers; capacitors, plug boards, electronic mul­ Rotary servo-synchro components and complete sub­ tipliers, generators, and integrators; indicators; systems. Time delay relays, thermostats, sensitive simulators; resolvers, resistors; regulated power D.C. relays, and other thermal devices. Magnetic supplies; potentiometers I RMSCa Ms (120) Se amplifiers; computer packaged circuits, magnetic (1953) ACc heads, servo multipliers I RMSa Ms (360 div.) Me Dorsett Laboratories, Inc., 401 East Boyd, Ns>rman, 1940 div.) ISc Okla. I JEfferson 4-3750 I *C 58 George J. Bindewald, Gen. Sales Mgr. I Victor Specially engineered equipment; analog computers, W. Rose, Advtg. & Sales Prom. Mgr. particularly for telemetering I RMSCa Ss (42) Se Edo Corp., 13-10 111th St., College Point 56, N.Y. I (1950) AIc HIckory 5-6000 I *C 58 J. H. Drillick Research Lab., Inc., 433 Central Ave., Delay lines I RMSa Ls(500) Le(1925) Ic , Orange, N.J. I ORange 2-2440 I *C 58 Educational Research Corp., 10 Craigie St., Cambridge Components for computers I Ra Ss Se Dc 38, Mass. Arnold 1. Dumey, 29 Barberry Lane, Roslyn Heights, Digital computers; punch card machines I Ic RMSa N.Y. I *C58-- EECO Production Co., 506 E. First St., Santa Ana, Calif. Consultant, data handling problems I Ca Ss Se Ic Electronic components for computers and other

[28 ] ENGI N EERS - MATH EMATICIAN S SYLVANIA OPENING NEW DATA PROCESSING LABORATORY IN SUBURBAN BOSTON "Progra1n1ned" staff expansion offers exceptional growth opportunities ...... to engineers and scientists in Digital Cornputer Activities ...... If you have the potential to assume increasing technical responsibilities in this field, ...... look into the expanding analysis and development activities at Sylvania's ...... newly formed DATA PROCESSING LABORATORY where Sylv...... an ...... ia ~ _ ~ ...... engineers are engaged in the High Speed Data Processing Phase of ~ ~ ~ the Ballistic Missile Early Warning System - known as BMEWS - in addition to a number of other projects. .... • SR. DEVELOPMENT ENGINEERS Assignments here are of a nature to bring rapid ...... professional growth to the talented and ...... • SR. SYSTEM ANALYSTS creative man. The environ.... l11 ....en ... t ...... __ ~ ...... encourages initiative and ~ ~ ~ • SR. PROGRAMMERS original thinking. • MATHEMATICAL ANALYSTS ______:::,..... Positions are open for: • ENGINEERS WITH EXPERINECE IN DISPLAY ---- OF RADAR DATA HANDLING -- ..... -- ...... Please send resume in cO'ntplete - (Previous digital data processing experience confidence to: ERLING MOSTUE -- ...... is important for most assignments.) Interview and relocation expenses paid by Sylvania. Inquiries wi~ be -- ..... _ answered within 2 weeks. Convenient Saturday interviews arranged. --- WALTHAM LABORATORIES Electronic Systems Division ~SYLVANIA~ --- SYLVANIA ELECTRIC PRODUCTS INC. 100 First Avenue - Waltham 54, Massachusetts

equipment. Squaring circuits. Subsidiary of Elec­ Electro-Measurements, Inc., 7524 S.W. Macadam, Port- tronic Engineering Co. of Calif. / Ie RMSa land 1, Oregon / Cherry 6-3331 / *C 57 Eleo Corp., "M" Street below Erie Ave., Philadelphia 24, Computer test procedures and instruments, com­ Pa. / CU 9-5500 / *C 58 puter readout devices. Computer components / Connectors, standard and printed circuits, etc., tube Ms(60) Se(1947) Ie RMSCa shields, tube sockets / RMSa Ms (250) Se (1948) Ic Electro-Mec Laboratory, Inc., 47-51 33rd St., Long Is- Electralab Inc., Industrial Center, Needham Heights 94, land City 1, N.Y. / STillwell 6-3402 / *C 58 Mass. / HIllcrest 4-5000 / *C 58 Potentiometers, precision, variable, wire wound; Printed circuits / RMSa Ms(50) Se(1951) Ic digitometers (analog to digital converters); goni­ Electrical and Physical Instrument Corp., 42-19 27th ometer, precision shaft positioner, to evaluate, test St., Long Island City, N.Y. / Stillwell 4-6389 / *C . and calibrate potentiometers / RMSa Ms (125) Se Flip-flop and other counters in decade and binary; (1950) DAle digitizers (high speed); automatic control machin­ Electro-Mechanical Research, Inc., 64 Main St., P.O. Box ery / Ss Se DCc RMCa N, Ridgefield, Conn. ElectroData Div. of Burroughs Corp. - see Burroughs Analog-to-digital converters, data processing / Ic Corp., ElectroData Div. RMSa Electro Instruments, Inc., 3794 Rosecrans St., San Diego ELECfROMETRIC DIVISION OF WHITEWATER 10, Calif. / Cypress 8-6144 / *C ELECTRONICS, INC., 136 W. Main St., Whitewater, Digital voltmeters; digital ohmmeters, analog-to­ Wis. / 986 / *C 58 digital converters, card converters, frequency count­ ers, X-Y Recorders, go no-go systems, automation Delay lines for computers and radar systems; induc­ systems, digital testers, and other digital instru­ tors of any type / RMSa Ms(150) Se(1955) Ie ments / Ms(80) Se(1954) Ie RMSa A. P. Falduto, Pres. Electrol, Inc., 9000 W. Pico Blvd., Los Angeles 35, Calif. Electro-Miniatures Corp., 1060 Elm Ave., Ridgefield, / CRestview 6-4425 / *C 58 . N.J. Diode function generators, DC amplifiers and Analog-to-digital converters / Ie RMSa counters / RMSa SS(20) Se(1957) ACc THE ELECTRO MOTIVE MANUFACTURING CO., Electrologica N.V., 9 Paleisstraat, The Hague, Nether­ INC., South Park and John Sts., Willimantic, Conn. / lands / 184260 / *C 58 HA 3-4551 / *C 58 Digital computers / RMSCa Se (1956) Ms (104)' Dc Mica capacitors, silver mica capacitors, paper ca­ Electro-Machine Corp., Box 565, Umatilla, Florida / pacitors, variable trimmer capacitors, cer~mic disc Magnetic drums; punch card machines / Ie RMSa capacitors, ceramic capacitors, for computer~ and [29 ] other uses I RMSa Ls(850) Me(1945) Ie Semiconductor and transistorized designs, power J. A. Flanzer, VP I L. H. Healy, Sales Mgr. packs, packaged circuits, packaged computers I ELECtRONIC ASSOCIATES, INC., Long Branch, N.J. RMSa Ms(75) Se(1953) I CApital 9-1100 I and elsewhere I *C 57 D. D. Grieg, Sales Manager I Sidney Moskowitz, General purpose precision analog computers, spe­ Chief Engineer cial purpose analog computers, analog computer Electronic Specialty Co., 5121 San Fernando Rd., Los components, digital-to-analog converter, digital Angeles 39, Calif. I CH 5-3771 I *C 58 plotting system (Dataplotter). Automatic control Electronic components for aircraft and missiles, RF of all machine tools. Computation centers at systems and subsystems, automatic and signaling Princeton, Los Angeles I Ls(900) Se(1945) DACc controls, regulated power supplies I RMSa Ms RMSCa (210) Me(1947) ICa ELECTRONIC ASSOCIATES INC. COMPUTATION Electronic Transformer Co., Inc., 70 Washington St., CENTERS at Los Angeles, Princeton - SEE Elec­ Brooklyn 1, N.Y. I MAin 5-6123 I *C 58 tronic Associates Inc. Coils, pulse transformers, all types of magnetic Electronic Computer Company, 6191 Ridge Ave., Phila- components for computer and other uses I RMSCa delphia 28, Pa. , Ms(165) Me(1937) Ic Analog-to-digital converter for data reduction sys­ Electronics Corp. of America, 77 Broadway, Cambridge tems and general voltage measurement applications 42, Mass. I TRowbridge 6-9100 I *C I Ie RMSa Electronic and phototelectronic controls, "Photo­ Electronic Computer Division of Underwood Corp.­ switches," etc. Automatic control and data proces­ has been discontinued sing machinery I Ls (1500) Me (1937) DACc RMSa ELECTRONIC COMPUTER PROGRAMMING IN­ Electronics Development Co., Inc., 3743 Cahuenga, No. STITUTE, 1234 Broadway, New York 1, N.Y. I WIs­ Hollywood, Calif. I STanley 7-3223 I *C 58 Wide-band data transmitters and receivers, ground consin 7-4191 I *C 58 Consultants in office automation, punched card sys­ & airborne; telemetering systems I RMSCa Ss (11) tems, integrated data processing and electronic data Se(1954) Ic processing. Courses in computer programming at Electro Products Laboratories, Inc., 4501 N. Ravens­ training center in New York or through home­ wood Ave., Chicago 40, Ill. I LOngbeach 1-1707 I study I C(education)a Ss(8) Se(1956) DIe *C58 Sidney David, Part. I Seymour Weinberg, Part. Transducers and control units for detecting pres­ ence of metal, providing analog or digital output; Electronic Contractors, Inc., 2101 SE 6th St., Portland automatic assembly equipment; automatic and sort­ 14, Ore. I BE 4-3515 I *C 58 ing and counting controls I RMSa Ss (32) Me ~C network computers and analyzers, Enns power (1936) DAle network computer I RCMSa Ss(20) Se(1953) Ac Electro-Snap Switch & Manufacturing Co., 4218 West Electronic Control Systems, Inc., 2136 Westwood Blvd., Lake St., Chicago 24, Illinois VA 6-3100 *C 58 Los Angeles 25, Calif. I Granite 8-4266 and Brad­ I I Snap action, multipole, subminiature and miniature shaw 2-0845 I *C Special purpose data-handling systems for military switches; stepping switches I RMSCa Ms (255) Se (1946) and industrial use; automatic continuity tester, sta­ tistical analyzer, machine tool control systems I Elgenco, Inc., P.O. Box 45344, Airport Station, Los Ms(85) Se(1953) DACc RMSa Angeles 45, Calif. I FRontier 5-4685 I *C 58, Low frequency Gaussian noise generators for an­ ELECTRONIC ENGINEERING COMPANY OF CAL­ alog computers I RMSa Ss(3) Se(1955) Ie IFORNIA, 1601 East Chestnut Ave., Santa Ana, Calif. Elliott Addressing Machine Co., 143 Albany St., Cam- I KI 7-5501 I *C 58 bridge 39, Mass. I TRowbridge 6-2020 I *C 57 Electronic research and development in the fields Addressing stencils, with selection controlled by of precision timing equipment, data processing and punched holes in cardboard margin I Ls (1000) translating equipment and guided missile test range Se(1900) Ic RMSa equipment; card-to-magnetic-tape converters, mag­ Elliott Bros. (London) Ltd., Century-Works, Lewisham, netic-tape-to-card converters RMa Ms(250) Me I London, S.E. 13, England and Computing Machine (1947) Ie Division, Elstree Way, Borehamwood, Herts., England Burgess Dempster, Pres. I R. B. Bonney, Vice-Pres. I Tideway 2323, Elstree 2040 I *C Electronic Fabricators, Inc., 682 Broadway, New York Servomechanisms; Elliott 402, 403 electronic digi­ 12, N.Y. SPring 7-4900 *C 58 I I tal computers. GPAC (General purpose analog Precision capacitors RMSa Ss(30) Se(1952) Ic I computer). Computing services; components, in­ Electronic Noise Generator Co., P.O. Box 45344, Air­ strumentation and control for process industries I port Station, Los Angeles 45, Calif. I FRontier 5-4685 Ls(3500) Le(1800) DASCc RMSCPa I *C 56 EI-Rad Mfg. Co., 2800 W. Cullom Ave., Chicago 18, Low frequency Gaussian noise generator (distrib­ Ill. I IRving 8-7300 I * 58 uted solely by Electronic Associates, Inc., N.J.) Ie Delay lines, pulse transformers, coils I RMSa Ms RMa (150) Me (1944) Ic J ELECfRONIC RESEARCH ASSOCIATES, INC., 67 Engineered Electronics Company (subsidiary of Elec­ Factory Place, Cedar Grove, N.J. I CEnter 9-3000 I tronic Engineering Co.), 506 E. First St.) Santa Ana, *C58 Calif. I Kimberley 3-9384 I *C 57 : [ 30 ] Plug-in computer circuitry (vacuum tube and trans­ machine with multiplying features; typewriters, istorized. types), diode logic, decade counters, her­ etc. (In 1390 A.D., copper mining) I RMSa Ls metically sealed stepping switches, chopper-stabili­ (4000) Le(1390 A.D.) Dc zed DC amplifiers, and compatible accessory items I Fairbanks Associates, 248 Greenwich Ave., Greenwich, Ms(100) Se(1954) DACc Ma Conn. I Greenwich 8-8155 I *C Engineers Northwest, 2835 Nicollet Ave., Minneapolis Consultants in application and installation of elec­ 8, Minn. I Re-5541 I *C tronic systems in clerical methods and procedures; Test-scoring machines and equipment I Ss (20) Se evaluation of proposed savings; operations research (1945) DAc RCMa _- I Ss(7) Se(1952) DIe RCPa The English Electric Company, Ltd., Queens House, Fairchild Controls Corp., Components Div., 225 Park Kingsway, London, WC2, England I Holborn 6966 Ave., Hicksville, L.I., N.Y. I WElls 8-5600 I *C 58 I *C 57 Precision potentiometers, pressure transducers, rate Deuce, universal digital computer; also special pur­ gyros, accelerometers, computing converters, elec­ pose electronic digital computers for use with kin­ tronic generators. Subsidiary of Fairchild Camera etic heat simulators I Ls Dc RMSa and Instrument Corp. I RMSa Ms(500) Le(1920) Epsco Components, 588 Commonwealth Ave., Boston Ic 15, Mass. I COpley 7-1524 I *C 58 Fairchild Engine & Airplane Corp., 118 East 16th St., Components for automatic data processing; minia­ Costa Mesa, Calif. ture shift registers, magnetic logic elements, pre­ Analog-to-digital converters; potentiometers I Ic cision delay lines, pulse transformers, counters, RMSa plug-in logic modules, magnetic amplifiers, pack­ Fairchild Graphic Equipment, Inc., Fairchild Drive, aged computer circuits, coils I RMSa Ms(60) Se Plainview, Long Island, N.Y. I WElls 1-4500 I *C 58 (1954) Ie I successor to Teletypesetter Corp., Chicago D. W. Comins, Jr., Mgr., Components Div. Tape perforators and operating units for local or Epsco, Inc., 588 Commonwealth Ave., Boston 15, Mass. distant automatic control of Linotypes and Inter­ I COpley 7-8100 I *C 58 types I RMSa Ie Magnetic core buffer storage; translating equip­ Fansteel Metallurgical Corp., North Chicago, Ill. I ment, digital to analog and analog to digital con­ DExter 6-4900 I *C 58 verters, automatic control systems, DA-102 differ­ Tantalum capacitors, silicon rectifiers and selenium ential DC amplifier, digital recorder, Addaverter rectifiers I Ma Ls (2000) Le (1907) Ie computer linkage systems, visual displays, input­ Farrand Controls, Inc., 4401 Bronx Blvd., New York output devices, memory systems, magnetic tape re­ 70, N.Y. I Fairbanks 4-2210 corders; analog computers I RMSCa Ms Se(1954) "Inductosyn" automatic control equipment. Sub­ DAICMc sidiary of Farrand Optical Co., which see Erco Plant - Nuclear Products, Division of ACF In- dustries, Inc., Riverdale, Mary land I WArfield 7-4444 Farrand Optical Co., Bronx Blvd. and 238 St., New I *C58 York 70, N.Y. I Fairbanks 4-2200 I *C Special purpose analog computers, magnetic Gunfire control apparatus, rangefinders, optical and clutches, simulators I RMSa LS(1000) Me(1930) electronic sighting equipment, automatic trackers, Ac infrared search and scanning systems, analog-digi­ tal converters, analog computers, etc. I Ls (800) Le ESC CORPORATION, 534 Bergen Boulevard, Palisades (1918) DASCc RMSCa Park, N.J. I WIndsor 7-0400 I *C 58 Delay lines, pulse forming networks, pulse trans­ Federal Telephone and Radio Co., Division of Interna­ formers, filters, embedded assemblies and compo­ tional Tel. and Tel., 100 Kingsland Rd., Clifton, N.J. nents, shift registers, miniature pulse transformers, I Nutley 2-3600 I *C etc. I RMSa Ms(125) Se(1953) Ie Vacuum tubes, selenium rectifiers, germanium di­ Morton Fassberg, Pres. I Stanley S. Packer, Vice­ odes, contact protectors, coaxial cables, magnetic Pres. amplifiers; radio and telephone systems, microwave E-Z Sort Systems, Ltd., 45 Second St., San Francisco 5, systems, and associated components I Ls(6500) Me Calif. I Garfield 1-8005 I *C (1941) ISCc RMSPa Edge-punched cards for filing and sorting data. Spe­ Feedback Controls, Inc., 899 Main St., Waltham 54, cial cards for correlation of facts. Control systems Mass. I TWinbrook 4-1020 I *C 58 for a number of electronic computers I Ms (260) Magnetic amplifiers, quadrature rejectors, data re­ Me(1935) Ie RMSa peaters, servo multipliers, servo-motor gear heads, F analog computers, computer test equipment, servo multipliers I RMSa Ms (50) Se (1954) AIc Fabrica Addizionatrice Italiana S.S., Viale Umbria 36, Felt and Tarrant Mfg. Co. - name changed to Comp­ Milan, I tal y tometer Corp., which see. Desk calculators to add, subtract, multiply, divide, Fenwal, Inc., 362 Pleasant St., Ashland, Mass. I TRinity print I Dc RMSa 5-6111 I *C 58 FACIT, INC., 404 4th Ave., New York 36, N.Y. (sub­ Semiconductors, temperature indicators and con­ sidiary), Stockholm, Sweden (headquarters), and else­ trols, fire and overheat detectors I RMSa Ls (600) where I *C 58 Me(1935) Cc Desk calculators, adding machines, Odhner adding FERRANTI ELECTRIC, LTD., Industry St., Mt. Den-

[ 31 } nis, Toronto 15, Ontario, Canada I ROger 2-3611 I Ford Instrument Co., Div. of Sperry Rand Corp., 31-10 *C58 Thomson Ave., Long Island City 1, N.Y. / STillwell Computers, automatic control equipment, communi­ 4-9000 / *C 58 cations sys~ems, data processing machinery, inven­ Fire control systems, analog and digital computers, tory systems, special purpose digital computers, missile guidance systems, servo motors, differential simulators, and associated components. Data proc­ and integrator elements, instruments for shipborne essing systems for special applications - inventory and airborne armament and navigational control, control of Bight data, Bight reservations; mail sor­ nuclear reactors, computers, systems, drives, and tation; JANET meteor trail communication. Con­ precision components; magnetic amplifiers; auto­ sultation and research facilities involving these and matic control systems I RMSa Ls(4000) Le(1915) allied fields. See also Ferranti Electric, Inc. / DAICc RMSCa Ms(200) Le(1909) DAICc THE FOXBORO CO., Neponset Ave., Foxboro, Mass. FERRANTI ELECTRIC, INC., 30 Rockefeller Plaza, I Kingswood 3-5311 I *C 58 New York 20, N.Y. I CIrcle 7-0911 I agent for Fer­ Industrial instrumentation and analog computers ranti Electric Ltd., Moston, England, and Mount Den­ for measuring and controlling process variables. nis, Toronto, Canada I *C 58 Automatic systems, controls, and signaling, special General purpose digital computers (Pegasus, Mer­ purpose industrial computing systems, automatic as­ cury), special purpose data processing systems, high sembly equipment, computing services, data record­ speed paper tape readers, magnetic drums, magneto­ ing equipment; tachometers, telemetering systems, striction delay lines, digital position measuring electronic and mechanical integrators, scanners I equipment, Ferranti Business transactor, paper tape RMSa Ls(2400) Le(1908) Ic to magnetic tape convert~r, automatic control Franklin Electronics, Inc., E. 4th St., Bridgeport, Pa. I equipment, translating equipment, storage systems, BR 2-4800 I *C 58 - memory systems I RMSa Ls(14000) Le(1896) DIc Digital voltmeters, nuclear instrumentation, ana­ FERRANTI, LTD., West Groton, Manchester, England, log-to-digital converters, data processing machinery and London Computer Centre, 21 Portland Place, / RMSa Ms(80) Se(1952) DAc London W.1., England I Langham 9211 I *C 58 The Franklin Institute Laboratories, Benj. Franklin Digital computers (Pegasus, Mercury); packaged Pkwy. at 20th St., Philadelphia 3, Pa. I LOcust 4-3600 computer circuits; computing services; plug-in and / *C 58 printed circuits, card-to-magnetic-tape and mag­ Basic and applied research and development in: netic-tape-to-card converters; data processing mach­ chemistry, physics, solid state physics, electrical, inery, delay lines, input-output devices; paper tape mechanical and nuclear engineering, digital and and photoelectric readers, tape handlers I RMSa analog computers. Automatic control machinery. Ls Le Dc Digital (Univac) computing service. Magnetic am­ FERROXCUBE CORP. OF AMERICA, 2900 E. Bridge plifiers; packaged computer circuits; converters, an­ St., Saugerties, N.Y. I CHerry 6-2811 I *C 58 alog to digital, and digital to analog; electronic Ferrite cores, including pot cores, cup cores, re­ integrators; electronic and servo multiplers; simu­ cording heads, and microminiature toroids with lators / RCPa Ms(350) Me(1946) DAle square hysteresis loop; .memory arrays, thermistors, FRIDEN INC., San Leandro, Calif. I SWeetwood varistors, ceramic permanent magnets, resistors, 8-0700 / :::C 58 pulse transformers I RMSa Ms(200) Se(1949) Ic Automatic desk calculators; Computyper - tape-to­ J .. D. Moynihan, Chief Engr. I W. J. Crosby, Sales card conversion; Add-Punch, adding and listing Administrator machine; Flexowriter automatic writing machine. Financial Publishing Co., Mathematical Tables Divi­ Complete line of equipment for reading, punching, sion, 82 Brookline Ave., Boston 15, Mass. I *C verifying, converting, and transmitting common Computing service: digital; card programmed cal­ l~nguage. tape or edge-punched cards. Complete culators, punch card I Ms (100) ?e Dc RCPa hne of mtegrated data processing equipment I Fischer & Porter Co., 330 Warminster Rd., Hatboro, RMSa Ls(3000) Me(1934) DIc Pa. I OSborne .5-6000 I *C 58 Automatic instrumentation, including: measure­ G ment of a variable at the point of process; transmis­ The Gamewell Co., 1238 Chestnut St., Newton .Upper sion of data, central collection, and display; data re­ Falls 64, Mass. / BI 4-1240 I *C 58 duction systems using a mechanical digital converter Precision wire wound potentiometers, linear and (Digi-Coder), tabulated digital data output, etc.; non-linear, and other products I RMSa Ms (400) automatic multiple readout systems, converters, Le(1857) Ic computers, automatic control equipment, analog to H. S. GELLMAN & CO., LTn., 110 Bloor St. West, digital converter, electronic counters, data proces­ Toronto, Ont., Canada / Walnut 3-4484 / *C 57 sing and data recording equipment, controlled elec­ Consultants on automatic data processing systems; tric typewriters I RMSCa Ls (1200) Me (1937) Ic applications of systems and equipment to business Flight Research, Inc., P.O. Box 1-F, Richmond 1, Va. I data processing, system analysis, and design; train­ REpublic 7-4163 I *C 58 ing of clients' personnel; programming and com­ Photographic data recording equipment; data re­ puting service for business, scientific and engineer­ cording cameras and equipment, clutches, semicon­ ing calculations / RCa Ss Se(1955) Dc ductors I ~MSa Ss (40) Me-(1946) Ie H. S. Gellman, Pres. [ 32 J MATHEMATICIANS Mathematical Analysis Cuts Lead Time in Aircraft Reactor Development at General Electric

Mathematical methods are some of PRINCIPAL MATHEMATICIAN: SENIOR POSITION-MATHEMATICAL the strongest supports for General (PhD up to 5 years experience ANALYSIS: Electric's Aircraft Nuclear Propul­ or 1\15 up to 10 years), to evaluate (M5 with 3 to 5 years experi­ sion Program. Management esti­ advanced' computer techniques; ence), to provide solutions to mates that the mathematician's originate creative concepts nec­ advanced problems in mathemat­ insight can cut as much as 2 years essary to increase speed and ical numerical analysis, with em­ off the time required to bring a utility of scientific programming phasis on problems related to power plant from preliminary de­ efforts. physics and engineering. Must be sign to the product stage. PRINCIPAL MATHEMATICIAN: able to communicate effectively As the program to create nuclear with physicists and engineers and power systems for aircraft pro­ (PhD up to 5 years experience use high speed computing ma­ or M5 up to 10 years), to apply chinery as an. effective tool. gresses, problems become more advanced mathematical analysis complex and the time element to diverse problems, including Please send resume including more pressing. This has opened schedulinp; and fiscal aspects of salary requirements, to: up positions for mathematicians large scale projects; provide Mr. P. W. Christos, Div. 21-MR requiring a strong background in technical leadership to other Aircraft Nuclear Propulsion mathematical research or applica­ members of his unit engaged in' Dept., General Electric Company tions plus advanced degrees. mathematical analysis. P.O. Box 132, CinciIUlati 15, Ohio

AIRCRAFT NUCLEAR PROPULSION DEPT. GENERAL. ELECTRIC

General Automatic Corp., 12 Carlton Ave., Mountain GENERAL ELECTRIC CO., Schenectady, N.Y. View, N.J. / CLifford 6-2756 / *C 58 Computing service: analog; network analyzer AC Electro-mechanical relays / RMSa ?s Se(1953) Ic and DC, differential analyzer; not restricted as to General Automatics, Inc., 972 Elsinore Ct., Palo Alto, users / Alc RCPa Calif. / DA 4-0360 / *C 58 GENERAL ELECTRIC CO., CAPACITOR DIV., John Special purpose analog and digital computers, auto­ Street, Hudson Falls, N.Y. / 4-3341 / *C 58 matic control equipment, automatic charge systems Capacitors: oil-paper, molded composition, electro­ / RMSCa Ss (10) Se (1954) DACc lytic, plastic, film, etc., for computer circuits and GENERAL CERAMICS CORPORATION, Crows Mill other uses / RMSa Ic Rd., Keasbey, N.J. (near Perth Amboy) / VAlley F. R. Flood, Mgr. - Sales, Electrolytic Capacitors 6-5100 / *C 58 / D. F. Warner, Mgr. - Sales, Specialty Capacitors Ferrites, technical ceramics, magnetic memory cores GENERAL ELECTRIC CO., COMPUTER DEPT., 1103 and storage planes, memories, ceramic to metal N. Central Ave., Phoenix, Ariz. / ALpine 4-3171 / :::C 58 seals; insulators; terminals / RMSa Ls(500) Le (1906) Ie Computing systems (analog and digital) and com­ puting and consulting services for industry, busi­ General Controls Co., 801 Allen Ave., Glendale 1, Calif. ness, and military; amplifiers, automatic controls / VIctoria 9-2181 / *C 58 and equipment; arithmetical and logical packaged Automatic controls for pressure, temperature, level circuits; information converters of all types; elec­ and flow for home, industry and the military; tronic counters, generators, integrators, and mul­ counters; switches / RMSa Ls (2500) Me (1930) Cc tipliers; inventory and magnetic storage systems; General Cybernetics Corp., affiliate of The Angle Com­ regulated power supplies; character readers; shift puter Co., Inc., 1751 No. Coronado St., Los Angeles registers / RMSCa Ls(700) Se(1956) DAc 26, Calif. / Normandy 3-1300 / *C C. C. Lasher, Mgr. Mktg. / G. C. Trotter, Mgr. Linear motion transducer reporting 1/10,000 of an Sales inch position change; high-speed converter of GENERAL ELECTRIC CO., ELECTRONIC COMPO­ punched cards to tape; industrial automation, elec­ NENTS DEPT., 1811 Lemoyne Ave., Syracuse, N.Y. tronic gages for automation processes, etc. Suc­ Delay lines; magnetic cores / Ie RMSa cessor of General Cybernetics Associates / Ss (18) GENERAL ELECTRIC CO., LIGHT MILITARY . Se(1953) DAICc RCMSa ELECTRONIC EQUIPMENT DEPT., French Rd., [ 33 ] Utica, N.V. / 5-3311 I *C 58 DEPT., 11840 W. Olympic Blvd., Los Angeles 64, Airborne computers for military use, both analog Calif. I GRanite 9-7765 I *C 58 and digital; magnetic cores, germanium and silicon Industrial and computer electronic tubes; com­ diodes, analog to digital and digital to analog con­ mercial glass, metal, and miniature tubes; military verters I RMSa Ls(3,000) Se(1952) DAc miniature, subminiature, and ceramic tubes; com­ C. D. Brown, Mgr. Mktg. / G. R. Harris, Mgr., puter tubes specially designed and manufactured to Sales meet the requirements of all types of computers GENERAL ELECfRIC CO., RECTIFIER DEPT., RMSa ?s ?e DAle Mountain View Rd., Lynchburg, Va. I 3-6571 / *C 58 GENERAL INSTRUMENT CORP., AUTOMATIC DC power supplies for computers or computer sys­ MANUFACTURING DIV., 65 Gouverneur St., New­ tems; airborne transformer-rectifiers for DC power; ark 4, N.J. I HU 5-2100 I *C 58 military, industrial, and special purpose, complete Silicon rectifiers, silicon diodes, silicon power di­ DC power systems or components I RMSCa Ls odes, I. F. transformers I RMSa ?s Le( 1923) Ie (800) Le(1916) DAle M. Cohen, Pres. I M. Shapiro, Exec. V.P. W. F. Greenwood, Mgr., Marketing - Rectifier GENERAL KINETICS INCORPORATED, 555 23rd Dept. I J. R. Topper, Mgr. Computer Power Sup­ St. South, Arlington 2, Va. I OTis 4-7555 I *C 58 plies Sales Services to digital computer users and manufac­ GENERAL ELECTRIC CO., SEMICONDUcrOR turers: mathematical studies; numerical analysis; PRODUCTS DEPT., 1224 W. Genesee St., Syracuse, programming services for major general purpose N.V. / GRanite 6-4411 I *C 58 computers; data reduction services; system stUdies Germanium and silicon transistors (signal and and evaluation including operations research; con­ power); rectifiers (cells and stacks); germanium struction, modification, and repair of peripheral and silicon diodes; silicon unijunction transistors equipment and special components; estimates pre­ and silicon controlled rectifiers; delay lines, mag­ pared for each job I RMCa Ss(20) Se(1954) DIe netic cores I RMSa Ie A. E. Roberts, Jr., Vice-Pres. I W. L. Anderson, J. H. Sweeney, Mgr., Mktg. I W. O. Hoverman, Vice-Pres. Mgr. of Sales General Precision Laboratory, 63 Bedford Road, Pleas­ GENERAL ELECfRIC CO., SPECIALTY ELEC­ antville, N.Y. / ROgers 9-5000 I *C TRONIC COMPONENTS DEPT., West Genesee St., Rapid electronic analysis of punch card data, etc. Auburn, N.Y. / 3-7321 I *C 58 I Ls(1200) Se(1945) Dlc RMSa Computer elements: shift registers, decade count­ General Research Co., 603 Jackson St., Falls Church, Va. ers, computer packaged and potted circuits, delay I Je 4-7622 lines, embedded assemblies and components, square Consulting services: applications of data processing loop ferrite memory cores; computer services / equipment; operation of computer installations / RMSa Ls(500) Se(1951) Ic Ss Se Dc RCPa C. G. Lloyd, Dept. Gen. Mgr. / E. A. MaIling, General Transistor Corp., 91-27 138th PI., Jamaica 35, Dept. Mgr. of Mktg. N.Y. I HIckory 1-1000 I *C 58 GENERAL ELECTRIC CO., RECEIVING TUBE Transistors - germanium and silicon types; recti­ DEPT., 316 E. 9th St., Owensboro, Ky. / - I *C 58 fiers, precision resistors; germanium and silicon Industrial and computer electronic tubes; commer­ diodes, semiconductors, magnetic reading and re­ cial glass, metal, and miniature tubes; military mini­ cording heads I RMSa Ls(525) Se(1954) Ie ature, . subminiature and ceramic tubes; computer GENISCO, INC., 2233 Federal Ave., Los Angeles 64, tubes especially designed and manufactured to meet Calif. I BR 2-2706, GR 8-1276 I *C 58 the requirements of all types of computers I RMSa Computer components of electro-mechanical type; ?s ?e DAle transducers, analog-to-digital converters, accelerom­ GENERAL ELECTRIC CO., RECEIVING TUBE eters, pressure transducers, x-y digital output film DEPT., 200 Main Ave., Clifton, N.J. I GRegory reader, components for automation and automatic 3-6387 I *C 58 control; missile and aircraft auto pilot control trans­ Industrial and computer electronic tubes; commer­ ducers; simulation devices, gravity force centri­ cial glass, metal, and miniature tubes; military min­ fuges; oscillating, rate· of return, vibration, and iature, subminiature, and ceramic tubes. Computer single axis simulators; noise and band pass filters; tubes specially designed and manufactured to meet computer and control panel signal lights I RMSCa the requirements of all types of computers I RMSa Ms(135) Se(1947) Ic ?s ?e DAlc E. C. Burkhart, Pres. I R. E. Brown, VP-Engrg. GENERAL ELECTRIC CO., RECEIVING TUBE Georgia Institute of Technology, Rich Electronic Com­ DEPT., 3800 N. Milwaukee Ave., Chicago 41, Ill. I puter Center, Engineering Experiment Station, At­ SPring 7-1600 I *C 58 lanta 13, Ga. I TR 4-6331 I *C 58 Industrial and computer electronic tubes; commer­ Computing service: Univac Scientific (ERA 1101), cial glass, metal, and miniature tubes; military mini­ IBM 650, analog I RCPa Ss(21) Se(1955) DAc ature, subminiature, and ceramic tubes; computer THE GEOTECHNICAL CORP., 3712 Haggar Dr., Dal- tubes specially designed and manufactured to meet las 9, Tex. I FL 7-1721 I *C 58 the requirements of all types of computers I RMSa Analog long distance data telemetering system~ for ?s ?e DAle remote computing, recording, and simulating; data GENERAL ELECTRIC CO., RECEIVING TUBE processing machinery; geophysical apparatus; in- [ 34 ] r I Avco's rapidly expanding Research and Development Programs have created immediate openings for Mathe~aticiaDS to solve engineering problems 111111111111111111111111111111111111111111111111111111IIII 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111I NUMERICAL ANALYSTS Preferably with advanced degrees in mathematics and consider­ I able experience in analysis for high speed computers. PROGRAMMERS and APPLIED MATHEMATICIANS Experienced in digital and analog computers for problem solution and development of programming techniques.

1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 Send your resume to: Those chosen for these positions will enjoy excellent Dr. R. W. Johnston growth opportunities, pleasant working conditions, Scientific and and a modern fringe benefits program that includes Technical Relations a liberal company-sponsored educational plan. Your reply will be accorded absolute confidence and you will receive a prompt answer. reo llesearcn tf ;fr/vancetll/eve/opment 20 South Union St., Lawrence, Mass.

formation retrieval devices; scanners; terminals; essing devices using AC or DC analog or digital translating equipment; custom analog and digital computing techniques. Goodyear electronic dif­ computers; multichannel low-frequency data re­ ferential analyzers (GEDA) I RMSa Ls(10,000) corders; fully automatic chart reader (curve fol­ Le(1925) DACc lower) with optional output conversion units and Gordon Ent~rprises, 5362 NO,rth Cahuenga Blvd., North computing units; amplifiers; data recording cam­ Hollywood, Calif. I ST 7-5267 I *C 58 eras; information converters I RMSa Ms(175) Me Photographic data recording cameras, photographic (1936) DAle instrumentation, and accessories I RMSC(service W. B. Heroy, Pres. I J. H. Hamilton, Ch. Engr. and repair)a MS(100) Me(1946) Ic The Gerber Scientific Instrument Co., 162 State St., GPS Instrument Co., 180 Needham St., Newton, Mass. Hartford, Conn. I Chapel 6-8539 I *C 58 Graphical-numerical computers. Relays, motors I Computing services I RCa Ss (20) Ac Ss Se(1948) Ic RMSa Guardian Electric Manufacturing Company, 1621 W. Walnut St., Chicago 12, Ill. I CHesapeake 3-1100 I G. M. Giannini & Co., Datex Division - see Datex *C 58 Division of G. M. Giannini & Co. Electro-magnetic controls, complete control systems, GILLE ASSOCIATES, Inc., 956 Maccabees Bldg., De- components for computers; relays, solenoids, troit 2, Mich. I Te 3-3454 I *C 58 switches, stepping relays, hermetically sealed ele­ Publishers of "The Punched Card Machine Ac­ ments, etc. I RMSa Ls(1000) Se(1957) Ie counting and Data Processing Semi-Annual" I Ss Gudeman Co. of Calif., 9200 Exposition Blvd., Los (8) Se(1951) Ic MSa Angeles 34, Calif. I Texas 0-7317 Frank H. Gille, Publisher I D. A. Talucci, Editor Delay lines, pulse transformers, filter networks I Gilmore Industries, Inc., 13015 Woodland Ave., Cleve- Ie RMSa land 20, Ohio I RA 1-6400 I *C 58 Gudeman Co., Dilectron Div. - see Dilectron Div., Electronic control and data handling equipment; Gudeman Co. scanners, analog to digital converters, card to mag­ Gulton Industries, Inc., 212 Durham Ave., Metuchen, netic tape and paper tape converters, automatic con­ N.J. I LIberty 8-2800 I *C 58 trols and equipment I RMSCa Ss (30) ?e DICc Electronic and electro-mechanical components, in­ Goodyear Aircraft Corp., 1210 Massillon Rd., Akron 15, struments, and systems. Magnetic amplifiers, ca­ Ohio I REpublic 3-6361 I *C 58 pacitors, printed circuits, resistant coatings, coils, Large scale digitally controlled analog computers. connectors, consulting services, automatic controls, Special purpose computers. Control and data proc- delay lines, memory systems, regulated power sup ..

[ 35 ] plies, magnetic tape recorders, telemetering systems, AC and DC timing motors., custom designed timing transformers / RMSCa Ls (800) Me(1942) ICc devices, elapsed time indicators, electronic timers, time delay relays, intervalometers, repeat cycle tim­ H ers, stop clocks, subminiature timers. Automatic Hallamore Electronics Co., Div. of The Siegler Corp., controls, Tachometers / RMSa Ls(500) Me(1946) 8352 Brookhurst Ave., Anaheim, Calif. / PRospect ICc 4-1010 / *C 58 Heath Co., Benton Harbor, Mich. Instrumentation and telemetering systems / RMSa Assembiable electronic analog computer kit I. DAlc ?s ?e Ie RMSa Haller, Raymond, and Brown, Inc., Division of Singer Helipot Corp., Newport Beach, Calif. / LIberty 8-0611 Mfg. Co., Circleville Road, State College, Pa. / ADam / *C 58 7-7611 / also 149 Broadway, New York 6, N.Y. / Precision potentiometers, single-and-multiturn, lin­ *C58 ear and non-linear; rotating components, monitor­ Special purpose electronic digital computers; ing and control components, standard electrome­ weapons systems; systems engineering; electronic chanical breadboard parts; turns-counting dials; systems; industrial psychology; tape recording de­ magnetic clutches; delay lines; silicon diodes; syn­ vices; data handling systems / RMSCa Ms (200) Se chros / RMSa LS(800) Me(1943) Ic (1947) DAc HILLBURN ELECTRONIC PRODUCTS CO., 55 Nas- Hall-Scott, Inc., 2950 Ontario St., Burbank, Calif. ! sau Ave., Brooklyn 22, N.Y. / STagg 2-3875 / *C 58 VI 9-2341 / *C 57 Relays, solenoids, counters, for computer and other Analog computers and components / Ms (250) Le uses / RMSa Ms Me( 1945) Ie Ac RMSa B. S. Gilman, Gen. Mgr. HAMMARLUND MFG. COMPANY, INC., 460 West Hillyer Instrument Co., 54 Lafayette St., New York 13, 34th St., New York 1, N.Y. / LOngacre 5-1300 / N.Y. / Digby 9-4485 / *C *C58 Simulators, servomechanisms, sensing, computing, Centralized operations control equipment. Audio and actuating systems. Automatic machine controls tone signalling, pulse counting, pulse width selec­ / MS(100) Se(1945) DAISCc RMSa tion, alarm systems, telemetering systems. Capaci­ tors. Complete systems installation / RMSa Ms HOFFMAN ELECTRONICS CORP., SEMICONDUC­ (350) Le(1910) ICc TOR DIV., 930 Pitner Ave., Evanston, Ill. / Uni­ Lloyd Hammarlund, Pres. / L. C. Menkes, Sales versity 9-9850 / *C 58 Mgr. "Fast recovery" diodes, "Zener glass" switching di­ odes, "Zener" power regulators, general purpose HARRISON LABORATORIES, INC., 45 Industrial diodes, medium power rectifiers, high power rec­ Rd., Berkeley Heights, N.J. / CRestview 3-9123 / tifiers, "Zener Reference" units, silicon photo­ *C58 Transistor and vacuum tube regulators / RMSa Ss voltaic readout cells / RMSa Ls(500) Se(1953) Ie R. N. Golbach, VP - Marketing / H. Schoemehl, (20) Se(1954) Ie Ch. Sales Eng. C. W. Harrison, Pres. / A. M. Darbie, Eng. Hogan Laboratories, Inc., 155 Perry St., New York 14, Harvard University, Harvard Computation Laboratory, N.Y.-Have discontinued manufacture of computers. Cambridge 38, Mass. / *C 57 Builder of Harvard Mark I, II, Ill, IV calculators N. V. Hollandse Signaalapparaten, Hengelo (0), Neth- - for Navy, Air Force, and own use. Computing erlands / *C 57 service: digital; Harvard Mark I and IV, and Uni­ Radar fire control systems and their computers for vac I machines / Ms Me (1941) Dc RCPMa different types of armament. Directors, computers, HARVEY WELLS ELECTRONICS, INC., Research and trackers and radar systems for finding targets, then Development Div., 5168 Washington St., W. Roxbury automatically sighting the guns under their control 32, Mass. / FA 3-4255 / *C 58 / Ls(1800) Le(1922) DAICc RMSa Computer packaged circuits; five megacycle circuits HOOVER ELECTRONICS CO., 110 W. Timonium (Data Bloc and Data Pac); custom digital systems Rd., Timonium, Md. / VAlley 5-5200 / *C 58 / RMSCA Ms(35) ?e DCc Data processing systems, reversible analog-to-digi­ R. A. Mahler, Pres. / A. C. Westborn, R&D Di­ tal converters. Digital computers subassemblies. rector Sequential test sets. Telemetering systems. Logical Cecil Hastings, Jr., 136 Kuuala St., Kailua, Hawaii / Kai and arithmetical, packaged circuits. Power supplies 251528 / *C 58 / RMSa Ms(150) Se(1952) DAle , Approximations for digital computers / Ss Se J. M. Pearce, VP - Gen. Mgr. / P. A. Hoffman, (1954) Dc RCPa VP - Operations Hathaway Instrument Co. (subsidiary of Hamilton Huck Co., 37 Wall St., New York 5, N.Y. / Digby Watch CoJ, 1315 So. Clarkson St., Denver 10, Colo. 4-4750 / *C 56 / Spruce 7-2696 / *C Card sensing and punching units for computer in­ Transducers, analog and digital recorders, oscillo­ put-output / Ms(125) Me(1945) Dc RMSCa graphs, circuit analysis, etc. / Ms (80) Me (1939) Hughes Products, Semiconductor Div., Hughes Aircraft Ic RCMSa Co., International Airport Station, Los Angeles 45, .iJ1e A. W. Haydon Co., 232 N. Elm St., Waterbury, Calif. / OR 2-5011 / *C 58 _ . Conn. / PL 6-4481 / *C 58 Semiconductor diodes - germanium and silicon [ 36 J types; rectifiers, silicon capacitors, germanium and Imperial College, Mathematics Dept., Computer Sec­ silicon transistors / RMSa Ls (2000) ?e Ic tion, Huxley Bldg., Exhibition Road, So. Kensington~ HUGHES RESEARCH AND DEVELOPMENT LAB­ London, England ORATORIES, HUGHES AIRCRAFT CO., Culver Automatic digital relay computer constructed and City, Calif. / EXmont 8-2711 / *C 58 in operation; constructing a second computer with Automatic data-handling systems for commercial neon tube storage / Ss Le(1922) Dc RMa and military applications. Industrial control sys­ The Indiana Steel Products Co., 405 Elm St., Valparaiso» terms. Small, automatic, electronic digital and an­ Ind. / 2-5601 / *C 58 alog computers for airborne use. Fire-control equip­ Permanent magnets and magnetic cores (wound ment. Aircraft control. Guided missiles. Digital type) / RMSCa Ls(800) Le(1908) Ie controls; semiconductor devices; magnetic cards; Industrial Control Co., 805 Albin Ave., Lindenhurst~ automatic control equipment; diodes; data proces­ L.I., N.Y. / MOhawk 1-6060 / *C 58 sing machinery; rectifiers; transistors / Ls(15,000 Servo amplifiers, servo multipliers, automatic con­ company; 5,000 Res. and Devt. Labs.; 400 com­ trols and instrumentation / RMSa Ss (15) ?e CIe puters) Me(1937) DACc RMSa INDUSTRIAL NUCLEONICS CORP., 1205 Chesa­ Hycon Eastern Inc., 75 Cambridge Parkway, Cambridge peake Ave., Columbus 12, Ohio / Hudson 8-0671 / 42, Mass. *C 58 Analog data reduction systems, magnetic tape han­ "AccuRay" industrial process control systems, non­ dlers, etc. / Ie RMSa contacting, continuous measurement. Choppers, op­ HYDRO MOLDING CO., INC., 100 Sharron Ave., erational amplifiers, analog to digital converters / Plattsburgh, N.Y. / 2598 / *C 58 RMSa Ms(375) Se(1951) Cc Precision molded bobbins, screws and custom W. E. Van Horne, Gen. Sales Mgr. / D. A. Bossen, molded components; complete engineering and Process Industry Mgr. tool room facilities / RMSa / Ms( 60) Se( 1949) Ic Institut Blaise Pascal, Laboratoire du Calcul, Mecanique, S. Levites, Sales / William E. Hoffmann, Engineer­ 25, Avenue de la Division Le Clerc, Chatillon-sous­ ing Bagneux (Seine), France / *C 56 I Constructing a digital calculator / Ss (9) Me.(1939) Imtra Corp., 11 University Rd., Cambridge 38, Mass. / Dc RPa UN 4-4350 / *C 58 Institute for Advanced Study, Electronic Computer Proj­ Magnetic storage drums, etc. / Ba Ic ect, Princeton, N.J. / PR 1-4400 / *C

~ONTINUED GROW'TD TESTIFIES TO GOOD SERVI~E ••• and Demands Further Expansion

The steady growth of our Computer Services Divi­ these places and our Research Center upon request. sion Over the past months has required us to increase And in the Machine Room itself, of course, every from one to four the number of completely equipped effort is made to meet the particular needs of each offices set aside for the exclusive use of our clients. client. On top of this, we offer also what are, to our But this is only one of the reasons why our clients' knowledge, the lowest IBM 704 hourly rates of any representatives are pleased at their company's decision computing service organization in the country. to have their computing done at CEIR. Other ad­ vantages include our extremely convenient location: * TV' e must increase our staff of programmers as rapidly as possible. If you have 704 programming Only five minutes ride from the National Airport, for experience, please get in touch with us at once. example, to our Research Center, and only five min­ We offer extremely interesting work of far-reach­ ing importance, a congenial professional environ­ utes ride from the largest Motor Hotel in the country. ment, substantial "fringe" benefits, and relocation Moreover, we provide the transportation between expenses. Enclose a resume with your first letter. ------_. ------'-1 CEIR-1200 Jefferson Davis Highway, Arlington 2, Va. I I o Please contact uS about possible 704 computing work. I o Please contact us about possible programming work. I I o ...... J CORPORATION FOR ECONOMIC and Name ...... Title ...... INDUSTRIAL RESEARCH

Organization ...... Main Office: 734 Fifteenth Street, N.W., Washington, D.C. Research Center: Address ...... ,...... 1200 Jefferson Davis Highway, Arlington i, Virginia

[ 37 } High speed general purpose (scientific) digital Resistors, selenium rectifiers, diodes, related elec­ computers for own use / Ss(35) Se(1946) Dc RPa tronic components for computer and other uses / The Institute of Management Sciences, 250 North Street, LS(2300) Me(1926) Ic RMSa White Plains, N.Y. / *C 58 International Telemeter Corp., 2000 Stoner Ave., Los Non-profit membership organization, publishers pi Angeles 25, Calif. / GRanite 8-7751 / *C 57 quarterly journal "Management Science" / PCa ?s Systems and devices for clerical and control applica­ Se(1954) Ie tions. Automatic document-handling machinery. Instrument Components, Inc., College Point, N.Y.­ High-density photographic information storage. company no longer in business Community TV system equipment; pay-as-you-see Instrument Development Labs., Inc., 67 Mechanic St., TV. SEE also Telemeter Magnetics Inc. / Ms(100) Attleboro, Mass. Se(1950) DCc RMSCa Analog-to-digital converters, analog (color differ­ International Telephone and Telegraph Corp., 67 Broad ence) computers / AIe RMSa . St., New York 4, N.Y. / Bowling Green 9-3800 / *C Equipment for automatic control of repetitive proc­ Instr~ment Society of America, 313 Sixth Ave., Pitts- esses, clerical or industrial work, such as inven­ burgh 22, Pa. / ATlantic 1-3171 / *C 58 tories. Fully automatic pneumatic tube system, by Professional and technical society serving the field dialing / Ls (96,000) Le DASCMc RMSCPa of instrumentation systems and automatic control. Publishes "ISA Journal" / PCa Ss(27) Me(1945) Ic J Intelligent Machines Research Corp., 719 Edsall Rd., Bill Jack Scientific Instrument Co., 143 Cedros Ave., Alexandria, Va. / FL 4-5000 / *C 58 Solana Beach, Calif. / Skyline 5-1551 / *C Automatic character sensing (reading) equipment, Airborne analog computers for "Recon" systems, pattern interpretation equipment, sensing mechan­ aerial cameras; recording cameras; etc. / Ms (450) isms, digital computer elements / RMSa Ms (50) Se(1949) DIe RMSa Se (1950) DIc Jacobs Instrument Co., 4718 Bethesda Ave., Bethesda Intercontinental Dynamics Corp., 170 Coolidge Ave., 14, Md. / *C Englewood, N.J. / LOwell 7-3600 / *C 58 High-speed small, compact digital computers. Pulse Sigmatron*, electronic generators of statistical func­ transformers, delay lines, magnetic storage systems. tions: Gaussian, Rayleigh, Poisson, uniform dis­ Pulse generators, test equipment. Input and output tribution. With and without regulated power sup­ devices. Complete instrument systems / Ss(30?) plies. Input-output devices / RMSa Ss (35) Se Se(1948) DASCc RMSa (1956) Ic Jefferson Electric Co., 910 S. 25th Ave., Bellwood, Ill. / *Registered MAnsfield 6-7161 / *C 58 INTERNATIONAL BUSINESS MACHINES CORP., Constant voltage and low voltage control trans­ 590 Madison Ave., New York 22, N.Y. / Plaza 3-1900 formers / Ma Ls (1600) Le (1915) Ie / *C 58 Jefferson Electronic Products Corp., 322 State St., Santa Punch card machines. IBM 650, magnetic drum Barbara, Calif. / WOodland 5-8505 / *C 58 computer. IBM 704 and 705, automatic electronic Molded cables and braided wiring harness assem­ computers with magnetic tape and magnetic core blies; electronic, electrical, electromechanical, pre­ storage. IBM 632, electronic typing calculator. cision assemblies and specialized test equipment; IBM 610, automatic decimal point computer. Elec­ plug-in circuits, regulated power supplies, tele­ tronic calculating punches 604 and 607. Account­ metering systems / RMSa Ms(200) Se(1953) Ie ing machines and data processing equipment, etc. / Jet Propulsion Laboratory, California Institute of Tech­ RMSa Ls(84,000) Le(1911) Ie nology, 4800 Oak Grove Drive, Pasadena 3, Calif. / INTERNATIONAL BUSINESS MACHINES CORP., *C DATA PROCESSING DIV., 112 East Post Road, Analog, digital, and data-handling systems. Re­ White Plains, N.Y. / White Plains 9-1900 / *C 58 search and development in jet propulsion and mis­ Automatic data processing machines; punch card sile guidance / Ls (1,200; about 50 on computers) machines, and accounting machines. IBM 650, mag­ Me(1942) DAc RCPa netic drum computer. IBM 704 and 705, automatic Johnson Electronics Inc., P.O. Box 1675, Casselberry, electronic computers with magnetic tape and mag­ Fla. / MIdway 4-3311 / *C 58 netic core storage. IBM 632, electronic typing cal­ Precision electronic components in the coil field; culator. IBM 610, automatic decimal point com­ development, design, prototypes; magnetic ampli­ puter. Electronic calculating punches, 604 and 607 fiers, delay lines, embedded assemblies and compo­ / RMSa Ls(84,000) Le(1911) Ie nents, pulse transformers / RMSCa Ms (80) Se International Rectifier Corp., 1521 East Grand Ave., EI (1951) Ic Segundo, Calif. / Oregon 8-6281 / *C Germanium diodes, selenium diodes, selenium K photocells, selenium rectifiers / Ms (390) Se (1947) Kaiser Metal Products, Inc., Briston, Pa. / Stillwell Ic RMSa 8-3361 / *C International Resistance Co., 401 N. Broad St., Phila­ Digital delay generators for accurate measurement delphia 8, Pa. / WAlnut 2-2166 / *C 57 and generation of time intervals, etc. Automatic

[ 38 ] , Save design time, avoid assembly headaches with General Electric custom-designed DC power supplies

NO PROBLEM TOO GREAT ••• • • • NO PROBLEM TOO SMALL!

Individual packages

Complete systems Partial systems

Subcontract your power supply problems to General Electric! Whether your requirements can be met by the existing, completely engineered supplies we have on hand-or involve custom-packaging of "building blocks"-or call for altogether new designs-give us the power supply system responsibility! Consult your local Apparatus Sales Office, or write for bulletin GEA-6690 to Section C46S-S, General Electric Co., Rectifier Dept., Lynchburg, Va;

Progres~ Is OfJr Most Imporlllnf ProtlfJ~f GENERAL. ELECTRIC

[ 39} electronic controls for industrial· applications / Ls A. KIMBALL CO., subsidiary of United Shoe Machinery (3,500) Le(1920) Ie RMSa Corp., Rewe St., Brooklyn 11, N.Y. I STagg 2-2701 / Kay Electric Co., Maple Ave., Pine Brook, N.J. / CA *C58 6-4000 / *C 58 Machine for printing and punching garment tags, Spectrum analyzers; sound spectographs, sweeping and other print-punch machines, reading devices, oscillators, plug-in circuits, test equipment, con­ and input mechanisms I RMSCa Ms( 439) Le verters, generators, translating equi pment, noise (1876) Ic generators / RMSCa Ms(100) Me(1942) Ie L. J. Waters, Pres. I J. C. Quinn, Jr., VP - Sales Kaye Development Co., Connecticut Ave., S. Norwalk, Kleinschmidt, Inc., Deerfield, Ill. / Deerfield lOOP I *C Conn. . Page printing read-out devices, tape reading and Data processing; punch card machines / Ie RMSa tape punching equipment I Ls(650) Se(1946) Ie KCS DATA CONTROL, LTD., 20 Spadina Rd., To- RMSCa ronto, Ontario, Canada / WAlnut 4-3381 / *C 58 Th~ Walter S. Kraus Co., 48-02 43 St., Woodside 77, Consultants : ~lectronic computing, data proces­ N.Y. I STillwell 4-5922 I *C 58 sing, operations research, economic surveys, statis­ Electronic controls for addressing machines, exact tical analyses, feasibility studies. Services: high spacing controls I RMSa Ss(12) Se(1956, this div.) speed computing, data processing, tabulating / Ie RCa Ss(45) Se(1954) Dc The Kybernetes Corp., Division of Self-Winding cldck Dr. Josef Kates, Pres. I Prof. B. A. Griffith, VP­ Co., 75 Varick St., New York 13, N.Y. I CAnal Research Div. 6-6800 I *C 58 Kearfott Co., Inc., Clifton, N.J. I Gregory 2-1000 I *C Automatic industrial data processing, digital print­ Analog-digital converter; digital-analog converter; out and digital indicator systems. Temperature servo motors, synchros, resolvers, integrating tach­ (thermocouple) indicator monitors with annuncia­ ometer generators; analog and digital computers / tion I Ms(200) Le(1885, parent company) DICc Ls(3000) Le(1916) DAISc RMSa RMSa GEORGE F. KELK, LTD., 130 Willowdale Ave., Wi!- lowdale, Ontario, Canada I BA 5-7724 I *C 58 L Custom design of analog or digital data handling LABORATORY FOR ELECTRONICS, INC., COM­ systems. Custom test and process control equip­ PUTER PRODUCTS DIV., 141 Malden St., Boston ment I MCa Ss(12) Se(1953) DAc G. F. Kelk, Pres. I F. M. Hanna, Asst. Mgr. 18, Mass. I HAncock 6-8875 I *C 58 HD (high density) file, magnetic drums and heads, Kellogg Switchboard & Supply Co., 6650 So. Cicero magnetic bulk storage device for use with data proc­ Ave., Chicago 38, Ill. I PO 7-6900 I *C 58 essing or computer systems. SM symbol generator Wire transmission equipment, telephone switching and viewer. Special digital systems designed to cus­ equipment, digital computing equipment, radio tomer requirements. Advanced research in special multiplexing equipment I RMSa Ls(4000) Le devices and applied physics for the computer field. (1897) DIc Computer components. Data processing and re­ Kelt Corporation, 4526 Chickering Ave., Cincinnati 35, cording equipment. Digital computers. Informa­ Ohio tion retrieval devices; photoelectric readers, print­ Analog computers, data p~ocessing I DAle RMSa ers, visual output devices I RMSa Ls( 890) Me Kelvin Electric Co., 5907 Noble Ave., Van Nuys, Calif. (1946) MAIc I State 2-6662 I *C 58 R. C. Kelner, Gen. Mgr. I S. P. Blumenthal, Sales Precision wire-wound resistors I RMSa Ss (31) Se Eng. (1957) Ie LANDIS & GYR, INC., 45 W. 45th St., New York 36, Kemtron Electron Products Inc., 14 Prince PI., New- N.Y. I JUdson 6-4644 I *C 58 buryport, Mass. HOmestead 2-4464 *C 58 . I I Impulse counters, predetermining impulse count­ Semi-conductors, silicon and germanium diodes, in­ ers, single decade impulse counters with auxiliary cluding microwave, power, and computer types / contacts I RMSa Ss(12 this div.; Switzerland, 4000) RMSa Ms Se(1948) Ie Le(1927) Ie Kepco Laboratori~s, Inc., 131-38 Sanford Ave., Flushing M. Wiesendanger, Exec. VP 55, N.Y. I IN 1-700 I *C 58 Power supplies, voltage or current regulated; mag­ Lansdale Tube Co., Div. of Philco Corp., Lansdale, Pa. netic transistorized, and vacuum tube types; relays; I ULysses 5-4681 I *C 58 , transistors I RMSa Ms(100) Me(1946) Ic Transistors, diodes, tubes for computers 1 ,Ls (3000) Me(1942) Ie RMSCa .- Ketay Mfg. Co. - see Norden-Ketay Corp. Key Electric Corp., 287 Post Ave., Westbury, N.Y. Lanston Industries, Inc., 24th at Locust, philadelphia 3, Photoelectric tape readers, magnetic tape handlers, Pa. I LO 7-4614 I *C 58 magnetic tape recorders I Ic RMSa Barrett adding machines: 10 key adding machines Walter Kidde & Co., Inc., 441 Main Street, Belleville with direct subtraction, visible dials, printed tape 9, N.J. I PLymouth 9-5000 I *C 58 I RMSa Ms(400) Le(18~2) Lc. Fire detecting and extinguishing equipment, photo­ Lapp Insulator Co. Inc., Radio Specialties Div., 130 Sum- electric and ultrasonic burglar alarm systems. An­ ner St., LeRoy, N.Y. ./ alog computers I RMSa Ls (1460) Le(1917) Ie Magnetic cores, resistors I Ie RMSa [40 J Leeds & Northrup Co., 4970 Stenton Ave., Philadelphia 44, Pa. / DAvenport 9-4900 / *C 58 Null-balance electronic instruments for indicating, recording, controlling and telemetering; potenti­ ometers, plotters, automatic control systems. Ana­ log computers for closed-loop control of power company networks / RMSa Ls (3000) Le (1899) AICc Lehigh University, Computing Laboratory, Packard Lab­ Switching oratory, Bethlehem, Pa. / UN 7-5071 ext. 355 / *C 58 Computing service using LGP-30 / RCP (train­ ing)a Ss Se(1957) Dc Leonard Electric Products Co., Inc., 67-34 St., Brooklyn Circuits and 32, N.Y. Delay lines, magnetic cores / Ie RMSa Harry Levinson Co., 1117 2nd Ave., Seattle, Wash. / Main 2-5433 / *C 58 Logical Design Analog computers / Sa Ss (2) Se (1954) Ac Lewyt Mfg. Corp., Long Island City 1, N.Y. / EX 2-5050 / *C By SAMUEL H. CALDWELL, Massachusetts Institute of Technology Data processing equipment. CDT (Coordinate A clear and practical presentation of fundamental principles which Data Transmitter System) which screens, interprets, gives a better understanding of the complexities involved in the and codes radar information for transmission over design of switching circuits. The book deals with the methods used to handle the problems of circuit synthesis using various kinds telephone lines / Dc RMSa of components. LIBRAS COPE, INC., 808 Western Ave., Glendale 1, Chapter Headings: Properties and Applications of Switching Cir­ Calif. / CHapman 5-7511 / *C 58 cuits. Switching Components and Their Characteristics. Switching Algebra. Series-Parallel Contact Networks. Minimization Methods. Computers (analog, digital, special purpose for Multi-Terminal Contact Networks. Symmetric Functions. Synthe­ commercial and military operations); LGP-30: low­ sis of Non-Series-Parallel Contact Networks. Electronic and Solid price, large capacity, general purpose digital com­ State Devices in Combinational Switching Circuits. Switching Aspects of Codes. Iterative Networks. Synthesis of Sequential puter. All phases of data-handling and mechanical, Circuits. Secondary Assignment Methods. Sequential Circuits Us­ electrical, and electronic computer components. See ing Electronic and Solid-State Elements. Pulsed Sequential Circuits. also Royal McBee Corp. / RMSa Ls(1500) Me Appendices. (1937) DAICc 1958 686 pages Illus. $1,4000 C. W. Imm, Pres. / W. E. Bratton, VP - Opera­ tions NOTES ON ANALOG-DIGITAL CONVERSION Librascope, Inc., Burbank Div., 133 E. Santa Anita Ave., TECHNIQUES Burbank, Calif. / Th 5-1785 or Vi 9-1351 / *C Magnetic "decision" elements; general purpose Prepared by Staff Members of the M.LT. Servomechanisms Laboratory, ~LFRED K. SUSSKIND, M.I.T., Editor. computer; reading-recording p1agnetic heads; con­ Based on the 1957 M.I.T. Special Summer Program on Analog­ verters; magnetic tape demagnetizers, etc. Form­ Digital Conversion Techniques. Provides valuable background erly Minnesota Electronics Co rp. / Ms (55) Se material on sampling, quantizing, and coding. Co-published by . (1946) DIe RMSa The Technology Press, M.I.T. and John Wiley & Sons, Inc . ARTHUR D. LITTLE, INC., 15 Acorn Park, Cam- 1958 410 pages Illus. $10.00

bridge 40, Mass. / UNiversity 4-5770 / *C 58 Mail this coupon TODAY for lO-day ON­ Industrial research consultants in all fields of physi­ APPROV AL copies of these new books! cal sciences, engineering, technical economics, man­ agement services. Complete computing and data JOHN WILEY & SONS, Inc. CA-68 processing services, mathematical analysis and pro­ 440 Fourth Ave., New York 16, N.Y. gramming for digital computers, operations re­ Please send me a copy of the book (s ) checked below to search, systems engineering / RCPa Ls( 1000) Le read and examine ON APPROVAL. Within 10 days I will (1886) DIe ei ther return the book (s) and owe nothing, or I will remit R. S. Stevens, Pres. / Dr. G. Kimball, Science Ad­ the full purchase price(s), plus postage. visor o SWITCHING CIRCUITS AND LOGICAL DESIGN $14.00

Littlefuse, Inc., 1865 Miner St., Des Plaines, Ill. / VA D NOTES ON ANALOG-DIGITAL CONVERSION TECHNIQUES 4-1188 / *C 58 $10.00 Fuses and fuse holders for computers and other Name ...... uses / RMSa Ms(400) Me(1930) Ie Address ...... LINK AVIATION, INC., Binghamton, N.Y. / 3-6311 *C58 City...... Zone...... State...... Flight simulators, analog computers, servo-mech­ o SAVE POSTAGE! Check here, if you ENCLOSE pay­ ment, in which case we will pay postage. Same return priv­ anisms, gear boxes, test equipment / RMSCa Ls ilege, of course! (2400) Me(1934) AICc ...... [ 41 ] H. S. Hemstreet, Tech. Dir., Binghamton Lab. I MAGNETIC METALS CO., Hayes Ave. at 21st St., M. H. Hayes, Jr., Tech. Dir., Palo Alto Lab. Camden 1, N.J. I WOodlawn 4-7842 I *C 58 Lipps Engineering, 1511 Colorado Ave., Santa Monica, Electro magnetic core parts and shields I RMSa Calif. I EXbrook 3-0449 I *C 58 Ms(400) Me(1942) Ie Micro-magnetic instruments; magnetic tape record­ H. F. Porter, VP - Exec. Eng. I W. J. Miller, VP ing and reading heads; consulting services; mem­ -Sales Mgr. ory systems; magnetic tape readers I RMSCa Ss Magnetics, Inc., Box 230, Butler, Pa. I Butler 7-1745 (15) Se(1948) Ie I *C Litton Industries, Inc., 336 N. Foothill Rd., Beverly Tape wound cores of ultra-thin high-permeability Hills, Calif. I CR 4-7411 I *C 58 materials, for computers, etc. I Ms (275) Se (1949) Radar systems with monopulse techniques; counter­ Ie RMSa measures, inertial navigation, automatic flight con­ Magnetic Research Corp., 3160 W. EI Segundo Blvd., trol, telemetering devices, communication equi p­ Hawthorne, Calif. I OSborne 5-1171 I *C 57 ment, instrumentation and test equipment, servo­ Power supplies, magnetic servo amplifiers for auto­ mechanisms. Portable, electronic scientific compu­ matic control I Ms(110) Se(1952) ICc RMSa ters (digital differential analyzer) . Accessories: MAGNETICS RESEARCH CO., INC., 255 Grove St., graph plotters, followers, tape input and output de­ White Plains, N.Y. I WH 9-9588 I *C 58 vices, digital-analog converters, and magnetic drums Magnetic components for analog and digital sys­ and heads. Advanced system design and develop­ tems and computers. Transistor driven magnetic ment. Adding machines / RMSa lS(8500) Se cally controlled counters, matrix plane switch cores, (1953) DAICc custom manufactured magnetic digital devices, Litton Industries, Components Div., 5873 Rodeo Rd., toroidal windings, computer sub-assemblies and Los Angeles 16, Calif. I VE 7-1228 I *C 58 sub-systems, magnetically operated high speed Precision components, potentiometers, delay lines. scalers, magnetic amplifiers I RMCa Ss(30) Se Electronic hardware, terminals and boards, hard­ (1951) DAle ware, printed circuits I Ma MS(150) Se(1955) le Eugene Sands, Pres. I Daniel Golden, Ch. Eng. Log Abax S. A., 146, Champs Elysees, Paris 8, France P. R. Mallory & Co., Inc., 40 S. Gray St., Indianapolis I Elysees 61-24 I *C 6, Ind. I MElrose 6-5353 I *C 58 Collaborating with Institut Blaise Pascal on com­ Silicon diodes, rectifiers, resistors, rheostats, ca­ puting devices. 198-register automatic accounting pacitors, switches, semiconductors, potentiometers, machine. Connection with punch card or comput­ for computer and other uses I RMSCa ls (4000) ing machines I Ms(700) Se(1949) Dc RMSa le(1916) Ie Loyola laboratories, Box 45074, Airport Station, Los ALAN o. MANN AND ASSOCIATES, 530 Westview Angeles 45, Calif. I ORegon 8-1686 I *C St., Philadelphia 19, Pa. I GErmantown 8-2614 / Computers, computing services I le RMSa Also: Washington, D.C. I NOrth 7-0343 I *C 5~ Management consultants specializing in systems for M integrated and electronic data processing, communi­ cations, planning and control. Services include: W. S. Macdonald & Co. - see Comptron, Inc. systems analysis and design; feasibility studies; Machine Statistics Co., 180 Varick St., New York 16, N.Y. equipment evaluation; personnel recruitment, se­ I WAtkins 4-2750 I *C 58 lection, and training; organization, facilities, and Computing service: IBM 604, punch card machines financial planning; operations research; installation I CPa Ss(35) Se(1951) Dc programs for electronic computers and other data­ Mack Electronics, a Div. of Mack Trucks, Inc., 40 leon handling equipment. Serving business, industry, St., Boston 15, Mass. I HIghlands 5-5640 I *C 58 military services, government agencies I RCPa Ss Special purpose analog and digital computers, digi­ Se( 1956) DAle tal computer elements, voltage and data converters, MARCHANT CALCULATORS, INC., 6701 San Pablo machine tool control systems, magnetic core shift Ave., Oakland 8, Calif. I *C 58 registers and logical elements, transistor circuit Automatic electric calculators ( desk type) I Ls packages, plug-in circuits, amplifiers, special in­ (2500) Le(1910) Ic RMSa strumentation equipment I RMSa ?s Se (1956) Marchant Research, Inc. - this subsidiary of Marchant DAle Calculators has been discontinued Macleod and Hanopol Inc., 10 Roland St., Charlestown Markite Corporation, 155 Waverly Place, New York 14, 29, Mass. New York I ORegon 5-1384 I *C 58 Delay lines, analog-to-digital converters I le RMSa Precision potentiometers for computer and other The Magnavox Co., 2131 Bueter Rd., Fort Wayne 4, uses I RMSa MS(140) Se(1948) Ic Indiana Massachusetts Institute of Technology, Digital Compu­ Analog-to-digital converters; analog and digital ter Laboratory, 211 Mass. Ave., Cambridge 39, Mass. computers; data processing equipment; magnetic I UNiversity 4-6900 I *C 57 drums I ls DAle RMSa "Whirlwind" electronic digital computer I Ms Magne-Pulse Corp., 140 Nassau St., New York 38, N.Y. (300+) Me(1945) DAc RCPa Delay lines; magnetic tape recorders; magnetic Massachusetts Institute of Technology, Office of Statisti­ drums I Ic RMSa cal Services, Cambridge 39, Mass. I UNiversity 4-6900 [ 42 ) Computing service: digital; IBM 604, card pro­ Mid-Century Instrumatic Corp., 611 Broadway, New grammed calculator, punch card machines / Ss Se York 12, N.Y. / SPring 7-4016 / *C 58 Dlc RCPa Electronic analog computers for industry and gov­ Mathematisch Centrum, 2e Boerhaavesstraat 49, Amster­ ernment. Precision analog computers, simulators, dam, Netherlands / *C and components and accessories thereof: test equip­ Relay computer; electronic computers; for own ment, analog to digital converters, function and use / Ms(60) Se(1946) Dc RCPa electronic generators, electronic integrators, servos, MAUREY INSTRUMENT CORP., 7924 S. Exchange electronic and diode multipliers, and regulated Ave., Chicago 17, Ill. / REgent 1-1717 / *C 58 power supplies / RMSa Ms(55) Se(1950) Ac Precision, single-turn, wi rewound potenti~meters Midwest Research Institute, 425 Volker Blvd., Kansas of standard and special capacities for use under City 10, Missouri / LOgan 1-0202 / *C 58 severe environmental conditions. Special resistance Studies in application of digital and analog com­ elements and coiled assemblies in addition to tor­ puters to business and scientific problems; Mathe­ oidal potentiometer windings / RMSa Ss (30) Se matical analysis and computation, using NCR 102A (1953) Ic and GEDA equipment in computing laboratory; E. Maurey, Jr., Pres. / R. Marlowe, VP computing service; consulting service; contract re­ The W. L. Maxson Corp., 475 Tenth Ave., New York, search / RCPa Ms(300) Me(1944) Ie N.Y. / Longacre 5-1900 / and elsewhere MILES REPRODUCER CO., INC., 812 Broadway, New Servomechanisms, analog computers, and digital York 3, N.Y. / SPring 7-7670 / *C 58 computers for fire control, navigation, etc. Auto­ Self-powered miniature sound recorder-reproducer. matic control machinery / Ls(3000) Me(1935) Conference recorders, briefcase recorders-repro­ DASCc RMSa ducers, telephone recorders-reproducers, permanent McGraw-Edison Co. - see Thomas A. Edison Instru­ recorders (non-magnetic). Controls, automatic and ment Division signaling; magnetic drums; magnetic reading and Measurement Engineering Ltd., 232 John St., Arnprior, recording heads; memory systems; mechanical read­ Ontario, Can. / 400 / *C 58 ers; magnetic tape recorders; paper tape readers / Consultants, development engineers, and equi p­ RMSa Ms(60) Le(1924) Ie ment specialists in communications, nucleonics, and J. M. Kuhlik, Dir. of Research / I. W. Kay, Chief industrial measurement and control. Automatic Engr. sorting and counting controls and equipment, metal William Miller Instruments, Inc. - out of business chassis, printed circuits, analog-to-digital convert­ H. JEFFERSON MILLS, JR., MANAGEMENT CON­ ers, counters, mechanical integrators, potentiom­ SULTANT, 2725 29th St., N.W., Washington 8, D.C. eters, power supplies, simulators, tachometers / / NOrth 7-0343 / *C 58 RMSCa Ms (120) ?e Ie Management counsel in systems analysis, equipment Mellon Institute of Industrial Research, Multiple Fel­ evaluation, organization and facilities planning; lowship on Computer Components, University of personnel recruitment, selection and training; and Pittsburgh, Pittsburgh 13, Pa. / Ma 1-1100 X378 / installation programs for electronic computer and *C 57 other automatic data processing applications in bus­ High temperature modular printed circuitry / Ss iness, industry and government / RCPa Ss Se(1954) (5) Se(1950) Dc RCa Die Melpar, Inc., 3000 Arlington Blvd., Falls Church, Va. H. Jefferson Mills, Jr., Principal Delay lines; magnetic cores / Ie RMSa Metron Corp., 8 Coryell St., Lambertville, N.J. / EX- Minneapolis-Honeywell Regulator Co.-SEE also Davies port 7-1570 / *C 57 Laboratories Division and Datamatic Corp. Division Punched card sensing device used in analog and MINNEAPOLIS-HONEYWELL REGULATOR CO., digital computers, other computer components / 13350 U.S. Highway 19, St. Petersburg, Fla. / HEm­ Ss(6) Se(1956) DAc RMSa lock 5-1151 / *C 58 Mico Instrument Company, 80 Trowbridge St., Cam- Inertial guidance systems, inertial platforms, digital bridge 38, Mass. / KIrkland 7-8660 computers, analog computers, gyros and accelerom­ Toroid transformers, toroid inductors; ferrite core eters. Packaged computer logic circuits; computer units for computers, etc. / Ss'(20) Me(1934) Ie test equipment; analog to digital converters. Data RMSa recording equipment. Input-output devices / RMSa Micro Switch, a Division of Minneapolis-Honeywell Ms(300) Se(1957) DAle Regulator Co., 11 West Spring St., Freeport, Ill. / W. M. Adkisson, Section Head, Computer Sections ADams 2-1122 / *C 58 Minneapolis-Honeywell Regulator Co., Boston Division, Precision snap-action and mercury switches. Lighted 40 Life St., Boston 35, Mass. / AL 4-5200 / *C 58 and unlighted pushbutton switches for control pan­ Rate, free, and integrating gyroscopes, doc data els. Special switches for electronic circuits / RMSa handling amplifiers and preamplifiers, doc null indi­ Ls(2500) Me(1937) Ic cators, precision temperature control units, syn­ Microtran Co., Inc., 145 E. Mineola Ave., Valley Stream, chros, and servo motors / RMSa Ls (1000) Le N.Y. / LO 1-6050 / *C 58 (1886) SIc Miniature audio and transistor transformers. Trans­ Minneapolis-Honeywell Reg. Co., Davies Labs. Division, formers designed to customer specifications / RMSa 10721 Hanna St., Beltsville, Md. / WEbster 5-2700 / Ms(60) Se(1951) Ic *C 58 [ 43 ] Magnetic tape products; systems and techniques for N data acquisition, reduction and analysis; recorders National Aircraft Corp., Marvelco Div., 3411 Fulare and transcribers of digital data; analog to digital Ave., Burbank, Calif. converters; magnetic reading and recording heads; Delay lines; magnetic cores / Ie RMSa magnetic tape readers and recorders; telemetering National Analysts, Inc., 1015 Chestnut St., Philadelphia systems / RMSa Ms(250) Se(1946) DIe 7, Pa. / Market 7-8109 / *C 57 Minneapolis-Honeywell Regulator Co., Industrial Divi· Data processing and computing services, including sion, 4580 Wayne Ave., Philadelphia- 44, Pa. / Michi- _ consulting and programming; operations research; gan 4-8300 / *C marketing research. Facilities include full line of Automatic controllers. Brown Instruments. Servo punch card equipment, large and medium sized components used in computers. Recording and electronic data processing machines (IBM 705 and indicating instruments and control equipment, etc. 650) / Ms(

[ 44 ] National Moldite Co., 250 South St., Newark 5, N.J. North American Aviation, Inc., Computer Division­ I MItchell 2-6060 / *C 58 name changed to: Powdered iron cores, ferrite cores, iron and ferrite Autonetics, a Div. of No. American Aviation, Inc., coil forms, toroids, other parts. Phenolic and iron which see molded coil forms. High frequency fer rites / RMSa North American Research & Control Instruments Div. MS(70) Me(1943) Ic -SEE National Physical Laboratory, Control Mechanisms and Phillips Co., Inc., 750 S. Fulton Ave., Mt. Vernon, Electronics Division, Teddington, Middlesex, Eng­ N.Y. land / *C North Electric Manufacturing Co., 526 S. Market St., Digital computers, electronic simulators, data re­ Galion, Ohio cording. Designer and builder of the Pilot Model Data processing; relays, multi-contact type, tele­ of ACE (Automatic Computing Engine). Col­ phone type; rotary stepping switches / Ie RMSa laborates with English Electric Co. / Ls (1000; this Northam Electronics, Inc., 2420 N. Lake Ave., Altadena, division, 40) Le(1900) DIc RCPMa Calif. / SYcamore 8-1145 / *C 58 National Physical Laboratory, Mathematics Div., Ted- Pressure transducers, accelerometers, miniature dington, Middlesex, England / Molesey 1380 / *C 58 magnetic tape recorders; data reduction, processing Computing service using Deuce and Ace. Digital and recording equipment; demodulators, power fre­ and punched card. Unrestricted as to clients / quency co~verters ; regulated power supplies / RCPa Ms(60) Me(1945) Dc RMSa Ms(64) Se(1951) Ic National Semiconductor Products, 930 Pitner Ave., Northrop Aircraft, Inc., Dept. 3330, Hawthorne, Calif. Evanston, Ill. / OR 8-9111, Ext. 424 / *C57 Silicon junction diodes / Ie RMSa Digital and analog computers, conversion equip­ ment, data reading and reduction components and National Union Electric Corp., 350 Scotland Rd., Orange, systems, reconnaissance data handling; develops, N.J. / Orange 2-6600 / *C maintains, operates own computing and data han­ Electron tubes, semi-conductor diodes, and transis­ dling equipment / Ms(95 this project) Se(1950 this tors for computers, etc. / MS(150) Me(1929) Ie project) DAc RMCPa RMSa NORTON ASSOCIATES, INC., P.O. Box 96, Garden Navigation Computer Corp. - discontinued City, N.Y. / IVanhoe 3-2968 / *C 58 New London Instrument Co., 82 Union St., New Lon­ Magnetic reading and recording heads, memory sys­ don, Conn. / *C 58 tems, magnetic drums, digital computing services, Special purpose analog and digital instruments, dig­ design services in instrumentation and applications. ital computers / DAc Design and manufacture of standard and special The Newton Co., 55 Elm St., Manchester, Conn. / magnetic record, playback, and erase heads in single Mitchell 3-5104 / *C and multi-track arrangements for magnetic tape, Data processing equipment. Analog to digital con­ film, wire, drum and magnetic ink character recog­ verters; simulators; automatic typewriters / Ms nition / RMSa Ie / R. S. Norton, Ch Eng. (150) Se (1947) DIe RMSa Notifier Corp., 239 S. 11th St., Lincoln 8, Neb. / NON-LINEAR SYSTEMS, INC., Del Mar Airport, Del 5-2946 / *C 58 Mar, Calif. / SKyline 5-1134 / *C 58 Manual and automatic fire detection systems, sprink­ Digital voltmeters, ohmmeters, ratiometers; oscil­ ler supervisory systems, municipal fire alarms, plant logram trace readers, precision wire-wound resistors, security systems, automatic and signaling controls electronic measurement instruments for missile, nu­ and equipment; data recording cameras and equip­ clear, scientific and manufacturing fields; digital ment, logical circuits / RMSa Ss (40) Se (1949) ICc readouts, data processing and recording equipment, Nuclear Development Corporation of America, 5 New scanners, visual output devices, analog to digital St., White Plains, N.Y. / White Plains 8-5800 / *C 57 converters; digital computers / RMSa Ms(150) Se Selection, design and building of special purpose (1952) DIe / A. F. Kay, Pres. / F. C. Strauss, VP data-handling systems. Programming. Operate own - Sales "Datatron" providing computing services. Also work with machine builders on automatic control Norden-Ketay Corporation, Commerce Rd., Stamford, machinery and automatic materials handling ma­ Conn. / *C chinery / Ms(350) Se(1948) DCMc RMSCa Automatic control systems, analog computers, fire control systems, bomb sights, navigational systems, potentiometers, analog-digital converters, synchros, o servo motors, resolvers, servo amplifiers, resolver Oerlikon Tool & Arms Corp. of America, P.O. Box amplifiers, airborne instruments / Ls (2400) Se 3049, Asheville, N.C. (1955) DASCc RMSa Analog-to-digital converters; digital computers; Norden-Ketay Corp., Precision Components Div., Jeri­ data processing / DIc RMSa cho Turnpike, Commack, Long Island, N.Y. / FOrest Ohmite Manufacturing Co., 3692 Howard St., Skokie, 8-5500 / *C 58 Ill. / ORchard 5-2600 Servo-mechanism components and gyromechanisms Capacitors, computer types; miniature wire-wound / RMSa Ls (1800) Se (1948) Ic resistors; etc. / Ic RMSa

( 45 ] Olivetti Corp. of America, 580 Fifth Ave., New York linear function generators for analog computers / 36, N.Y. / JUdson 2-4600 / and Ing. C. Olivetti & RMSa ?s Se(1957) DAc Co., S.P.A., Ivrea, Italy / *C 57 ' Panellit, Inc., 7401 N. Hamlin Ave., Skokie, Illinois / Single and duplex register adding machines. Single ORchard 5-2500 / *C 57 and dual register printing calculators / Ls(18,000) Information systems; coordinated control centers; Le(1908) Dc RMSCa alarm systems; scanning and monitoring systems / Opad Electric Co., 69 Murray St., New York 7, N.Y. / Ls(550) Me(1945) ISCMc RMSCPa BEckman 3-7548 / *C 58 The Ralph M. Parsons Co., Electronics Div., 151 S. AC & DC power supplies, voltage and current reg­ De Lacey Ave., Pasadena, Calif. / (Los Angeles), ulators, specialized test equipment, automatic con­ RYan 1-0461 / *C 58 trois; sorting and counting controls; power fre­ Systems engineering, and manufacturing in elec­ quency electrical converters; rectifiers / RMSa Ss tronic instrumentation, telemetry, timing systems, Me(1947) ICc miss-distance indicators, and precision transponders Orradio Industries, Shamrock Circle, Opelika, Alabama / RMSa Ms(225) Se(1952) Ic / Sherwood 5-4621 / *C 57 'PCA Electronics Inc., 16799 Schoenborn St., Sepulveda, Instrumentation tape; computers; telemetering re­ Calif. / EMpire 2-0761 / *C 58 corders / Ms(100) Se(1949) Ie RMSa Pulse transformers and delay lines / RMSa Ms (100) Ortho Filter Corp., 196 Albion Ave., Paterson 2, N.J. / Se(1950) Ie Pennsylvania State University, X-ray and Crystal Struc­ Mulberry 4-5858 / *C ture Lab., Dept. of Physics, University Park, Pa. / Pluggable units for computers, cathode ray ampli­ Adams 8-8441 X2125 / *C fiers, power supplies, wiring of complete racks, X-RAC computer for crystal electron density func­ toroids, etc. / Ss(43) Se(1946) Ie RMSa tions. S-FAC for structure factor calculations / ORYX CO., 9015 Wilshire Blvd., Beverly Hills, Calif. / Ms(55) Se(1946) DAc RPa BRadshaw 2-6635 / *C 58 The Perkin Elmer Corp., Engineering & Optical Divi­ Miniature, low voltage soldering irons for com­ sion & Vernistat Div., Main Ave., Norwalk, Conn. puter and other uses / RMSa Ss(4) Se(1955) Ie / Analog computers; potentiometers / AIc RMSa c. H. Mitchell, Owner / Bill West, Adv. Mgr. Phaostron Instrument and Electronic Co., 151 Pasadena John Oster Mfg. Co., Avionic Div., One Main St., Ra- Ave., South Pasadena, Calif. / CLinton 5-1471 / *C 58 cine, Wis. / MElrose 3-6331 / *C 58 Electric panel meters, test instruments, portable lab­ Magnetic amplifiers, servo motors, synchros, re­ oratory standards, relays / RMSa Ms(450) Me solvers, motor-gear trains, AC drive motors, DC (1937) Ic m~tors, servomechanism assemblies, servo torque unIts, motor-tachometers, reference and tachometer GEORGE A. PHILBRICK RESEARCHES, INC., 230 generators, actuators, motor-driven blower and fan Congress St., Boston 10, Mass. / HUbbard 2-3225 / assemblies / RMSa Ls(950) Le(1924) Ie *C 58 Electronic analog computers; computer compo­ Otis Elevator Co., Electronic Div., 35 Ryerson St., nents; computer packaged circuits; magnetic ampli­ Brooklyn 5, N.Y., fiers; regulated power supplies; consulting serv­ Analog computers; data processing; punch card ices; electronic function generators,; electronic in­ machines / Ale RMSa tegrators; electronic multipliers / RMSCa Ms(70) Owen Laboratories, Inc., 55 Beacon Place, Pasadena, Se(1947) Ale / George A. Philbrick, Pres. & Dir. Calif. / RYan 1-6901 / *C 58 of Res. / Frederick N. Philbrick, VP & Treas. Ultra high precision and stability DC voltage and PHILCO CORP., GOVERNMENT AND INDUS- power sources. Transducer power supplies / RMSa TRIAL DIVISION, 4700 Wissahickon Ave., Phila. Ss(20) Se(1947) Ic 44, Pa. / TEnnessee 9-4000 / *C 58 Transistorized large scale data processing systems, P electronics systems in communications, scientific Pacific Semiconductors, Inc., 10451 W. Jefferson Blvd., systems, industrial TV, microwave and military Culver City, Calif. / TExas 0-4881 / *C 58 products; digital computers; digital computing Silicon and germanium diodes, silicon rectifiers, services; card to magnetic tape, card to paper tape, silicon transistors, varicaps (voltage-variable ca­ magnetic tape to paper tape, magnetic tape to card, pacitors), diode test equipment / RMSa Ms(500) paper t~pe to card, converters; data processing ma-, Se(1954) Ic . chinery; fire control equipment / RMSCa Ls(3000) Packard Bell Computer Corp., a subsidiary of Packard­ Se(1951) DIe / Henry F. Argento, V.P. & Gen'l Bell Electronics Corp., 11766 W. Pi co Blvd., Los Mgr. / Herbert E. Taylor, Jr., Mktg. Mgr., Ind'l Angeles 64, Calif. / GRanite 3-8667 / *C 58 Products Voltage to digital and digital to voltage conve~ters Philco Corp., Lansdale Tube Co. Div. - see Lansdale and associated power supplies; multiplexers, sam­ Tube Co. pling, holding, etc.; high speed digital computer; Philips Electronics, Inc., Instruments Div., 750 S. Ful­ hybrid digital .. analog computing devices; differen­ ton Ave., Mount Vernon, N.Y. / Mount Vernon tial analyzers; communications systems; combina­ 4-4500 / *C 58 torial techniques for digital computers; real time Analog computers; x-ray diffractometer, x-ray incremental computers; electronic integrators; non- spectograph instruments, x-ray cameras, x-ray plat- r 46 J ing thickness gauges; Geiger, proportional, scin­ Super-speed computer diodes / RMSa Ms(60) Se tillation detectors; industrial radiography equip­ (1950) Ic ment, electron microscopes, x-ray microscopes, x­ ray microradiograph equipment, x-ray process con~ R trol instruments / RMSCa Ms(300) Me(1942) Ie Radiation Counter Laboratories, Inc., 5121 W. Grove Phillips Control Corp., Joliet, Ill. / Joliet 3-3431 / *C St., Skokie, Ill. / ORchard 3-8700 / *C 58 Relays for computers, etc. / Ms (350) Se (1946) Nuclear instrumentation; amplifiers; data recording Ic RMSa cameras; analog-to-digital converters; ferrite cores; Photon, Inc., 58 Charles St., Cambridge 38, Mass. / mechanical and proportional counters; differential TRowbridge 6-1177 / *C analyzers; regulated power supplies / RMSa Ms Machinery for composing type by photographs / (80) Me(1947) Ic Ms (100) Me (1940) DIe RCMSa Radiation, Inc., P.O. Box 37, Melbourne, Florida / 1800 Pi-Square Engineering Co., Inc., 230 Congress St., Bos- / *C 58 ton 10, Mass. / HUbbard 2-3225 / *C Telemetering systems and equipment; computer in­ Analysis and solution of engineering problems. put systems and equipment (data processing, pro­ Computing services. Analog computing equipment gramming, translating, converting); computer out­ available / Ss Se (1954) ASCc RCPa put systems and equipment (recorders and printers) Plastic Capacitors, Inc., 2620 No. Clybourn Ave., Chi- / RMSa Ls (700) Se (1950) Ie cago 14, Ill. / DIversey 8-3735 / *C 58 Radiation Instrument Development Laboratory, 5737 Capacitors, power supplies, pulse forming networks South Halsted St., Chicago 21, Ill. for computers and other uses / RMSa Ms (100) Analog-to-digital converters / Ic RMSa Se (1952) Ie RADIO CORP. OF AMERICA, COMPONENTS DIV., Polyphase Instrument Co., East 4th St., Bridgeport, 19th & Federal Sts., Camden, N.J. / WOodlawn 3-8000 Montgomery County, Pa. / BRoadway 9-4660 / *C 58 / *C 57 . . Pulse and specialty transformers; magnetic compo­ Ferrite memory cores, custom built memory planes, nents; delay lines; magnetic amplifiers; breadboard apertured ferrite memory plates; relays / Ls Le Ie kits; potted circuits; computer type coils / RMSa RMSCa Ms(75) Se(1948) Ic Potter and Brumfield Mfg. Co., Inc., Princeton, Indiana RADIO CORP. OF AMERICA, ELECTRON TUBE / Princeton 1596 / *C DIV., 415 South 5th St., Harrison, N.J. / HUmboldt Electric relays and stepping switches for computers, 3-3900 / *C 58 etc. / Ls (1000) Le (1932) Ic RMSa Electron tubes and photosensitive devices; com­ puter tubes, receiving tubes, thyratrons, storage POTTER INSTRUMENT COMPANY, INC., Sunny­ tubes, cathode ray tubes, camera tubes, photocells side Blvd., Plainview, L.I., N.Y. / OVerbrook 1-3200 and other components / RMSCa LS{78,000) Le / *C 58 (1919) Ie / D. Y. Smith, VP & Gen. Mgr. / L. S_ Digital data processing equipment including: tran­ Thees, Gen. Commercial Mgr. sistorized high speed digital magnetic tape handlers, transistorized high speed printers, transistorized RADIO CORP. OF AMERICA, ELECTRONIC DATA electronic and frequency, counters, memory systems, PROCESSING DIV., Camden, N.J. / WOodlawn and shift registers. Amplifiers; automatic control 3-3800 / *C 58 equipment; plug-in, printed, circuits; sorting and Electronic data processing systems including Biz­ counting controls; paper tape to magnetic tape con­ mac / RMSCa Ls(78,000) Le(1919) Ie / E. D. verter; magnetic reading and recording heads; in­ Foster, VP-EDP / A. R. Hopkins, Market Mgr. formation retrieval devices; input and output de­ -EDP vices; line-a-time printers; magnetic and paper tape RADIO CORP. OF AMERICA, PRECISION ELEC­ readers; magnetic tape recorders / RMSa Ms(200) TRONIC INSTRUMENTS DIV., Building 15-1, Me(1942) DIe / John T. Potter, Pres. / Edward Camden, N.J. D. Gray, Vice-Pres. Magnetic tape recorders / Ie RMSa Powers-Samas Accounting Machines, Ltd., Powers- RADIO CORP. OF AMERICA, SEMICONDUCTOR Samas House, Holborn Bars, London E.C. 1, England AND MATERIALS DIV., Somerville, N.J. / RAn­ Punch card tabulating equipment using small, me­ dolph 5-4500 / *C 58 dium, and standard cards / Ls(6000) Le(1916) Transistors for computer, military, industrial and DIe RMSa entertainment applications. Semiconductors, diodes Purdue University, Statistical and Computing Lab., En­ rectifiers, ferrite cores, and other products for com: gineering Administration Bldg., Lafayette, Ind. / puter and other uses / RMSa Ls{78,000) Le{19'19) 92-2703 / *C 58 Ic / A. M. Glover, Gen. Mgr. / F. F. Neuner, Mgr., Statistical and computing services / RCPa Ms (75) Marketing Dept. Se(1948) De Radio Development & Research Corp. (Germanium Q P:oducts, a subsidiary), 26 Cornelison Avenue, Jersey CIty, N.J. / Rector 2-2337 (New York City) / *C Qutronic Semiconduc~or Corp., 525 Broadway, New Transistors, diodes, rectifiers for computers / Ms York 12, N.Y. / WAlker 5-3424 / *C 58 (100) Me(1938) Ic RMSCa [ 47] Radio Receptor Co., Inc., 240 Wythe Ave., Brooklyn Reeves Instrument Corp., Roosevelt Field, Garden City, 11, N.Y. I EVergreen 8-6000 I *C 58 N.Y. / PIoneer 6-8100 I *C 58 Selenium rectifiers, germanium and silicon diodes, Analog computers and systems, automatic assembly semiconductors I RMSa Ls(650) Le(1922 ) Ic equipment, automatic control equipment, analog-to­ THE RAMO-WOOLDRIDGE CORP., 5500 W. El digital and digital-to-analog converters, gyros, re­ Segundo Blvd., Los Angeles 45, Calif. I ORegon solvers, servomechanism systems, radar & guidance 8-0511 I *C 58 systems, computing services, data recording equip­ R-W 300 digital process control computer. Air­ ment, computers for simulation, automation and borne digital computers and systems; digital instru­ control, differential analyzers, electronic integrators mentation and data handling systems. Computa­ I RMSa Ls(2000) Me(1946) Ale tion and data reduction center. See also Thompson­ Reeves Soundcraft Corp., 10 E. 52nd St., New York 22, Ramo-Wooldridge Products Co. I RMSCa Ls(3400) N.Y. I PL 9-2644 I *C 58 Se(19'53) Dc Magnetic recording tapes for all instrumentation D. E. Wooldridge, Pres. I R. P. Johnson, VP­ and industrial applications I RMSa Ms (200) Me Research & Dev. (1946) Ic The Rand Corporation, 1700 Main St., Santa Monica, The Reflectone Corp., 639 W. Main St., Stamford, Conn. Calif. I EXbrook 4-0251 I *C 57 I FIeldstone 8-4201 I *C 57 Large digital computers for scientific and business Analog computing equipment for simulating radar, uses; analog computers for scientific computations. sonar, navigation, etc. I MS(200) Me(1940) AIc (For government use only). I Ls (1000) Se (1946) " RMSa DAle RPBa REMINGTON RAND UNIVAC DIVISION, SPERRY Ransom Research, P.O. Box 269, 323 W. 7th St., San RAND CORP., 315 Fourth Ave., New York 10, N.Y. Pedro, Calif. I TErminal 2-6848 I *C 58 I SPring 7-8000 I *C 58 Consulting and computing services; manufacture of Punched card machines. Electronic computer serv­ digital systems, comp~ting and logical control sys­ ice center, analog computers; special purpose com­ tems to customer specifications; converters; count­ puters; 90-column tabulating card to tape con­ ers. Joint research and development programs with verter, type 318; electric adding machines. The customers I RMSCa Se(1955) ?s DACc Univac System, Univac II, Univac scientific com­ RAYTHEON MFG. CO., DIVISION: RECEIVING puter model 1103A, Univac file-computer systems. AND CATHODE RAY TUBE OPERATIONS, 55 Electric typewriters for 5, 6, 7, or 8 hole tape Chapel St., Newton 58, Mass. I BIgelow 4-7500 I codes. Tape-to-card converters; model 99 calcu­ *C58 lator that prints; magnetic storage drums, input­ Computer components; computer, miniature and output devices, paper tape readers, magnetic discs I subminiature tubes; germanium and silicon transis­ RMSCPa Ls(8000) Le(1876) DAle tors; germanium, and silicon semi-conductor diodes Rensselaer Polytechnic Institute, Computer Laboratory, (computer and other types); silicon power recti­ Troy, N.Y. I AShley 2-3000, X 240 I *C 58 I Com­ fiers RMSa ?s ?e Ic I putation, digital and analog; training in the use of RAYTHEON MANUFAcruRING CO., 100 River St., digital and analog computers. Computers used: IBM Waltham, Mass. I TWinbrook 3-5860 I *C 650, REAC I RCa Ss(7) Se(1952) DAc Radar, sonar, communications, fire control, micro­ Reon Resistor Corp., 117 Stanley Ave., Yonkers, N.Y. wave and telemetering equipment, power tubes, electro-hydraulic servo controls, automatic machine­ I YOnkers 5-9850 I *C 58 Prec,ision wirewound resistors, composition variable tool duplicators. Computer work transferred to resistors RMSa Ms(60) Se(1952) le Datamatic Corporation, which see I Ls(20,000) .I Le(1925) DAc RMSa Rese Engineering, Inc., 731 Arch St., Philadelphia 6, J. B. Rea Co., Inc., 1723 Cloverfield Blvd., Santa Monica, Pa. I WA 2-5841 I *C 58 Calif. I EX 3-7201 I *C 58 Magnetic core and drum memories, packaged com­ Readix digital computer; analog to digital con­ puter circuits, digital systems engineering, buffers, verter, magnetic drums;· magnetic reading and re­ magnetic core test equipment I RMSCa Ss(20) Se cording heads; automatic control systems; mmla­ (1953) Dle ture motors and gyroscopes; automatic data han- Resistance Products Co., 914 S. 13th Street, Harrisburg, dling systems; data recording cameras; aerody­ Pa. I CEdar 6-9006 I *C 58 namic systems analysis and nonlinear servo systems, Resistors: precisi(;>n wire wound, high voltage, high analog computers, telemetering systems, tape han­ megohm, high frequency, resistance networks I dlers; research and development; computing serv­ RMSa ices; memory systems I RMSCa Ss(50) Se(1951) RICHARDSON CAMERA CO., 2526 N. Ontario St., DAICc Burbank, Calif. I THornwall 2-0234 I *C 5S Recording and Statistical Corporation, 100 Sixth Ave., Photogrammetric data reduction and projection New York 13, N.Y. I WOrth 6-2700 I and else­ equipment; theodolite cameras, pulse-data cameras, where. film readers, film assessors, electronic counters I Computing and data processing services using elec­ Ss(18) Me(1934) Ie RMSCa tronic digital computers and punched card equip­ Robotyper Corporation, 125 Allen St., Hendersonville, ment of latest types I Dle RCPa N.C. I Hendersonville 4246 .

[ 48 1 Automatic typing equipment that can be associated Specialized distributors serving the computer and with any electric typewriter, using a record toll missile industries with tantalum capacitors, con­ pneumatically operated / Ie RMSa nectors, precision potentiometers, resistors, and Raymond Rosen Engineering Products, Inc. - name micro-miniature relays / Sa ?s Se(1952) Ie changed to Tele-Dynamics, Inc. which see Jack Laskin, Sales Mgr. / Sam Kass, Component Specialist . Rome Air Development Center - see U.S.A.F., Rome Air Development Center Scientific Computing Service, 23 Bedford Square, Lon­ don W C 1, England / Museum 0808 / *C Rotron Manufacturing Co., 7-9 Schoonmaker Lane, Problem solving, consulting. Computing service: Woodstock, N.Y. / ORiole 9-2401 / *C 58 digital / Ss(15) Me(1937) DIe RCPa Air moving devices for incorporation in computing machine consoles: flushing fans, centrifugal blow­ SEISMOGRAPH SERVICE CORP., 6200 E. 41st St., ers, multistage blowers / RMSa Ms (260) Me (1947) P.O. Box 1590, Tulsa, Okla. / RIverside 3-1381 / *C 58 Royal Electric Corp., 95 Grand Ave., Pawtucket, R.I. Electronic and mechanical equipment used in seismic / PAwtucket 2-8600 / *C 58 and other types of geophysical explorations; com­ Coaxial cable, insulated wire, power supply cords, puting services; data processing machinery; radio fuses, wiring devices / RMSa Ls (1000) Le (1920) location system LORAC (both manufacture and Ie service); analog computers; special purpose com­ ROYAL-McBEE CORP., Westchester Ave., Port Chester, puters / RMSCa Ls(1200) Me(1931) Ale N.Y. / WEstmore 7-3000 / *C 58 G. H. Westby, Pres. / J. E. Hawkins, VP Royal Precision (and Librascope) electronic com­ The Service Bureau Corp., Subsidiary of International puter LGP-30. Data processing machinery / RMSa Business Machines Corp., 425 Park Ave., New York Ls(12,000) Se(1954) Dc 22, N.Y. / *C 58 A. T. Craft, VP - Sales / c. F. Flannell, Mgr.­ Computing and data processing service using all Computer Dept. models and types of International Business Mach­ Rutherford Electronics Co., 8944 Lindblade St., Culver ines Corp. machines, including IBM Magnetic Drum City, Calif. / TExas 0-4362 / *C 58 Calculators 650 and IBM Electronic Data Processing Pulse generators, time delay generators, time meas­ Machines 704. Comprehensive facilities (including uring systems / RMSa Ss (30) Se (1950) Ie programming) for all applications, such as methods, engineering, control, plant operations, etc. Data processing centers with 650's in Baltimore, Boston, S Chicago, Cleveland, Detroit, Houston, Los Angeles, Minneapolis, New York (704 & 650), Philadelphia, Sage Electronics Corp., 302 No. Goodman St., Rochester Pittsburg, St. Louis, Seattle, San Francisco, and 7, N.Y. / GReenfield 3-5770 / *C 58 Washington, D.C. / RPCa LS(500) Se(1957, sep­ Power resistors / RMSa Ss (40) Se (1949) Ie arate corp.; over 30 years, div. IBM) DAc . Sanborn Co., 175 Wyman St., Waltham 54, Mass. / Servo Corp. of America, 2020 Jericho Turnpike, New TWinbrook 4-6300 / *C 58 Hyde Park, N.Y. / Fieldstone 3-4100 / *C 58 Direct-writing oscillographic recording systems, Servomechanisms, signaling controls, automatic con­ recording papers, analog computer systems; visual trols and equipment, analysis and synthesis for con­ output devices / RMSa LS(800) Le(1917) Ie trol manufacturers; temperature controls by in­ SANGAMO ELECTRIC CO., Springfield, Ill. / 4-6411 frared radiation. Industrial controls, servo multi­ / *C58 pliers and components; computer test equipment, Magnetic amplifiers; capacitors; connectors and analog and digital computers, magnetic amplifiers, other components; electrical power and frequency plotting boards, breadboard kits, computer packaged converters; switches; mechanical generators; power circuits, magnetic clutches, communications sys­ supplies; pulse transformers / RMSa Ls ( 4,500) tems, indicators, differential analyzers, fire control Le(1899) le and data recording equipment, power supplies / C. H. Lamphier, Pres. / R. R. Wylie, Mktg. Mgr. RMa Ms(300) Me(1946) DAISCa Saunders & Co., 375 Moody St., Waltham 54, Mass. / Servomechanisms, Inc., Post and Stewart Sts., Westbury, TWinbrook 4-6071 / *C 58 L.1., N.Y. / Edgewood 4-2700 / also 12500 Aviation Manufacturers' representative for components and Blvd., Hawthorne, Calif. / Osborne 5-7111 / *C sub-assemblies for computer manufacturers and Automatic electronic and electro-mechanical control users: amplifiers; automatic control equi pment ; systems and components, analog computers, instru­ plotting boards; capacitors; plug-in and printed mentation. Airborne digital computers, digital trans­ circuits; sorting and counting controls; electronic ducers / Ls(800) Se(1946) ASICc RMSa counters; indicators; input/output devices; poten­ Servonics, Inc., 834 N. Henry St., Alexandria, Va. / tiometers; regulated power supplies; shift registers; TEmple 6-6800 resistors; magnetic storage systems; visual output Precision potentiometers incorporating digital tech­ devices / Sa Ss(4) Se(1954) Ie niques, with high linearity, and extended frequency SCHWEBER ELECTRONICS, 60 Herricks Rd., Mine­ limits without phase shift, multi-turn but continu­ ola, N.Y. / Pioneer 6-6520 / *C 58 ous rotation.

[49 ] Shallcross Manufacturing Co., Jackson & Pusey Avenues, readers and recorders; paper tape punches; visual Collingdale, Pa. / LUdlow 3-5100 / *C58 output devices / RMSa Ls(500) Se(1948) DASc Automatic assembly equipment, coil winding bob­ Sola Electric Co., 4633 W. 16th St., Chicago 50, Ill. / bins, resistors, stepping switches, attenuators, delay Bishop 2-1414 / *C 57 lines, and other components / RMSCa Ms (130) Constant voltage transformers, regulated DC power Me(1929) Ic . " supplies, etc., for computer and other uses / Ms Shand and Jurs Co., 2600 Eighth St., Berkeley 10, Calif. (250) Me(1930) Ic RMSa / AShbury 3-2345 / *C 58 SORENSON & CO., INC., Richards Ave., South Nor- Pulse type telemetering and function control sys­ walk, Conn. / TE .8-6571 / *C 58 tems for liquid storage, transport and handling; Power supplies, voltage regulators, frequency direct wire remote control and supervision systems changers / RMSa Ms(350) Me(1943) Ic for industrial devices; data recording equipment L. L. Helterline, Exec. VP / H. T. Lowell, Sales and signaling controls / RMSa MS(200) Le(1922) Mgr. le SOROBAN ENGINEERING, INC., Box 1717, Mel- Shepar,d Laboratories, Summit, N.J. bourne, Fla. / 2525 / *C 58 High-speed typer (up to 1800 characters per sec­ Data input-output systems; data preparation de­ ond) / Ss Se(1950) DIc RMSa vices; output tabulating devices; coding keyboards; paper tape readers and perforators; specialized data Short Brothers & Harland Ltd., Montgomery Rd., Castle- computing systems and consulting services on all of reagh, Belfast, N.J. / BElfast 5-9271 / *C 58 above; computer components; relays; storage sys­ Analog computers, low frequency oscillators, vec­ tems; paper tape punches and readers; translating torscopes, squarers, sine and cosine generators; equipment; electric controlled typewriters / RMSCa amplifiers; time delay units; desk analog computers; Ms(110) Se(1954) Ic consulting services; analog-to-digital converters; C. F. West, Pres. / H. F. Manweiler, Sec. electro-hydraulic equipment; multiplier units; func­ Southern Electronics Corp., 239 W. Orange Grove Ave., tion generators; servo-controlled rocking tables; Burbank, Calif. / Victoria 9-3193 / *C packaged computer circuits / RMSCa Ls(10,OOO) Precision capacitors, adjustable capacitors / Ms (60) Le(1910) Ale Se(1951) Ic RMSa F. W. Sickles Division, General Instrument Corp., 165 SOUTHWESTERN COMPUTING SERVICE, 910 S. Front St., Chicopee, Mass. / LYceum 4-4781 / *C 57 Boston, Tulsa 3, Okla. / GI 7-8146 / also, 1345 Stout Computer components, magnetic amplifiers, etc. / St., Denver 2, Colo. / TA 5-8159 / *C 58 Ls(2520) Le(1921) le RMSa Computing service, solving data reduction, engi­ Sigma Instruments, Inc., 170 Pearl St., S. Braintree, neering and business problems / RCPa Ss (18) Mass. / VIctor 3-5000 / *C 58 Se(1953) DAc Sensitive, polarized, keying, latching, photoelectric Southwestern Industrial Electronics Co., 2831 Post Oak relays; synchronous stepping motors; relay test sets Rd., P.O. Box 13058, Houston 19, Tex. / MO 7-6611 / RMSa Ms(495) Me(1935) Ic / *C 58 Smith-Corona, Inc., 701 E. Washington St., Syracuse 1, Geophysical instruments, magnetic tape systems, N.Y. / GRanite 8-4171 / *C 58 electronic test instruments, control and automation Data processing and recording systems for special systems, government contracting, heavy manufactur­ applications; communications systems for data pro­ ing; amplifiers, all types of circuits, analog and cessing systems. Adding machines, electric con­ digital computers, consulting services, counters, data trolled typewriters; magnetic to paper tape con­ processing machinery, data recording machinery, verters; paper to magnetic tape converters; input/ magnetic heads, integrators, regulated power sup­ output devices; office machines; high-speed and key­ plies, storage systems, and telemetering systems / board printers; magnetic tape, mechanical, paper RMSCa Ls(1050) Me(1945) DAle tape and photo-electric readers, magnetic tape re­ Specialties, Inc., Syosset, N.Y. / Walnut 1-2345 / Char- corders and storage systems; paper tape punches; lottesville, Va. / Charlottesville 3-5131 / *C translating equipment / RMSa ?s ?e Ic Precision potentiometers, servos, magnetic ampli­ Societe d'Electronique et d' Automatisme, 138 Boulevard fiers, transformers, sensing elements, etc., for com­ de Verdun, Courbevoie, Seine, France / Defense 41- puter and other uses / MS(300) Se(1941) Ic RMSa 20 / *C 58 Spectrol Electronics, Div. of Carrier Corp., 1704 South Analog and digital computers, servomechanisms, Del Mar Ave., San Gabriel, Calif. / ATlantic 7-9761 magnetic amplifiers; automatic controls and equip­ / *C 58 ment; printed, arithmetical circuits; computer test Precision potentiometers; in-line mechanisms; equipment. Converters: analog-to-digital, card to switches; resistors, variable, linear and non-linear magnetic tape, digital-to-analog. Electronic count­ / RMSa Ls(over 500) Se(1955) le ers; desk calculators; differential analyzers; mag- Sperry Rand Corporation, Sperry Gyroscope Division, . netic drums; electronic generators; magnetic read­ Great Neck, N.Y. / Fieldstone 7-3600 / *C ing and recording heads; electronic integrators; Ordnance; fire-control equipment. Automatic con­ memory systems; diode multipliers; plotters; sim­ trols. Navigation equipment, sea and air. Radar, ulators; magnetic storage systems; magnetic tape Loran, gyrocompasses, precision instruments. See

[ 50 ] also Remington Rand Univac Division / Ls(18,000) equipment, analog to digital and digital to analog Le(1910) Ac RMSa information converters, low frequency noise gen­ SPERRY SEMICONDUcrOR DIV. OF SPERRY erators, amplitude probability distribution ana­ RAND CORP., Wilson Ave., S. Norwalk, Conn. / lyzers, random number generators / RCa Ss (4) VOlunteer 6-1641 / *C 58 Se(1953) DAc Silicon diodes, transistors, semiconductor products Stereatronics, 66 Westland, Weston 93, Mass. / TWin- / RMSa Ms(150) Se(1956) Ic brook 4-6071 / *C 58 S. M. Grafton, Works Mgr. / B. J. Rothlein, Tech. Solid-state information-handling devices: transistor, Dir. magnetic, ferroelectric applications / RMSa Ss (2) Sprague Electric Co., 377 Marshall Street, North Adams, Se(1954) Ie Mass. / Mohawk 3-5311 / *C 57 Sterling Precision Corp., Instrument Div·ision, 34-17 Capacitors: miniature, and low dielectric hysteresis Lawrence St., Flushing 54, N.Y. loss, for computer applications. Standard capacitors; Analog computers. Computer components. Data precision and power type resistors; pulse transform­ processing / Ale RMSa ers; radio interference filters; shift registers; printed STEWARD MANUFACTURING CO., P.O. Box 510, circuits / Ls (6000) Le (1926) Ie RMSa Chattanooga, Tenn. / TAylor 1-1561 / *C 58 Stackpole Carbon Co., Stackpole St., St. Marys, Pa. / Ferrite magnetic cores, recording heads, pulse TE 4-1521 / *C 58 transformer cores /RMSa Ms(150) Le(1904) Ie / Fixed and variable composition resistors, perma­ c. S. Mills, VP / Ephraim Gelbard, Dir. of Res. nent magnets, ferrite and magnetic cores, carbon Strand Engineering Co., 1354 N. Main St., Ann Arbor, brushes, mechanical carbon products, electrical con­ Mich. / NOrmandy 2-3127 / *C 58 tacts, switches / RMSa Ls (3000) Le (1906) Ic Research, design, development of equipment and The Standard Electric Time Co., 89 Logan St., Spring- systems; production engineering; building of pilot field 2, Mass. / REpublic 6-7237 / *C 58 models; amplifiers; automatic assembly equipment; Analog computers, electric time systems, timing automatic control equipment; cameras; data record­ instruments and devices, signaling and communica­ ing cameras; computer packaged circuits, analog tion systems, laboratory power distribution systems, and digital computers; computers, test equipment; McIlroy fluid network analyzer / RMSa Ms (450) controls, automatic, sorting and counting; high fre­ Le(1884) Ale quency electrical converters; converters, informa­ Standard Instrument Corp., Div. of Heat-Timer Corp., tion analog to digital; electronic counters; data 657 Broadway, New York 12, N.Y. processing machinery; magnetic drums / RMSa Combined recorder and totalizer, for accurately ac­ Ss(25) Se(1955) Ic cumulating data on the operation of a machine, Strandberg Engineering Lab., Inc., 416 W. Market St., process, or system in plant or office / le RMSa Greensboro, N.C. / BR 5-1326 / *C 58 Electronic textile counters and memory systems for THE STANDARD REGISTER CO., Dayton 1, Ohio / production and inventory control, patch cords, re­ BAldwin 3-6181 / *C 58 cording papers, scanners, visual output devices / Electronic equipment (called "Stanomatic") capable RMSa Sc(19) Se(1950) Ic of sensing or reading printed codes on business documents and translating them into digital pulses Stromberg-Carlson, a Division of General Dynamics which will actuate office machines such as card Corp., 100 Carlson Rd., Rochester 3, N.Y. / HUbbard punches, tape perforators, computers, etc. Devices 2-2200 / *C 58 for encoding documents at original writing. Data Special purpose digital computers, computer mod­ processing and recording equipment, input-output ules, ancillary devices, high-speed computer output devices, office machines, readers, and information printers. Automatic control equipment, cable and converters / RMSa Ls(3300) Le(1912) Dc cable assemblies, computer packaged circuits, com­ K. P. Mores, Exec. VP & Gen. Mgr. / John T. munications systems, analog computers, computer Davidson, VP, Eng., & Res. components, automatic sorting and counting con­ trols, cords, paper to magnetic tape information Stanford Computation Center, Stanford University, Stan­ converters, electronic counters, data processing ford, Calif. / DA 3-4123 / *C 58 and recording equipment, information retrieval de­ Computing service. Education involving uses of vices, memory systems, magnetic tape readers and computers. IBM 650 / RCPa Ss(5) Se(1953) Dc recorders, shift registers, relays, stepping switches, Stanford Research Institute, Menlo Park, Calif. / telemetering systems, transformers, visual output DAvenport 3-9051 / *C 58 devices / RMa Ls(8500) Le(1884) DAlc Design of digital and analog computers, input and Stromberg-Carlson (West Coast), 1895 Hancock St., output devices and other peripheral equipment. Ap­ Box 2449, San Diego 12, Calif. / CY 8-8331 / *C 58 plications and system studies for commercial, in­ High speed electronic printers, microfilm recorders, dustrial and scientific projects. Computation lab­ plug-in and potted circuits, small scale special pur­ oratory. Numerical analysis / RCPa Ls (1400) pose computers, specialized data-processing editing Me (1947) DAc machine, digital devices for display of computer in­ Statistic Instrument Co., 330 Haven Ave., New York formation, indicators, input and visual output de­ 33, N.Y. / LO 8-1223 / *C 58 vices, (the charactron), analog to digital converters Statistical processing equipment; computer test / RMSa Ms(360) Se(1955, San Diego) Dlc

[ 51 ] Sturrup, Inc., 50 Silver St., Middleton, Conn. I Diamond and sensing equipment. Mechanical function gen­ 6-9681 I *C 57 erator control of machine tools and allied mechan­ Ultrasonic delay lines, transducers, etc., for computer isms. Toll equipment for bridges, highways, turn- and other uses I Ms(60) Se(1951) Ie RMSa pikes I Ms(250) Me(1930) DIc RMSa . Sunshine Scientific Instrument Co., 1810 Grant Ave., Tally Register Corp., 5300 14th Ave., N.W, Seattle 7, Philadelphia 15, Pa. I OR 3-5600 I *C 57 Wash. I SUnset 4-5500 I *C 58 Analog field plotting equipment I Ms(65) Se(1947) Digital plotters, visual recorders, data processing Ic RMSa equipment, special digital data handling devices, Superex Electronics Corp., 4 Radford PI., Yonkers, N.Y. electro-magnetic pulse counters and pulsed relays; high-speed data reduction systems for telemetering I YOnkers 5-6906 I *C 58 Cable assemblies, plug in and printed circuits, coils, applications I RMSa Ss(33) Se(1950) DIe ferrite cores, jacks, transformers, and other compo­ TAMMEN AND DENISON, INC., 4751 N. Olcott nents I RMSa Ms(5) Se(1950) Ie Ave., Chicago 31, Ill. I UNderhill 7-8844 I *C 58 Analog computing center. Special purpose ana,log SUTHERLAND CO., 1112 First National Bank Co., or analog-digital computing systems, design and Peoria, Illinois I 3-5431 I *C 58 development I RCPa Ms(75) Me(1944) Ac Digital computers for business applications I D. W. Sparks, Dir. of Computing Center RMSCa Ss(20) Se(1950) Dc Taylor Instrument Co., Rochester, N.Y. E. Sutherland, Pres. J. Automatic controllers I Ls Le Cc RMSa Swedish Board for Computing Machinery, Drottning­ Technical Operations, Inc., Burlington, Mass. I BR gatan 95A, (P.O. Box 6131), Stockholm 6, Swe~en I 2-2000 I *C 58 Stockholm 23 55 90 I *C Industrial, commercial and military operations re­ State central institution for research, development, search; computer systems and applications, data and computation service on large-scale machines. processing systems; transistorized power supplies Operates two automatic digital computers, BARK (manufactured by subsidiary) I RMSCa Ms (210) and BESK, designed and built by the Board. Re­ Se(1951) Ie search on numerical analysis; development of new Techniques, Inc., 52 Jackson Ave., Hackensack, N.J. I computers. Computing service (digital) using HUbbard 9-5333 I *C 58 4 BARK and BESK I Ss(30) Se(19 9) Dc RMCPa Printed circuits, printed circuit kits, matrix boards, SYLVANIA ELECTRIC PRODUcrS, INC., 1740 diode boards, logic boards, thin flat sheet metal Broadway, New York 19, N.Y. I - I *C 57 stampings I RMSa SS(20) Se(1955) Ic Computers. Computer products: transistors, diodes, TECHNITROL ENGINEERING CO., 1952 E. Alle­ electronic tubes I Ls(27,000) Le(1901) DAlc gheny Ave., Philadelphia 34, Pa. I GArfield 6-9105 RMSa I *C58 SYLVANIA ELECTRIC PRODUcrS, INC., 100 First Custom designed computers and data processing Ave., Waltham, Mass. I TW 3-9200 I *C 58 systems. Electronic test equipment. Pulse trans­ General purpose military computers; special purpose formers. Computer components. Delay lines. High computers; data handling devices; data conversion speed memories, digital systems I RMSa MS(200) devices, plug in and printed circuits, coils, com­ Me(1947) DIc munications systems, analog computers, computer E. Stuart Eichert, Pres. I T. Kite Sharpless, VP, Sales components I RMSa Ls(3000) Se(1955) DIe Technology Instrument Corporation, 531 Main St., Ac- F. J. Anderson, Mgr., Data Processing Lab. I G. M. ton, Mass. I Colonial 3-7711 I *C 57 Sokol, Mgr. Development Dept. Precision potentiometers, linear and non-linear, SYLVANIA ELECTRIC PRODUCTS, INC., WO­ single and multi turn ; potentiometers for special ap­ BURN DIVISION, 100 Sylvan Rd., Woburn, Mass~ plications I Ms (under 500) Se (1946) Ie RMSa I Woburn 2-3500 Telecomputing Corp., Data Instruments Div. - see Data Semiconductor components, crystal diodes, trans­ ,Instruments Div. of Telecomputing Corp. istors, and tubes for computer and other uses I Ls Telectro Industries Corp., 35-16 37th St., Long Island Le Ie RMSa City, N.Y. I YEllowstone 2-8600 I *C 58 Systems Laboratories Corp., 14852 Ventura Blvd., Sher- Magnetic tape recording and data handling equip­ man Oaks, Calif. I STate 9-0501 I *C 58 ment: circuits, controls, electrical converters, mag­ Consulting, research, and development of electronic netic heads, integrators, memory systems, plotters, systems ( communication, data handling, etc.) I readers, simulators, storage systems, tape handlers RCa Ss (20) Se (1956) Ie I RMSa Ms(200) Se(1948) Ie Tele-Dynamics, Inc., 32 Walnut St., Philadelphia 4, Pa. T I Evergreen 2-5015 I *C 56 Taller and Cooper, 75 Front St., Brooklyn, N.Y. I Ulster Computers used as end item in information trans­ 8-0500 I *C56 mittal systems, telemetering systems I Ms (365) Data recording and conversion systems, printers, Me(1943) Ic RMa perforators, analog-to-digital converters. Function TELEMETER MAGNETICS, INC., 2245 ~ntius generators, special purpose computers. Supervisory Ave., Los Angeles 64, Calif. I GR 7-4211, BR 2-0991 and control systems; remote control telemetering *C58 systems; card-to-tape converters; special punching High-capacity rapid-access ferrite core memories, [ 52 ] core matrices, core storage buffers, data translators, Silicon and germanium diodes and transistors; sili­ data handling systems, magnetic storage systems. con rectifiers, voltage regulators and references / Systems design and development / RMSCa Ms MSa Le(2000) Se(1952) Ie (200) Se(1956) Dlc(200) Trio Laboratories, Inc., 4025 Merrick Rd., Seaford, L.I., Erwin Tomash, Pres. / Trude C. Taylor, VP N.Y. Teleregister Corporation, 445 Fairfield Avenue, Stam­ Analog computers, test equipment / Ale RMSa ford, Conn. / Fireside 8-4291 (New York City, Lud­ Tung-Sol Electric, Inc., 95 8th Ave., Newark 4, N.J. / low 5-8900) / *C 57 HUmboldt 2-4200 / *C 58 Digital special purpose computers. Data processing Electron tubes, semi-conductors, miniature lamps, systems for special applications: inventory control, diodes, germanium transistors / RMSa Ls(7000) invoicing, travel reservations, flight data, stock Le(1904) Ie market quotations, maintaining and servicing equip­ TYPATAPE equipment - now sold and manufactured ment, etc. Electro-mechanical digital display sys­ exclusively by National Data Processing Corp., which tems. Magnetronic Reservisor, in use at American see Airlines reservations center. Magnetronic stock quo­ tation system in use in Toronto Stock Exchange / v Ls(600) Me(1928) DIe RMSCa Underwood Corp., One Park Ave., New York 16, Teletype Corp., 4100 Fullerton Ave., Chicago 39, Ill. / N.Y. / LExington 2-7000 / *C 58 SPauling 2-1040 / *C 58 Accounting machines, adding machines, typewriters. Teletype printers, tape punches and readers / Elliott-Fisher and Sundstrand Machines. Electric RMSa LS(5000) Le(1907) Ic typewriters. ELECOM electronic computers have Teletypesetter Corp., Chicago - bought by Fairchild been transferred to Digitronics, which see / Ls Graphic Equipment, Inc., which see (company 13,000; laboratory, 100) Le(1894) DIe The Teller Company, 357 No. Main St., Butler, Pa. / RMSa . Butler 75-739 Underwood Corp.: Electronic Computer Division­ Automatic controls / Ms(65) Se(1951) Cc RMSCa has been discontinued Texas Instruments Inc., Semiconductor-Components Div., Union Switch & Signal, Div. of Westinghouse Air Brake 6000 Lemmon Ave., P.O. Box 312, Dallas, Tex. / Co., Braddock Ave., Pittsburgh 18, Pa. / CHurchill FLeetwood 7-1851 / *C 58 2-5000 / *C 58 Semiconductor products and components, silicon Railroad signaling and control systems. Aircraft and germanium transistors, silicon diodes and rec­ flight simulators; mobile test rack for testing analog tifiers, resistors, tantalum capacitors / RMSa Ls computers including simulators. Data display indi­ (2400) Se(1954) Ie cators (digital and alpha-numerical). Relays (her­ Thermosen, Inc., 375 Fairfield Ave., Stamford, Conn. / metically sealed) / RMSa Ls(3000) Le(1881) DAvis 5-1324 / *C 58 DAle Temperature limited diodes, silicon power rectifiers, - United Mineral and Chemical Corp., 16 Hudson St., electronic tubes, semiconductors / RMSa Ms (under New York 13, N.Y. / BEekman 3-8870 / *C 58 500) Se(1951) Ie Resistors: deposited carbon, wire-wound, vitreous THE THOMPSON - RAMO-WOOLDRIDGE PROD­ enameled, precision types. Ceramic components, vcrs CO., P.O. Box 45607, Airport Station, Los mica and mical insulation materials, aluminum foils Angeles 45, Calif. / OSborne 5-4601 / *C 58 for capacitors, semi-conductor materials, metals. RW-300 digital control computer for automatic Laboratory testing equipment, military packaging control and data reduction; general-purpose digital materials, pressure-sensitive tapes, coated abrasives computer incorporating analog-digital conversion / RMSa Ms(60) Me(1942) le equipment, and handling more than 1000 analog University of Sydney, Electrical Engineering Dept., Syd- input and output channels. Digital control and ney, N.S.W., Australia / MWO 522, 242 / *C 58 data handling systems (with or without the RW- Research and design of analog computers, digital 300) for process industries (oil refineries, chem­ differential analyzers, digital computers, servomech­ ical plants, pilot plants, etc.) and for test facilities. anisms, automatic control machinery / RCa ?s ?e See also Ramo-Wooldridge Corp. / RMSCa Ms(60) U.S. Air Force, Aeronautical Research Laboratory, Di­ Se(1958) DACc rectorate of Research, Wright Air Development Dr. Dean W. Wooldridge, Pres. / Dr. Joseph F. Center, Wright-Patterson Air Force Base, Ohio / Ke Manildi, Gen. Mgr. 7111, X28235 / *C 57 TRANS ELECTRONICS, INC., 7349 Canoga Ave., Can­ Computing service (for Air Force use) has Gen­ oga Park, Calif. / DIamond 0-3334 / *C 58 eral Electric Oarac; Univac 1103; Bendix DDA; Power supplies, power frequency converters, semi­ Reacs, Gedas / Ms(62) Se(1948) DAe RCGPa conductor test equipment / RMSa Ss(25) Se(1954) Ie U.S. Air Force, Cambridge Research Center, 230 Albany Harvey Stump, Pres. / William J. Miller, VP St., Cambridge 39, Mass. / UNiversity 4-4720 Transistor Products, Inc., 241 Crescent St., Waltham 54, Developed the ABC (Automatic Binary Computer). Mass. / WAltham 5-9330 / *C Has a Computer Research Corp-102 / Ms Me IDe Transistors, diodes / Ms (150) Se (1952) le RMSa Ga Transitron Electronic Corp., 168 Albion St., Wakefield, U.S. Air Force, Digital Computation Branch (WCLJU), Mass. / CRystal 9-4500 / *C 58 W right Air Development Center, Wright-Patterson

[ 53 ] Air Force Base, Dayton, Ohio / CL 3-7111 (Day­ tal Computer; also IBM 701 / Ss (10) Se(1947) DAc ton), X 29235 / *C 58 RPCa Com putation services and associated research on University of California, Department of Mathematics, three large-scale digital computers, including two Numerical Analysis Research, Los -Angeles 24, Calif. Univac Scientifics (1103 and 1103A). Card pro­ / Granite 3-0971 and Bradshaw 2-6161 / *C 57 grammed calculators, Reacs, punch card machines; Research and teaching in use of digital computers for government use only / RCa Ms(50) Se(1950) for scientific computation. Operates SWAC. Main­ Dc tains for the Office of Naval Research a definitive U.S. Air Force, Inst. of Technology, Wright-Patterson research book collection in numerical analysis and Air Force Base, Dayton, Ohio / *C related areas, especially mathematics. Successor to Electronic strategy machine, conceived by 1. 1. National Bureau of Standards Institute for Nu­ Davis. Philbrick Reac and GEDA equipment on merical Analysis / Ss(25) Se(1945) Dc RPCa hand / Ms(300) Se(1946) DAle Ga University of Cambridge, University Mathematical Lab­ oratory, Corn Exchange St., Cambridge England / U.S. Air Force, Rome Air Development Center, Statis­ *C tical Services Div., Griffiss Air Force Base, Rome, N.Y. Built Edsac. Computing service (digital) for Uni­ / ROme 3200, X 7-1219 / *C 58 versity / Ss(30) Me(1939) Dc RCPa Computing service, analog, digital; for government only. Have Datatron 205, Elecom 120, Bendix digi­ University of Durham Computing Laboratory, One Ken­ sington Terrace, Newcastle upon Tyne, 2, England / tal differential analyzer D-12, Reeves electronic an­ alog computer, Benson-Lehner data reduction equip­ Newcastle 2-2457 / *C 58 Computing service. Has Ferranti Pegasus computer ment, considerable IBM data processing equipment / RCPa Ss (10) Se (1956) Dc / RCPa Ss(45) Se(1951) DAle University of Illinois, Digital Computer Laboratory, Ur­ U.S. Air Force, Structures Branch, Computation Div., bana, Ill. / EM 7-6611, ext. 2817 / *C58 Directorate of Management Analysis, Headquarters Computing service. Education including research USAF, Pentagon Bldg., Washington 25, D.C. / and teaching / RCPa Ms(51) Se(1949) Dc LIberty 5-6700, X 75136,77712/ *C58 Systems analysis reports; non-engineering types of University of Manchester, Mathematical Laboratory, computer applications; programming systems / Manchester, England / *C CGPa Ss(35) Se(1948) Dc Has automatic electronic digital computer built by Ferranti Electric Ltd. This laboratory developed U.S. Army, Ballistic Research Laboratories, Aberdeen much of the design / SS(8) Se(1947) Dc RPa Proving Ground, Aberdeen, Md. / *C UNIVERSITY OF MICHIGAN WILLOW RUN LAB­ Computing service (digital); for government and ORATORIES, Willow Run Airport, Ypsilanti, Mich. government contractors only / Ms Le DAc CPGa I NOrmandy 3-1511 / *C 58 U.S. Ceramic Tile Co., Diamonite Div. - see Diamonite Has general purpose digital and analog computers, Products Mfg. Co. electronic and electromechanical computers, and United States Dynamics Corp., 1250 Columbus Ave., simulators, including Librascope LGP 30, IBM 604, Boston 20, Mass. / HIghland 5-3850 / *C 57 desk calculators, and a modern large scale analog Silicon diodes and power rectifiers, transistors, ger­ computer. Computing services, including analysis manium diodes, and rectifiers, for computer and and computation using these types of computers / other uses / MS(100) Se(1955) Ic RMSa RCPa Ls(600) Sc(1946) DAc U.S. Electronics Development Corp., 3540 W. Osborn University of Rochester, Computing Center, Rochester Rd., Phoenix, Ariz. / APplegate 8-5591 / *C 58 20, N.Y. / Gr 3000 Capacitors / RMSa MS(80) Se(1956) Ie Computing services; Burroughs E101 computer, U.S. Naval Proving Ground, Dahlgren, Va. / NOrth IBM 650, available / Se(1956) Dc RMSCPa 3-2511 / *C 58 University of. Toronto, Computation Centre, Toronto Mathematical analysis and research, programming, Ontario, Canada / Walnut 3-1327 / *C 57 engineering, computing, and data processing serv­ Computing services. Programming and consulting ices for government and government contractors services. Time available on University of Toronto only; operates NORC computer and a variety of automatic computer Ferut / Ss Me Die RCPa auxiliary equipment / RCa Ms(160) Me(1942) Dc U.S. Navy, Aviation Supply Office, Data Processing V Division, Philadelphia, Pa. / *C 57 Valor Electronics Inc., 13214 Crenshaw Blvd., Gardena, Operates IBM 650 and IBM 702 for inventory con­ Calif. / DAvis 3-6160 / *C 58 trol. Government use only / Ls Me Dc Ga Delay lines, pulse transformers, transistor checkers, U.S. Navy, Naval Research Laboratory, Washington 25, transistorized power supplies, computer core storage D.C. / JO 3-6600 / *C 57 units / RMSCa Ms(50) Se(1953) Ie NAREC digital computer. Analog computers, servo Vari-Ohm Corp., Sunrise Highway, Amityville, N.Y. mechanisms and data reduction / Ls (3400) Le Potentiometers / Ic RMSa (1923) D~Sc RCGPa Vari-Typer Corp., subsidiary of Addressograph-Multi­ Univ. of California, Berkeley, Calif. / *C 56 graph Corp., 720 Frelinghuysen Ave., Newark 12, Computing service. Has CALDIC, California Digi- N.J. / BIgelow 2-2600 / *C 58

[ 54 J Vari-typer that composes type for reproduction by Electric control devices: resistors, relays, rheostats, any duplicating method I RMSa Ls (900) Me (1933) contactors, etc. I RMSa Ls (1000) Le (1892) Ic Vaucanson, 11 Rue du Surmelin, Paris 20e, France I The George Washington University, Logistics Research MENilmontant 83-40 I *C 57 Project, 707 22nd St., N.W., Washington 7, D.C. I Calculating machines I Ms(400) Le(1896) Dc STerling 3-4539 I *C 58 RMSa Research in logistics data processing under contract Vectron, Inc., 1635 Trapelo Rd., Waltham 54, Mass. I with the Office of Naval Research; ONR relay com­ TWinbrook 3-8700 I *C 58 puter, ONR digital computer I RCPa Ss(40) Se Commercial microwave spectrum analyzers; custom (1949) Dc design, manufacturing, of precision electrical and Waters Mfg. Inc., Boston Post Rd., Wayland, Mass. I electro-mechanical equipments; special computers I ELmwood 8-2777 I *C 58 RMSCa Ms(200) Se(1949) Ie Potentiometers, pothook panel mounts, panel meter, Veeder-Root Inc., 70 Sargeant St., Hartford 2, Conn. I chokes, coils, torque watch gauges, instruments, JAckson 7-7201 I *C 58 potentiometer test equipment I RMSa Ms (150) Se Analog-to-digital converters; electronic counters; (1951) Ie mechanical and electro-mechanical counting devices for all counting requirements I RMSa Ls (1200) Watson Scientific Computing Laboratory, 612 West 116 Me(1928) Ie St., New York, N.Y. I MOnument 6-9600 I *C 58 The pure science department of International Busi­ Vernistat Div. of the Perkin-Elmer Corp., Main Ave., ness Machines Corp. Computing and consulting Norwalk, Conn. I Vietor 7-2441 I *C 58 service using: simultaneous linear equation solver; Precision AC linear and nonlinear potentiometers; astronomical plate measuring machine; IBM punch function generators RMSa Ss(25) Se(1955) Ie I card machines, and computers. Research and in­ Vickers Inc., Electric Products Div., 1889 Locust St., St. struction I RCPa MS(100) Me(1945) DAc Louis 3, Mo. I CEntral 1-5830 I *C 58 Fire control equipment, magnetic clutches, mag­ Wayne-George Corp., 1117 Commonwealth Ave., Bos- netic amplifiers, automatic controls, rectifiers and ton 15, Mass. I STadium 2-3737 I *C 58 semiconductors, nuclear instrumentation compo­ Analog to digital converters and associated data nents and systems; electrical converters, diodes, handling equipment; special purpose digital com­ frequency and servo multipliers, power supplies puters; packaged computer circuits; amplifiers I I RMSa ?s Me(1948) Ic RMSCa Ss(40) Se(1956) DAc Victor Adding Machine Co., 3900 No. Rockwell St., Wayne State University, Computation Laboratory, Cass Chicago 18, Ill. I KEystone 9-8210 I *C 57 Ave., Detroit 2, Mich. I TEmple 1-1450 I *C 57 Digital computers and related integrated data proc­ Computing service: digital. Instruction and train­ essing systems. Digit-matic plain or calculating ing. Have computer with 5300-word magnetic drum printers. Adding machines, etc. I Ls (2200) Le memory plus 100-word magnetic core memory built (1918) Dc RMSa of Burroughs pulse control equipment. Also IBM Visirecord, Inc., 54 Railroad Ave., Copiague, L.I., N.Y. 650 I Ss(40) Se(1950) DAc RCPa I Amityville 4-4900 I *C Jervis B. Webb Co., 8951 Alpine Ave., Det~oit 4, Mich. Filing systems for all types of common language I WE 3-8010 I *C 58 tapes in computers. Control on edge--punched Conveyor engineering and manufacturing. Servo­ cards in conjunction with mechanical and electronic mechanisms, automatic control machinery, automatic business machines I ?e Ms (300) Ic RMSa materials handling machinery, pneumatic, hydraulic and electrical testing equipment I RMSCa Ms (400) W Le(1919) SCMc Weems System of Navigation, 227 Prince George St., Waldorf Instrument Corp., Park Ave., Huntington, N.Y. Annapolis, Md. Analog computers, digital computers I DAc RMSa Automatic navigation systems I Me Ic RCPMSa THE WALKIRT CO., 141 West Hazel St., Inglewood 3, Calif. I OR 8-4814 I *C 58 West Coast Electronics Co., 5873 W. Jefferson Blvd., Los Plug-in pulse circuit packages; complete counters, Angeles 16, Calif. multivibrators, amplifiers, gates, triggers, pulse gen­ Analog computers, data processing machinery I erators, etc. I RMSa Ss(35) Se(1948) Ic Ale RMSa Wes Kirchoff, Pres. I Jim Robinson, Chief Engr. Western Lithograph Co. - see Westline Products Div. Wallind-Pierce Corp. - out of business of Western Lithograph Co. Wang Laboratories, 37 Hurley St., Cambridge 39, Mass. Westgate Laboratory ,Inc., 506 So. High St., Yellow I TRowbridge 6-1925 Springs, Ohio I ROckwell 7-7375 I *C 58 Magnetic delay-line memory units. Digital signal Research, development, prototype, and small lot pro­ generators. Multiple scalers. Static magnetic mem­ duction in electronics, physics, optics and photog­ ory systems and other devices. Shaft digitizing raphy; simulators and missile- guidance equipment, coders I SS(8) Se(1951) Die RCMSa digital computing and consulting services, controls, Ward Leonard Electric Co., 90 South St., Mt. Vernon, coordinate transform, sine-cosine resolvers I RMSCa N.Y. I *C 58 Ss(15) Se(1956) DCIc [ 55] WESTINGHOUSE ELECTRIC CORP., AIR ARM Wharf Engineering Lab., Fenny Compton, Warwick­ DIVISION, P.O. Box 746, Baltimore 3, Md. I SOuth­ shire, England I 230 I *C 58 field 1-1000 I *C 58 Magnetic drums, magnetic heads, tape readers, tape Design, development, and production of airborne punches / RMSCa Ss(10) Se(1948) Ie electronics equipment and components for the Wheeler Electronic Corp., Subsidiary of Sperry Rand Armed Forces and aircraft industry including: at­ Corp., 150 E. Aurora St., Waterbury 20, Conn. I tack armament systems, missile systems, reconnais­ PLaza 4-5191 I *C 58 / sance systems, defensive armament systems, space systems, and devices and components, i.e., airborne Transformers, reactors, amplifier assemblies, delay and special purpose analog computers (WETAC­ lines, magnetic amplifiers, cable assemblies I RMSa WESTAC) and digital (WEDAC) I RMSa Ls Ms(400) Me(1935) Ie (3800) Se(1951) DAle Wheelock Signals, Inc., 273 Branchport Ave., Long Dr. S. W. Herwald, Div. Mgr. I N. V. Petrou, Eng. Branch, N.J. I CApital 2-6880 I *C 58 Mgr. Industrial and military electro-magnetic relays I RMSa Ms(200) Le(1922) Ie Westinghouse Electric Corp., Analytical Department, East Pittsburgh, Pa. I Express 1-2800 I *C 57 Wiancko Engineering Co., 255 North Halstead Ave., Computing service (digital and analog) using: Elec­ Pasadena, Calif. tronic and passive element analog computers; ana­ Digital ballistics analyzer computer, computer com· log-to-digital conversion equipment; automatic con­ ponents, etc. I DAIe RMSa trol devices. DC and AC calculating boards (net­ Winchester Electronics, Inc., Willard Rd., Norwalk, work analyzers); ANACOM computer. IBM Type Conn. I TEmple 8-8433 I *C 58 704. Dynamic analyses of physical systems, includ­ Electronic connectors, terminals, hoods RMSa Ls ing transient phenomena in mechanical and elec­ I trical systems; servomechanisms, and regulating sys­ (600) Me(1942) Ie tems; nuclear reactor calculations; field mapping; Wright Aeronautical, Wood Ridge, N.J. I PRescott operations research I Ls (corporation, 100,000; dept., 7-2900 I *C 56 50) Se(dept., 1952) DASc RMSCPa Data processing machines, components I DIe RMSa Westinghouse Electric Corp., Semiconductor Dept., Wright Engineering Co., 180 E. California St., Pasadena, Youngwood, Pa. I W A 5-7272 I *C 58 Calif. Semiconductor products" silicon rectifiers, silicon Analog-to-digital converters, magnetic drums I Ie and germanium transistors and diodes I RMSa Ls RMSa (600) Se(1955) Ie y WESTLINE PRODUCTS DIV. OF WESTERN LITHO­ GRAPH CO., 600 E. 2nd St., Los Angeles, Calif. The Yale & Towne Manufacturing Co., Powdered Metal I TRinity 2641 I *C 58 Products Div., 9335 W. Belmont Ave., Franklin Self-adhering markers, labels, tapes, terminal strips, Park, Ill. I NAtional 5-8585 I * C 58 dynamic balancer identification tapes, and other Magnetic and ferrite cores; magnets I RMSa Ms markers made to required specifications, for com­ (300) ?e Ie puter and other uses I RMSCa Ms(350) Me(1941) le z Maury Engle, VP I Laird Swan, Ch. Eng. Zator Co., 79 Milk St., Boston 9, Mass. I LIberty 2-4624 Weston Instruments, Div. of Daystrom, Inc., 614 Fre­ I *C linghuysen Ave., Newark 12, N.J. I BIgelow 3-4700 Digital equipment and systems for coding, filing, I *C 58 and finding information (Zato coding systems) . Indicating, recording, and controlling instruments; High-speed selectors for notched cards. Methods product resolvers, input-output devices, multipliers, for use of digital computing machines to recover relays, resistors I RMSa ?s Le (1888) Ie information I Ss Se (1947) Ie RCSa Zeuthen & Aagaard Ltd., 6 Esplanaden, Copenhagen, Westrex Corp., 111 Eighth Ave., New York 11, N.Y. / Denmark I Central 3795 I *C CH 3-2300 I *C 58 Portable adding machine (Contex); directing mach­ Magnetic recording equipment and associated items. ine (Rex-Recorder) with magnetic recording on Magnetic heads I RMSCa Ls(1400) Me(1926) Ie plastic disc using impregnated particles and per­ mitting more than 10,000 reuses; duplicating mach­ Westronics, Inc., 3605 McCart, Ft. Worth, Texas I ines, etc. I Ls Le Ie RMSa WA 3-2986 I *C 58 Research and manufacturing in electronic instrumen­ Zuse Kommandit-Gesellsch~ft, Kreis Hunfeld, Neu­ tation; recording potentiometers, null-balance, strip kirchen, West Germany I - I *C 57 charts; analog and digital computers; analog to dig­ Relay and electronic digital computers I Ms (180) ital converters I RMSa Ss(30) Me(1945) Ie Se(1949) Dc RMSa

[ 56 ] Part 2 of· THE COMPUTER DIRECTORY AND BUYERS' GUIDE, 1958, the June, 1958, issue of "Computers and Automation"

BUYERS' GUIDE

FOR

THE COMPUTER FIELD:

PRODUCTS AND SER VICES FOR SALE OR RENT

(Cumulative, information as of May 15, 1958)

The purpose of this roster "The Buyers' Guide for Product Entry Form the Computer Field: Products and Services for Sale or for Rent" is to give information about the existence and THE COMPUTER DIRECTORY and in many cases the properties of every product or service BUYERS' GUIDE, 1958 in the computer field that is offered for sale or rent and THIS IS THE INFORMATION WE WANT that we have been able to learn something about. This FROM YOU: is the fourth cumulative edition of this roster, contain­ 1. Name or identification of product (or service) r ing approximately 3220 entries. Kinds of Entries. There are three kinds of entries in 2. Brief description (20 to 50 words): ...... _.... _...... this list: expanded bold face entries; cross reference en­ tries and ordinary entries. An expanded bold face entry contains or should contain the following information: 3. How is it used ?...... Name of supplier and address / name or identifica­ tion of product or service / DESCR: a brief de­ 4. What is the price range ?...... scription of the product in about 20 to 50 words, or more / USE: how it is used / price range, and 5. Under what headings should it be listed ?...... whether for sale or rent Every entry is subject to editing. These entries are set (See the 1958 list of 172 headings on a separate in bold face type, and a nominal charge of $10 is re­ sheet, or the 1957 list of 69 headings on the back quested for printing them, except that a display ad­ of this sheet) vertiser receives a number of such entries free depending HERE IS THE INFORMATION WE PUBLISHED on the amount of display advertising. LAST YEAR (or have in our file) : Ordinary entries consist of just the name of the or­ Entry: ganization, listed under the product class. (IN ote: The number at the . Cross-reference entries show that a product listed end of the entry is the under one product heading is described more fully 1957 heading number­ under another product heading. see the 1957 list on the re­ Abbreviations. The abbreviations used include: DESCR verse side.) - description; *a - address above (where several prod­ Additions, ucts made by one supplier are listed in succession). changes, Corrections. We have tried to make each entry correct remarks? to the extent of information in our possession. But it is Organiza ti on ______.______inevitable that at least some errors have occurred, and we Address ______shall be glad to publish corrections. Filled in by ______Title______Questionnaire. Nearly all the entries in this roster have Date ______been derived from answers to questionnaires which we sent When filled in, please send this form to Computers and out in February and March to over 700 suppliers in the Automation (address above), with $10.00 requested computer field. The expanded earries have been derived charge for an expanded bold-face entry, on or before mainly from answers given on the "Product Entry Form," APRIL 25, 1958. which follows: ( ) $10.00 enclosed

[ 57 ] LIST OF HEADINGS

As a guide to the products and services offered in the Converters, Electrical ...... _...... -C35 computer field, please refer to the following list of 188 - High Frequency -C36 headings under which products and services are c1assi­ - Low Frequency -- C37 field. There is overlapping among these headings; it - Power Frequency -- C38 may be necessary or desirable to look under more than Converters, Information ...... - C39 one heading. - Analog to Digital -- C40 - Card to Magnetic Tape -C4I A: Adding Machines -- Al - Card to Paper Tape -- C42 Addressing Machines -- A2 - Analog to Digital -- C40 Amplifiers ...... -A3 - Card to Magnetic Tape -- C4I -Magnetic -A4 - Card to Paper Tape -- C42 Analog Computers (SEE Computers, Ana­ - Computing -C43 log) - Digital to Analog - C44 Automatic Assembly Equipment -A5 Magnetic Tape to Card -C45 Automatic Control Equipment -A6 - Magnetic Tape to Paper Tape - C46 B: Boards - Plotting -- BI - Paper Tape to Card -C47 -Plug -- B2 - Paper Tape to Magnetic Tape -C48 -Strip Type -B3 Cords - C49 Bobbins, Coil Winding .-B4 Cores ...... _...... -- C50 Breadboard Kits -B6 - Ferrite -- C5I -Magnetic -- C52 c: Cable -- CI Counters ...... -C53 Cable Assemblies -- C2 - Electronic - C54 Cameras ...... -C3 - Frequency -C55 Data Recording -C3A - Mechanical -- C56 Capacitors (Computer Types) - C4 - Proportional -- C57 Cards (SEE ALSO Punch Cards) -0 Courses by Mail (Computer Field) -- C58 -Punch -C6 D: Data Processing Machinery (SEE ALSO -Magnetic -- C7 specific types) -- DI Chassis - Metal -- C8 Data Recording Equipment (SEE ALSO Circuits ..... _...... Input/Output devices) --D2 - Arithmetical (for Digital Computers) -- C9 Data Reduction Equipment -- D2A - Computer, Packaged -- CIO Delay Lines (Computer Types) -D3 - Logical (for Digital Computers) -- C11 Desk Calculators --D4 - Plug-in -- CI2 Dials -D5 - Potted -- CI3 Differential Analyzers -D6 - Printed -- CI4 Diodes (Computer Types) --D7 Clutches ...... -- CI5 -Germanium --D8 - Magnetic -- CI6 -Power -D9 Coatings ...... -- CI7 - Silicon -- DIO - Conductive -- CI8 Discs, Magnetic --D11 - Protective -- CI9 Drums, Magnetic -- DI2 Salt Spray Resistant -- C20 Coils (Computer Types) -- C2I E: Economic Research -- EO Commu~ications Systems (Computer Education (see also courses) -- EI Types -- C22 Embedded Assemblies and Components -- E2 Computers (SEE ALSO specific types) -- C22A F: Facsimile Equipment -- FI Computers, Analog -- C23 Fans and Blowers -- FIA Computers, Digital -- C24 Fasteners and Fastening Devices -- F2 Computers, Special Purpose -- C24A Fire Control Equipment -- F3 Computers, Test Equipment -- C25 G: Generators, Function -- GI Computer Components (SEE ALSO specific - Electronic -- G2 types) -- C26 - Mechanical -G3 Computing Services ...... -- C27 Geophysical Apparatus -G4 - Digital -- C28 Connectors -- C29 H: Heads, Magnetic ...... -- HI Consulting Services -- C30 - Reading --H2 Controls ...... -- C3I - Recording -. H3 - Automatic -- C32 I: Indicators (Computer Types) --11 - Signaling -- C33 Information Retrieval Devices -- 12 - Sorting and Counting -- C34 Input/Output Devices -13

[ 58 ] Integrators ...... 14 Recording Papers -R9 - Electronic 15 Rectifiers R10 - Mechanical 16 Registers, Shift Rll Inventory Systems 17 Relays (Computer Types) R12 J: Jacks -J1 Resistors R13 K: Keyboards --K1 Resolvers ...... R14 L: Lights, Indicator -- L1 - Coordinate Transform R15 M: Magnets --M1 - Product R16 Markers -- M1A - Sine-Cosine R17 Memory Systems --M2 Robots R18 Molded Plastics -- M2A IS: Scanners Sl Multipliers ...... M3 Semiconductors -- S2 -Diode M4 Simulators -S3 - Electronic M5 Soldering Irons -S3A - Frequency M6 Storage Systems ...... S4 -Servo M7 -Magnetic S5 0: Office Machines -- 01 Switches ...... S6 Operations Research -- 02 -Stepping S7 P: Panels ...... P1 Synchros S8 -Jack P2 Systems Engineering S9 - Relay Rack P3 T: Tachometers T1 Paper Tape P4 Tape Handlers --T2 Patch Cords P5 Tape, Magnetic ...... -T3 Plotters (SEE ALSO Boards - Plotting) P6 - Filing Systems -T3A Plugboards -P6A - Readers -- T4 Potentiometers (Computer Types) -- P7 - Recorders -- T5 Power Supplies - Regulated -- P8 Reels -T5A Printers ...... -- P9 Tape, Paper ...... T6 - High Speed P10 - Filing Systems --T7 -Keyboard -- Pll - Punches -- Ts - Line-a-time -- P12 - Readers -T9 Programming Services -- P12A Telemetering Systems -- T10 Publications ...... _.... . P13 Terminals --Tll - Magazines -- P15 Transducers -- T11A Punch Card Machines -- P16 Transformers T12 R: Readers ...... R1 - Pulse T13 - Character R2 Transistors ..... _...... T14 - Magnetic Card R3 -Germanium T15 - Magnetic Tape R4 - Silicon T16 - Mechanical R5 Translating Equipment T17 -Paper Tape R6 Typewriters, Electric, Controlled --T18 -. Photoelectric R7 Tubes, Electronic -- T19 - Punch Card R8 V: Visual Output Devices -- V1

ORGANIZATIONS WITH EXPANDED BOLD FACE ENTRIES

The following 125 organizations have Automation Engineers Co. Calvert Electronics one or more expanded bold face entries and Autonetics, Div. of North American Cambridge Thermionic Corp. / or advertising in the Computer Directory. Aviation Circuit Engineering Avco Mfg. Corp. C. P. Clare & Co. Airpax Products Co. Beckman Instruments, Berkeley Div. CBS-Hytron Aladdin Electronics Bendix Aviation Corp., Bendix Computer Comptometer Corp. Amperex Electronic Corp. Div. Control Electronics Co. Ampex Corp., Instrumentation Div. Berkeley Enterprises, Inc. Cubic Corp. American Molded Products Co. Bourns Lab. Corp. for Economic and Industrial Research Amphenol Electronics Corp. Bowles, Andrews & Towne, Inc. Dale Products, Inc. ANelex Corp. Bowmar Instrument Corp. Dasol Corp. Andersen Lab. Inc. Bristol Co. Datamatic Corp. Arma Div. of American Bosch Arma Corp. Bryant Gage & Spindle Div. The de Florez Co. Arnold Engineering Burroughs Corp. Dialight Corp. Audio Devices, Inc. Automatic Electric Co. Burroughs Corp., ElectroData Div. Dian Labs. Automatic Office Consultants Business Electronics, Inc. Edin Co., Inc. [ 59 ] Al Thomas A. Edison, Inc. George F. Kelk, ltd. Remington Rand Univac Div. of Sperry Electro-Mechanical Research A. Kimball Co. Rand Electrometric Inc. laboratory for Electronics, Computer Prod-, Richardson Camera Co. Electro Motive Mfg. Co. ucts Div. Royal McBee Corp. Electronic Associates landis & Gyr Sangamo Electric Co. Electronic Computer Programming Inst. librascope, Inc. Schweber Electronics Electronic Engineering Co. link Aviation Seismograph Service Corp. ESC Corp. Arthur D. little Sorenson & Co. Facit, Inc. Magnetic Metals Co. Soroban Engineering Inc. Ferranti Electric, Inc. Magnetics Research Co. Southwestern Computing Service Ferroxcube Corp. Alan O. Mann & Assoc. Sperry Semiconductor Div. of Sperry Rand The Foxboro Co. Marchant Calculators Corp. ' Friden Calculating Machine Co. Maurey Instrument Corp. The Standard Register Co. H. S. Gellman & Co. Miles Reproducer Co. Steward Mfg. Co. 'General Electric Co. H. Jefferson Mills, Jr. Sutherland Co. ·General Instrument Corp. Minneapolis-Honeywell, Florida Sylvania Electric Products General Kinetics, Inc. Monroe Calculating Machine Co. Sylvania Electronics Div. Genisco, Inc. National Cash Register Co. Tammen & Denison The Geotechnical Corp. National Co. Technitrol Engineering Gille Associates, Inc. Non-linear Systems, Irk. Telemeter Magnetics Hammarlund Mfg. Co. Norton Assoc. Trans Electronics Inc. Harrison labs. Oryx Co. Univ. of Michigan, Willow 'Run labs. Harvey-Wells Electronics Owen labs, Inc. The Walkirt Co. Hillburn Electronic Product Co. George A. Philbrick Researches, Inc. Western lithograph Co. Hoover Electronics Co. Phi1co Corp., Govt. & Industrial Div. Hydro Molding Co. Potter Instrument Co. Westinghouse Electric Corp., Air Arm Div. Industrial Nucleonics Corp. Radio Corp. of America Westline Products, Div. of Western litho- International Business Machines Corp. The Ramo-Wooldridge Corp. graph Co. KCS Data Control ltd. Raytheon Mfg. Co. John Wiley & Sons, Inc.

ROSTER OF PRODUCTS AND SERVICES A 1. Adding Machines A2. Addressing Machines for transistorized read amplifiers for R. D. Allen Business Machines, Inc. / Al magnetic drums) / A3 Elliott Addressing Machine Co. / A2 The Franklin Institute Lab. / A3 Burroughs Corp. / Al The Walter S. Kraus Co. / A2 Clary Corp. / Al General Electric Co., Computer Dept. / Comptometer Corp. / Al A3 Facit, Inc. / Al A3. Amplifiers The Geotechnical Corp. / A3 The Franklin Institute lab. / Al Industrial Control Co. / 1A3 Beckman Instr. Inc., Systems Div. / A3 Industrial Nucleonics Corp. / A3 Lanston Industries, Inc. / Al Beckman Instruments, Berkeley Div. ! Litton Industries, Inc. / Al Mack Electronics / A3 A3 Minneapolis-Honeywell Regulator Co., Marchant Calculators, Inc. / Al Bendix Aviation Corp., Eclipse-Pioneer MONROE CALCULATING MACHINE Boston Division / A3 Div. / A3 Minneapolis-Honeywell Regulator Co., In- CO., Orange, N. J. / Adding Machines Bendix Aviation Corp., Research labora­ / DESCR: Monroe adding machines in­ dustrial Div. / A3 tory Div. / A3 Norden-Ketay Corp. / A3 clude 80 models in the following Centronix Inc. / A3 groups: simplex, duplex, grand total, Ortho Filter Corp. / A3 wide carriage, shuttle carriage, lO-key COMPTRON CORPORATION, 778 John Oster Mfg. Co., Avionic Div. / A3 or full keyboard, 8 to 14 columns of Pleasant St., Belmont 79, Mass. / Potter Instrument Co. / A3 keys, both manual and electric. Certain transistorized digital data-handling am­ Radiation Counter Laboratories, Inc. / models are equipped to punch tape as plifiers / DESCR: transistorized low­ A3 a by-product of the regular printed level printed circuit amplifier / USE: Sangamo Electric Co. / A3 record. Other models are solenoid in digital computing and control cir­ Saunders & Co. / tA3 cuits to amplify signals received from operated / $149.50 to $1850 / Al Servo Corp. of America / A3 magnetic tape, magnetic drum, mag­ -Olivetti Corp. of America / Al Short Bros. & Harland Ltd. / A3 netic core memory systems, and ampli­ REMINGTON RAND, DIV. OF SPER­ F. W. Sickles Division, General Instru­ fy them to logic voltage / $25 to $75 RY RAND CORP., 315 4th Ave., New ment Corp. / A3 York 10, N. Y. / Electric Adding Ma­ / A3 Societe d'Electronique et d' Automatisme chine / DESCR: lO-key operated by Computer Engineering Associates, Inc. / / A3 touch method / USE: business figure­ A3 Specialities, Inc. / A3 work / $301 to $625/ Al Consolidated Electrodynamics Corp. / A3 Strand Engineering Co. / A3 REMINGTON RAND, DIV. OF RAND Donner Scientific Co. / A3 Wayne-George Corp. / A3 CORP., 315 4th Ave., New York 10, Edin Co., a Div. of Epsco, Inc. / A3 Wheeler Electronic Corp., Sub. of Sperry N. Y. / Model 99 Calculator that Electrol, Inc. / A3 Rand Corp. / A3 prints / DESCR: automatic multiplica­ Engineered Electronics Company / A3 Epsco, Inc. / A3 tion and division; lO-key touch addi­ A4. Magnetic Amplifiers tion and subtraction; automatic credit FERRANTI ELECTRIC, LTD., Industry balance / USE: for figurework where St., Toronto 15, Ontario / amplifiers / Airpax Products Co. / A4 'printed proof of computations is de­ DESCR: / special purpose transistor­ American Electronics, Inc. / A4 sired / $685 to $785 / Al ized (and/or tubes where required) am­ American Research & Mfg. Corp. / A4 Smith-Corona, Inc. / Al plifiers; read and write amplifiers / Belock Instrument Corp. / A4 Underwood Corp. / Al USE: magnetic recording: operational Bendix Aviation Corp., Eclipse-Pioneer . :Victor Adding Machine Co. / Al amplifiers; logarithmic amplifiers . Div. / A4 Zeuthen & Aagaard Ltd. / Al (Note: standard package and card file Canadian Applied Research ltd. / 1A4 [60 ] Canadian Westinghouse Co., Ltd., Elec- Bergen Laboratories I A6 Measurement Engineering Limited I A6 tronics Div. I A4 Bowser, Inc. I A6 Minneapolis-Honeywell Regulator Co., In­ Celco I A4 THE BRISTOL COMPANY, P. O. BOX dustrial Division I A6 Centralab I A4 1790 CAG, Waterbury 20, Conn. I National Bureau of Standards, Data Pro- Centro nix Inc. I A4 measuring and automatic control instru­ cessing Systems Div. I A6 Consolidated Controls Corp. I A4 ments and components for computing Norden-Ketay Corp. I A6 Consolidated Electrodynamics Corp. I A4 and automation I DESCR: automatic Notifier Corp. I tA6 Control Data Corp. I A4 recording, indicating, signalling, alarm Opad Electric Co. I A6 Thomas A. Edison Industries I A4 and telemetering instruments for all Panelli t, Inc. I A6 Epsco Components I A4 basic measurable functions, including Philips Electronics, Inc., Instruments Div. Federal Telephone and Radio Co. I A4 electronic components, choppers, sock­ I A6 Feedback Controls, Inc. I A4 et screws, recording papers, remote Potter Instrument Co., Inc. I A6 Ford Instrument Co., Div. of Sperry positioners I USE: all industrial, labor­ The Ramo-Wooldridge Corp. I A6 Rand Corp. I A4 atory and other functional purposes I Ransom Research I A6 The Franklin Institute Lab. I A4 A6 J. B. Rea Co., Inc. I A6 Gulton Industries, Inc. I A4 Coleman Engineering Co. I A6 Reeves Instrument Corp. I A6 Johnson Electronics Inc. I A4 Computing Devices of Canada, Ltd. I A6 Saunders & Co. I A6 Kepco Laboratories, Inc. I A4 Consolidated Avionics Corp. I A6 Servo Corp. of America I A6 Magnetics Research Co. I A4 Consolidated Electrodynamics Corp. I A6 Servomechanisms Inc. I :A.6 George A. Philbrick Researches, Inc. I Control Data Corp. I A6 Societe d'Electronique et d' Automatisme­ A4 Cook Electric Co. I :A6 I A6 Southwestern Industrial Electronics Co. / Polyphase Instrument Co. I A4 Curtiss-Wright Corp., Electronics Div. I Sangamo Electric Co. I A4 A6 A6 Strand Engineering Co. A6 Servo Corp. of !America I A4 Data Systems Div., Norden-Ketay Corp. I F. W. Sickles Division, General Instru­ Stromberg-Carlson, A Div. of General I A6 ment Corp. I A4 Daystrom Inc., Daystrom Systems Div. / Dynamics Corp. I A6 Taller and Cooper I A6 Societe d'Electronique et d'Automatisme A6 Taylor Instrument Co. A6 I A4 Daystrom Transicoil Corp. I A6 I Telectro Industries Corp. I A6 Southwestern Industrial Electronics Co. / Donner Scientific Co. I A6 A4 The Thompson-Ramo-Wooldridge Prod- Eagle Signal Corp. I A6 Specialities, Inc. I A4 ucts Co. I A6 Electrical and Physical Instrument Corp. Vickers Inc., Electric Products Div. I A4 Univ. of Sydney, Australia I :A6 I A6 Wheeler Electronic Corp., Sub. of Sperry Vickers Inc., Electric Products Div. I A6 Rand Corp. I A4 Electronics Corp. of America I A6 Jervis B. Webb Co. I A6 Epsco, Inc. I A6 AS. Automatic Assembly Equipment Farrand Controls, Inc. I A6 B 1. Boards, Plotting Automation Management, Inc. I :A5 FERRANTI ELECTRIC, INC., 95 Madi­ Accurate Electronics Corp. I Bl Bowmar Instrument Corp. I AS son Ave., Hempstead, N. Y. I precision Aero Electronics Co. I Bl Electro Products Laboratories, Inc. I A5 measuring equipment I DESCR: Pro­ Belock Instrument Corp. I Bl The Foxboro Co. I AS duces digital measurement of position Benson-Lehner Corp. I Bl GEORGE A. PHILBRICK RESEARCHES, using diffraction grating reference. Ac­ California Computer Products I Bl INC., 230 Congress St., Boston 10, curacies to 0.0001". Equipment in­ FERRANTI ELECTRIC, LTD., Industry Mass. I Electronic analog computers I cludes gratings, optical unit, and coun­ St., Toronto 15, Ontario I plotting DESCR: research, design, and manufac­ ters I USE: metrology; analyses of boards I suitable for weather and simi­ ture of analog computers, ranging from photographic records I $6,000 to $7,000 lar charts I B 1 operational amplifiers and power sup­ for two axes system I A6 Ford Instrument Co., Div. of Sperry Rand plies to complete computing facilities, FERRANTI ELECTRIC, LTD., Industry Corp. / Bl modular construction I USE: measure­ St., Toronto 15, Ontario I Automatic Servo Corp. of America I B 1 ment and synthesis through vlotages I control equipment I DESCR: complete­ components from $24 to $1750; com­ ly engineered systems for automatic con­ B2. Boards, Plotting, Plug plete installations $1015 to $60,000 I trol of machine tools; automatic con­ Accurate Electronics Corp. I B2 AS trol for atomic reactors; customer­ CAMBRIDGE THERMONIC CORP., 445- Reeves Instrument Corp. I A5 engineered automatic control systems Concord Ave., Cambridge 38, Mass. I Shallcross Mfg. Co. I A5 for industrial applications I A6 electronic and electrical components / Strand Engineering Co. I A5 Fischer & Porter Co. I tA6 DESCR: miniature and sub-miniature Jarvis B. Webb Co. I A5 Ford Instrument Co., Div. of Sperry Rand plugs and jacks; gold, silver and other Corp. I A6 finish terminals; terminal boards; press. A6. Automatic Control Equipment The Foxboro Co. I A6 mount and spring loaded diode clips; Advanced electronics, Inc. I tA6 General Automatics, Inc. I A6 panel and chassis hardware; insulated Aeronca Mfg. Corp. I A6 General Controls Co. I A6 terminals; coils and coil forms; capaci­ Allen-Bradley Co. I A6 General Electric Co., Computer Dept. I tors I USE: individual piece part com­ American Electronics, Inc. I A6 A6 ponent I under $5 I B2 Armour Research Foundation I A6 Gilmore Industries I A6 Donner Scientific Co. I B2 Askania Regulator Co. I A6 The A. W. Haydon, Co. I A6 Link Aviation, Inc. I B2 Assembly Products, Inc. I A6 Hughes Research and Development Lab. Reeves Instrument Corp. I B2 The Austin Co. / A6 I A6 Saunders & Co. I B2 Automatic Electric Co. I A6 Industrial Nucleonics Corp. I A6 B3. Boards, Plotting, Type Automation Controls Corp. I A6 International Telemeter Corp. I tA6 Strip Autonetics, Div. of North American Avi- International Telephone and Telegraph Accurate Electronics Corp. / B3 ation, Inc. I A6 Corp. I A6 CAMBRIDGE THERMIONIC CORP.,. Babcock Radio Engineering, Inc. I A6 A. KIMBALL CO. - see D 1 I A6 445 Concord Ave., Cambridge 38, Mass. Beckman Instrument Inc., Systems Div. / Leeds & Northrup Co. I A6 I Electronic and electrical components A6 Librascope, Inc. I A6 I DESCR: miniature and sub-miniature Belock Instrument Corp. I A6 Link Aviation, Inc. I A6 plugs and jacks; gold, silver and other Bendix Aviation Corp., Research Labora­ Mack Electronics I A6 finish terminals; terminal boards; press tories Div. I A6 The W. L. Maxson Corp. I A6 mount and spring loaded diode clips;. [ 61 ] B3 panel and chassis hardware; insulated Benson-Lehner Corp. / C3A The British Tabulating Machine Co., Ltd. terminals; coils and coil forms; capaci­ Canadian Applied Research Ltd. / C3A / C6 tors / USE: individual piece part com­ Centronix, Inc. / C3A . National Data Processing Corp. / C6 ponent / under $5 / B3 Century Electronics & Instruments, Inc. Techniques, Inc. / B3 / C3A C7. Cards, Magnetic Coleman Engineering Co. / C3A Control Data Corp. / C7 B4. Bobbins, Coil Winding Cook Electric Co. / C3A Hughes Aircraft Co. / C7 Acroscope Engineering Co. / B4 Flight Research, Inc. / C3:A Advanced Electronics, Inc. / B4 The Geotechnical Corp. / C3A C8. Chassis, Metal AJden Products Co. / B4 Gordon Enterprises / C3A Alden Products Co. '; C8 AMERICAN MOLDED PROD. CO., 2727 Bill Jack Scientific Instrument Co. / C3A Measurement Engineering, Limited / C8 W. Chicago Ave., Chicago 22, 111. / Laboratory for Electronics, Inc., Com- Qutronic Semiconductor Corp. / D8 Bobbins / DESCR: Molded nylon and puter Products Div. - See VI / C3A C.9 Circuits, Arithmetical (for Digital Buoro-carbon / USE: transformers, re­ Notifier Corp. / C3A Computers) lays, vibrators, etc. / - / B4 Radiation Counter Laboratories, Inc. / HYDRO MOLDING CO., INC., 100 C3A Aeronca Mfg. Corp. / C9 Sharron Ave., Plattsburgh, N. Y. / J. B. Rea Co., Inc. / C3A Computing Devices of Canada, Ltd. / C9 precision molded bobbins / DESCR: Richardson Camera Co. - See D2A / Consolidated Avionics Corp. / C9 bobbins for coil winding. / - / - / C3A Control Data Corp. / C9 B4 Strand Engineering Co. / C3A Corbin Corp. / C9 Shallcross Mfg. Co. / B4 FERRANTI ELECTRIC, LTD., Industry C4. Capacitors (Computer Types) St., Toronto, Ontario / arithmetical B6. Breadboard Kits Aerovox Corp. / C4 circuits / DESCR: standard or custom­ Alden Products Co. / B6 Allen-Bradley Co. / C4 engineered cir,cuits for all arithmetic Bowmar Instrument Corp. / B6 Cambridge Thermionic Corp. / C4 operations / C9 FERRANTI ELECTRIC, LTD., Industry Centralab / C4 The Franklin Institute Lab. / C9 St., Toronto 15, Ontario / breadboard Computer Engineering Associates, Inc. / General Electric Co., Computer Dept. / kits / DESCR: standard card files and C4 HOOVER ELECTRONICS CO., Timon- plug-in packaged logic transistor cir­ Condenser Products Co. / C4 ium, Md. / assembly of digital build­ cuits for experimental work on com­ Cornell-Dubilier Electric Corp. / C4 ing cards / DESCR: printed circuit puter systems / B6 Corning Glass Works, Electronic Com- cards with four variations of component Helipot Corp. / B6 ponent Dept. / 01 arrangement easily interwired by plug­ Polyphase Instrument Co. / B6 Dilectron, Div. of the Gudeman Co. / C4 ging into rack mounted connectors can Servo Corp. of America / B6 Donner Scientific Co. / C4 be readily assembled to perform any Techniques, Inc. / B6 Electro Motive Mfg. Co., Inc. / C4 digital computer function / USE: data Electronic Fabricators, Inc. / C4 processing systems and computers / Cl. Cable Fansteel Metallurgical Corp. / C4 price varies depending upon complexity Federal Telephone and Radio Co. / CI GENERAL ELECTRIC CO., CAPACI- of system / C9 Gulton Industries, Inc. / CI TOR DEPT., John St., Hudson Falls, Librascope, Inc. / C9 Royal Electric Co. / CI N. Y. / capacitors / DESCR: oil paper, Societe d'Electronique et d'Automatisme / Stromberg-Carlson, a Div. of General Dy- molded composition, electrolytic, plas­ C9 namics Corp. / CI tic film / USE: computer circuitry / Southwestern Industrial Electronics Co. / C4 C9 C2. Cable Assemblies Gulton Industries, Inc. Strand Engineering Co. / C9 Advanced electronics, Inc. / C2 Hammarlund Mfg. Co., Inc. / C4- Stromberg-Carlson, a Div. of General Alden Products Co. / C2 Hughes Products, Semiconductor Div., Dynamics Corp. / C9 American Electronics, Inc. / C2 Hughes Aircraft Co'. / C4 Telectro Industries Corp. / C9 California Technical Industries / C2 P. R. Mallory & Co., Inc. / C4 THE W ALKIRT CO., 141 W. Hazel St., Canadian Applied Research, Ltd. / C2 Ohmite Manufacturing Co. / C4 Inglewood 3, Calif. / Plug-in pulse cir­ Centro nix, Inc. / C2 Pacific Semiconductors, Inc. / C4 cuit packages. / DESCR: generally Eagle Signal Corp. / C2 Plastic Capacitors, Inc. / C4 single-tube and/or transistor circuit Jefferson Electronic Products Corp. / C2 Sangamo Electric Co. / C4 stages, encapsulated in resin, plug-in Link Aviation, Inc. / C2 Saunders & Co. / C4 form; complete counters, multivibra­ Reeves Instrument Corp. / C2 Schweber Electronics / C4 tors, amplifiers, gates, triggers, pulse Royal Electric Co. / C2 Servo Corp. of IAmerica / C4 generators, etc. / USE: as a complete Stromberg-Carlson, a Div. of General Southern Electronics Corp. / C4 circuit stage in digital computing equip­ Dynamics Corp. / C2 Sprague Electric Co. / C4 ment / $8 to $20 per stage / C9 Superex Electronics Corp. / C2 Texas Instruments Inc., Semiconductor- Wayne-George Corp. / C9 Vernis tat Div. of the Perkin Elmer Corp. Components Div. / C4 CIO. Circuits, Computer, Packaged / C2 U. S. Electronics Development Corp. / C4 Wheeler Electronic Corp., Sub. of Sperry Alden Products Co. / CI0 Rand Corp. / C2 C5. Cards Airtronics, Inc. / CIO C3. Cameras Bendix Computer Division, Bendix Avia- Avion Div., ACF Industries, Inc. / ClO American Electronics, Inc. / C3 tion Corp. / C5 Centralab / CIO Benson-Lehner Corp. / C3 E*Z Sort Systems, Ltd. / C5 Computer Control Co., Inc. / ClO Coleman Engineering Co. / C3 Control Data Corp. / CI0 Eastman Kodak Co. / C3 C6. Cards, Punch Corbin Corp. / ClO Philips Electronics, Inc., Instruments Div. BENDIX COMPUTER DIVISION, BEN­ Daystrom Inc., Daystrom Systems Div. / / C3 DIX A VIATION CORP., 5630 Arbor ClO Strand Engineering Co. / C3 Vitae St., Los Angeles 45, Calif. / Donner Scientific Co. / CIO CA-I punched card adapter / DESCR: Thomas A. Edison Industries / CIO C3A. Cameras, Data Recording adapts IBM 026 reader-punch for use Electronic Research Associates / CIO Alden Electronic & Impulse Recording with Bendix G-15 general purpose digi­ Epsco Components / CIQ Equipment Co. / C3A tal computer (see C24) / USE: punched FERRANTI ELECTRIC, LTD., Industry Avco Mfg Co. / C3A card input-output / $2530 sale, $100 St., Toronto, Ontario / packaged com­ Belock Instrument Corp. / C3A per month lease / C6 puter circuits / DESCR: standard mag- [62 ] C14 netic or transistorized circuit modules Southwestern Industrial Electronics Co. .I Airflyte Electronics Co. / Cl3 for all basic computer requirements. Cll Airtronics, Inc. / Cl3 Special circuits are designed to fill par­ Strand Engineering Co. / CII A vco Mfg. Corp. ticular needs / C 10 Stromberg-Carlson, a Div. of General Dy- Centralab / Cl3 Ferranti, Ltd. / ClO namics Corp. / Cll Centronix Inc. / Cl3 The Franklin Institute Lab. / CIO Techniques, Inc. / CII C G Electronics Corp. / C13 General Electric Co., Computer Dept. / Telectro Industries Corp. / CII Computer Control Co., Inc. / C13 ClO The Walkirt Co. / C 11 The Daven Co. / Cl3 General Electric Co., Specialty Electronic Wang Laboratories / CII Digitronics Corp. / Cl3 Component Dept. / ClO Wayne-George Corp. / Cll Espco Components / Cl3 Harvey Wells Electronics, Inc., Research FERRANTI ELECTRIC LTD., Industry and Development Div. / ClO Cl2. Circuits, Plug-in St., Toronto, Ontario / potted circuits Hoover Electronics Co. - see C9 / C 10 Aeronca Mfg. Corp. / Cl2 / DESCR: special potted assemblies of Librascope, Inc. / C 10 Airflyte Electronics Co. / Cl2 semiconductor circuits and subminia­ Mack Electronics / CIO Airtronics, Inc. / C12 ture magnetics / Cl3 Minneapolis-Honeywell Regulator Co. / AVCO MANUFACTURING CORP., RE­ The Franklin Institute Lab. / Cl3 ClO SEARCH AND ADVANCED DEVEL­ General Electric Co., Specialty Electronic George A. Philbrick Researches, Inc. / OPMENT DIV., 20 So. Union St., Law­ Components Dept. / Cl3 ClO rence, Mass. / Logical building blocks Gulton Industries, Inc. / Cl3 Ransom Research / CIO / DESCR: Types available: bistable trig­ Librascope, Inc. / C13 Reeves Instrument Corp. / CIO ger, flip-flop - Gates (various) mono­ Polyphase Instrument Co. / C13 Rese Engineering Inc. / CIO stable unit, complementer unit, emit­ Southwestern Industrial Electronics Co. / Servo Corp. of America / CIO ter-follower, magnetic drum head read­ Cl3 Short Bro'S. & Harland Ltd. / ClO write amplifiers, neon lamp drivers, Strand Engineering Co. / C13 Southwestern Industrial Electronics Co. / write switch active gate / USE: for dy­ Stromberg-Carlson (West Coast) / C13 CIO namic design of general and special Telectro Industries Corp. / C13 Strand Engineering Co. / CIO purpose computing devices, automatic The Walkirt Co. / Cl3 Stromberg-Carlson, a Div. of General control devices. / $25 to $50 / Cl2 Wayne-George Corp. / Cl3 Dynamics Corp. / CIO Avion Div., ACF Industries, Inc. / Cl2 C14. Circuits, Printed Telectro Industries Corp. / CIO Beckman Instr. Inc., Systems Div. / Cl2 The Walkirt Co. / ClO Bendix Aviation Corp., Research Labora- Airtronics, Inc. / Cl4 Wayne-George Corp. / CIO tories Div. / Cl2 American Printed Circuits Co. / C14 Centralab / Cl2 Autonetics, Div. of North American Avia- Circuits, Logical (for Digital Com- cu. Centronix Inc. / C12 tion, Inc. / Cl4 puters) C G Electronics Corp. / C12 Avco Mfg. Corp. Aeronca Mfg. Corp. / CII COMPTRON CORPORATION, 778 Centralab / Cl4 Airtronics, Inc. / CII Pleasant St., Belmont 79, Mass. / diode Centronix Inc. / C14 AVCO MANUFACTURING CORP., RE­ logic circuits / DESCR: various group­ C G Electronics Corp. / C14 SEARCH AND ADVANCED DEVEL­ ings of diode circuit resistors on printed COMPTRON CORPORATION, 778 OPMENT DIV., 20 So. Union St., Law­ circuit boards / USE: in computer and Pleasant St., Belmont 79, Mass. / dence, Mass. / Logical building blocks / control circuitry to perform logical transistorized digital computer com­ DESCR: Types available: bistable trig­ functions / $10 to $20 / Cl2 ponent circuits / DESCR: a series of 7 ger, flip-flop-gates (various) mono­ Computer Control Co., Inc. / Cl2 different circuits consisting of flip­ stable unit, complementer unit, emitter­ Control Data Corp. / Cl2 flops, amplifiers and recording circui­ follower, magnetic drum head read­ The Daven Co. / Cl2 try made up on printed circuit plug-in write amplifiers, neon lamp drivers, Donner Scientific Co. / Cl2 cards / USE: cards may be assembled write switch active gate / USE: for dy­ Engineered Electronics Company / Cl2 in various groupings to perform any namic design of general and special Ferranti Electric, Ltd. - see ClO / C12 computer or control functions desired purpose computing devices, automatic Ferranti, Ltd. / Cl2 / $25 to $75 / C14 control devices. / $25 to $50 / Cli The Franklin Institute Lab. / Cl2 Computer Control Co., Inc. / C14 COMPTRON CORPORATION, 778 General Electric Co., Computer Dept. / Consolidated Electrodynamics Corp. / C14 Pleasant St., Belmont 79, Mass. / diode C12 Cornell-Dubilier Electric Corp. / C14 logic circuits / DESCR: various group­ Hoover Electronics Co. - see C9 / C12 Corning Glass Works, Electronic Compo- ings of diode circuit resistors on printed Jefferson Electronic Products Corp. / Cl2 nent Dept. / C14 circuit boards / USE: in computer and Kay Electric Co. / Cl2 Daystrom Inc., Daystrom Systems Div. / control circuitry to perform logical Librascope, Inc. / C12 Cl4 functions / $10 to $20 / CU Notifier Corp. / Cl2 Donner Scientific Co. / Cl4 Computer Control Co., Inc. / CII Ortho Filter Corp. / Cl2 Electralab Inc. / C14 Control Data Corp. / CII C .:!orge A. Philbrick Researches, Inc. / FERRANTI ELECTRIC LTD., Industry Corbin Corp. / Cll C12 St., Toronto, Ontario / printed cir­ Daystrom Inc., Daystrom Systems Div. / Potter Instrument Co. / C12 cuits / see CW. Standard blank boards Cll Rese Engineering, Inc. / Cl2 are available for customer wiring / C14 Digitronics Corp. / CII Saunders & Co. / Cl2 Ferranti, Ltd. / Cl4 Epsco Components / Cll Southwestern Industrial Electronics Co. / General Electric Co., Ferranti Electric Ltd. - see ClO / Cll Cl2 Computer Dept. / C14 The Franklin Institute Lab. / CII Strand Engineering Co. / Cl2 Gulton Industries, Inc. / C14 General Electric Co., Computer Dept. / Stromberg-Carlson (West Coast) / Cl2 HOOVER ELECTRONICS CO:, Timon­ Cll Superex Electronics Corp. / Cl2 ium, Md. / printed circuits / DESCR: Hoover Electronics Co. - see C9 / Cll Sylvania Electric Products, Inc., printed conductors produced by silk Librascope, Inc. / C 11 Sylvania Electronic Systems / Cl2 screen or photo sensitive transfer of Mack Electronics / CII Telectro Industries Corp. / Cl2 master design to copper clad laminate Minneapolis-Honeywell Regulator Co. / The Walkirt Co. / Cl2 followed by ferric chloride etch and Cll Wayne-George Corp. / Cl2 resist removal on single or double sided Rese Engineering, Inc. / CII boards / USE: circuit connections / Societe d'Electronique et d' Automatisme / C13. Circuits, Potted price varies with complexity of board Cll Aeronca Mfg. Co. / Cl3 / C14 [ 63 ] _C14 Librascope, Inc. / C14 Valor Electronics Inc. / C2l Aeronutronic Systems Inc. / C23 Litton Industries, Components Div. / C14 Waters Mfg. Inc. / C2l Ahrendt Instrument Co. / C23 Measurement Engineering Limited / C14 Wheeler Electronic Corp., Sub. of Sperry Aircraft Armaments, Inc. / C23 Mellon Institute of Industrial Research / Rand Corp. / C2l Allied Engineering Div. / C23 C14 American Electronics Co. / C23 C22. Communications System (Compu- George A. Philbrick Researches, Inc. / American Hydromath Corp. / C23 ter Types) C14 Analogue Controls, Inc. / C23 Potter Instrument Co. / C14 Avco Mfg. Corp. / C22 Applied Science Corp. of Princeton / CZ3 Saunders & Co. / C14 Bowmar Instrument Corp. / C22 Arma Div., American Bosch Arma Corp. Societe d'Electronique et d' Automatisme / Computer Engineering Associates, Inc. / /C23 C14 C22 Armour Research Foundation / C23 Southwestern Industrial Electronics Co. / Control Data Corp. / C22 Atlas Precision Products Co. / C23 C14 Corbin Corp. / C22 Automation Research & Design Associates Sprague Electric Co. / C14 FERRANTI ELECTRIC LTD., Industry / CZ3 Strand Engineering Co. / C14 St., Toronto 15, Ontario / communica­ Autonetics, Div. of North American Avia­ Stromberg-Carlson, A Div. of General Dy- tion Systems / DESCR: JANET Meteor tion, Inc. / C23 namics Corp. / C14 trail communication systems. Terminal Avion Division of ACF, Erco Div. / C23 Superex Electronics Corp. / C14 equipment for data ~andling on tele­ BECKMAN INSTRUMENTS, INC., Sylvania Electric Products, Inc. phone and telegraph communication BERKELEY DIV., 2200 Wright Ave., Sylvania Electronic Systems / C14 links. Special purpose communication Richmond 3, Calif. / EASE Analog Techniques, Inc. / C14 systems developed for particular appli­ Computer Electronic Analog Simu­ cations, including error detecting and lating Equipment) / DESCR: Analog CIS. Clutches error correcting equipment / C22 computers ranging from standard mod­ American Electronics, Inc. / C15 THE GEOTECCHNICAL CORP., 3712 els to special purpose units including Computer Control Co., Inc. / C15 Haggar Dr., Dallas 9, Tex. / communi­ completely automatic punched tape Digitronics Corp. / C15 cations systems / DESCR: accurate and setup systems with automatic and Flight Research, Inc. / 15 dependable multiplexing and demodu­ printed readout / USE: Simulation of: Vickers Inc., Electric Products Div. / C15 lating equipment for long distance FM actual physical systems; process con­ C16. Clutches, Magnetic telemetering of multichannel analog trol; test problems; solution of mathe­ data over leased wire and microwave matical expressions; special applications American Electronics, Inc. / Cl6 circuits for remote measuring, record­ " - / C23 Analogue Controls, Inc. / C16 ing, computing, and simulating / USE: Bendix Aviation Corp., Bendix Computer Erco Plant - Nuclear Products, Div. of multiplexing many channels of ana­ Division / C23 ACF Industries / C16 log data over one transmission circuit Bendix Aviation Corp., Eclipse-Pioneer FERRANTI ELECTRIC LTD., Industry for long distance recording and comput­ Div. / C23 St., Toronto, Ontario' / magnetic ing / price depends on number of Bendix Aviation Corp., Research Labora- clutches / DESCR: incorporated in channels desired / C22 tories Div. / C23 high speed magnetic and paper tape Kellogg Switchboard & Supply Co. / C22 Bowmar Instrument Corp. / C23 handling equipments / Cl6 N ationa! Co., Inc. / C22 Burlingame Associates, Ltd. / C23 Helipot Corp. / C16 Packard Bell Computer Corp. / C22 Canadian Applied Research Ltd. / C23 Reeves Instrument Corp. / C16 Raytheon Manufacturing Co. / C22 Centronix Inc. / C23 Servo Corp. of America / C16 Servo Corp. of America / C22 Century Engineers, Inc. / C23 Vickers Inc., Electric Products Div. / C16 Smith-Corona, Inc. / C22 C G Electronics Corp. / C23 Southwestern Industrial Electronics Co. / Computer Engineering Associates, Inc. / C17. Coatings C22 C23 FERRANTI ELECTRIC LTD., Industry The Standard Electric Time Co. / C22 Computing Devices of Canada, Ltd. / C23 St., Toronto 15, Ontario / coatings / Stromberg-Carlson, a Div. of General Dy­ Consolidated Diesel Electric Corp. / C23 DESCR: magnetic drums recoated and namics Corp. / C22 Control Instrument Co. / C23 machined to specification / C17 Sylvania Electric Products, Inc., Corbin Corp. / C23 CIS. Coatings, Conductive Sylvania Electronic Systems / C22 Daystrom Instrument Co. / C23 Acheson Colloids Co. / CIS Tele-Dynamics / C22 DIAN LABORATORIES, INC., 611 The Thompson-Ramo-Wooldridge Prod- Broadway, New York 12, N. Y. / Com­ C19. Coatings, Protective ucts Co. / C22 puters, Analog / High precision gen­ Gulton Industries, Inc. / C19 eral purpose analog computing sys­ C22A. Computers C20. Coatings, Salt Spray Resistant tems - simulators - trainers / USE: computing, simulating, training, testing Gulton Industries, Inc. / C20 American Electronic Labs. / C22A Automation Management, Inc. / C22A / C23 C2l. Coils, Computer Types AUTONETICS, a Div. of No. American Donner Scientific Co. / C23 Advanced Electronics, Inc. / C2l Aviation, Inc., 9150 E. Imperial Hway., Dorsett Laboratories, Inc. / C23 Allied Control Co. / C21 Downey, Calif. / General purpose Electronic Associates, Inc. / C23 Cambridge Thermionic Corp. / C2l computers; fire control systems / C22A Elliott Bros. / C23 Celco / C2l Electronic Contractors, Inc. / C22A Epsco, Inc. / C23 Coilcraft, Inc. / C2l Electronic Research Associates / CZZA Erco Plant - Nuclear Products, Div. of Comar Electric Co. / C2l Fischer & Porter Co. / CZ2A ACF Industries / C23 Control Data Corp. / C2l The Reflectone Corp. / C2A Farrand Optical Co. / C23 Electronic Transformer Co., Inc. / C2l REMINGTON RAND UNIVAC DIV., Feedback Controls, Inc. / C23 El-Rad Mfg. Co. / C21 SPERRY RAND CORP., 315 4th Ave., FERRANTI ELECTRIC LTD., Industry Epsco Components / C2l New York 10, N. Y. / Analog com­ St., Toronto, Ontario / analog com­ Gulton Industries, Inc. / C2l puters; special purpose computers / puters / DESCR: atomic reactor con­ Johnson Electronics Inc. / C2l C22A trol and simulation. Custom-engin­ National Moldite Co. / C2l Seismograph Service Corp. - see C23 / eered analog computers / C23 Polyphase Instrument Co. / C2l C22A Ford Instrument Co., Div. of Sperry Rand Corp. / C23 Superex Electronics Corp. / C21 C23. Computers, Analog Sylvania Electric Products, Inc., The Foxboro Co. / C23 Sxlvania Electronic Systems / C21 Aero Electronics Co. / CZ3 The Franklin Institute Lab. / C23 Technitrol Engineering Co. / C21 Aeronca Mfg. Cqm. I Cz 3 General Automatics, Inc. / C23 [ 64-) C24 General Electric Co., Computer Dept. / Societe d'Electronique et d'Automatisme / size electronic digital computer / C23 C23 DESCR: 220-word magnetic drum mem­ General Electric, Light Military Electroni, Southwestern Industrial Electronics Co. / ory; ll-column full keyboard; optional Equip. Dept. / C23 C23 paper tape input unit; output on roll­ THE GEOTECHNICAL CORP., 3712 The Standard Electric Time Co. / C23 documents, ledger forms, paper tape / Haggar Drive, Dallas 9, Tex. / analog Stanford Research Institute / C23 USE: commercial applications, scienti­ and digital computers / DESCR: spec­ Sterling Precision Corp. / C23 fic, engineering computation / $38,500 ial and custom analog and digital Strand Engineering Co. / C23 approx. or lease with option to buy / computers produced to customer's re­ Stromberg-Carlson, a Div. of General Dy- C24 quirements, which may also be re­ namics Corp. / C23 BURROUGHS CORP., ELECTRODATA motely operated with Geotech Analog Tammen / Denison, Inc. - see C27 / DIVISION, 460 Sierra Madre Villa, Data FM Telemetering Systems for re­ C23 Pasadena, Calif. / Burroughs 205 auto­ mote computing, simulating, and re­ Trio Laboratories, Inc. / C23 matic digital computer and auxiliary turn of reduced control or output data Univ. of Sydney, Australia / C23 electronic data processing machines / / USE: special and custom analog and Waldorf Instrument Corp. / C23 DESCR: 4,000 words magnetic drum digital computers produced to cus­ West Coast Electronics Co. / C23 storage, 80 additional words quick­ tomer's requirements with additional Westinghouse Electric Corp., Air Arm access drum storage; 10 decimal digits remoting capabilities for computer or Division / C23 and sign; paper tape, CARDATRON simulating services / price depends on Westronics, Inc. / C23 complete alpha-numeric punch card operation, Single or DATAFILE multi­ customer's requirements / C23 C24. Computers, Digital Goodyear Aircraft Corp. / C23 ple magnetic tape units; range 400,000 Hall-Scott, Inc. / C23 Aeronca Mfg. Corp. /. C24 to 2,000,000 words auxiliary storage Heath Co. / C23 Aeronutronic Systems Inc. / C24 per unit / USE: business applications, Hughes Aircraft Co. / C23 Aircraft Armaments, Inc. / C24 mathematical, scientific, engineering Instrument Development Labs., Inc. / C23 Allied Engineering Div. / C24 computation / $140,000 to $250,000 ap­ Bill Jack Scientific Instrument Co. / C23 Alwac Computer Div., EI-Tronics Inc. / prox. or lease with option to buy / C24 Jet Propulsion Lab. / C23 C24 BURROUGHS CORP., ELECTRODATA Kearfott Co., Inc. / C23 American Electronics, Inc. / C24 DIVISION, 460 Sierra Madre Villa, George F. Kelk, Ltd. / C23 Argonne National Laboratory / C24 Pasadena, Calif. / Burroughs 220 auto­ Kelt Corporation / C23 Armour Research Foundation / C24 matic digital computer and auxiliary Laboratory for Electronics, Inc. / C23 Automation Research & Design Associates electronic data processing machines / Leeds & Northrup Co. / C23 / C24 DESCR: Expandable magnetic core Harry Levinson Co. / C23 AUTONETICS, a Div. of North Ameri­ storage of 2,000 to 10,000 computer Librascope, Inc. / C23 can Aviation, Inc., 9150 E. Imperial words (10 decimal digits and sign); Link Aviation, Inc. / C23 Hwy., Downey, Calif. / RECOMP II, Paper Tape subsystem; CARDATRON Litton Industries, Inc. / C23 portable, general purpose, transistor­ full alphabetic, alphanumeric and spec­ Mack Electronics / C23 ized digital computer / DESCR: serial, ial-character punched card subsystem; The Magnavox Co. / C23 single address, internally stored pro­ single and multiple DATAFILE mag­ The W. 1. Maxson Corp. / C23 gram computer with 4096 word (40 netic tape subsystem (50,000,000 words Mid-Century Instrumatic Corp. / C23 bit) magnetic disk memory. Has built­ auxiliary storage); 93-command pro­ Minneapolis-Honeywell Regulator Co. / in floating point, and 50 instruction gramming structure / USE: commercial C23 command list. Alpha-numeric input­ applications, mathematical, scientific, Otis Elevator Co., Electronic Div. / C23 output through paper tape and type­ engineering computation / $375,000 to National Bureau of Standards, Data Proc- writer. / USE: general computational $600,000 approx. or lease with option essing Systems Div. / C23 work for industrial, engineering, scien­ to buy / C24 Norden-Ketay Corp. / C23 tific and business type applications. / Centronix Inc. / C24 Northrop Aircraft Inc. / C23 $80,500 / C24 Century Engineers, Inc. / C24 The Perkin-Elmer Corp. / C23 A vco Mfg. Corp. / C24 C G Electronics Corp. / C24 GEORGE A. PHILBRICK RESEARCHES, Avion Div., ACF Industries / C24 Clary Corp. / C24 INC., 230 Congress St., Boston 10, Bell Punch Co., Ltd. / C24 Collins Radio Co. / C24 Mass. / Philbrick electronic analog BENDIX COMPUTER DIVISION, BEN­ Computer Control Co., Inc. / C24 computing equipment and components DIX AVIATION CORP., 5630 Arbor Computing Devices of Canada Ltd. / C24 Vitae St., Los Angeles 45, Calif. / Consolidated Diesel Electric Corp. / C24 / C23 Philips Electronics, Inc., Instruments Div. G-15 general purpose digital computer Control Data Corp. / C24 / DESCR: low-cost, internally pro­ / C23 Control Instrument Co. / C24 The Rand Corp. / C23 grammed. Complete line of input-out­ Corbin Corp. / C24 ]. B. Rea Co., Inc. / C23 put equipment as well as digital dif­ Cubic Corporation / C24 Reeves Instrument Corp. / C23 ferential analyzer accessory. Variety of DATAMATIC" DIV., MINNEAPOLIS­ The Reflectone Corp. / C23 programming systems for users with HONEYWELL REGULATOR CO., 151 Sanborn Co. / C23 any amount of experience. / USE: Needham St., Newton Highlands 61, scientific, engineering and business com­ Mass. / DATAmatic 1000 Electronic SEISMOGRAPH SERVICE CORPORA­ puting and data processing / Domestic Data Processing System / DESCR: gen­ TION, P. O. Box 1590, Tulsa, Okla. / sale price $49,500, lease $1485/Mo./ eral purpose electronic data processing Optical analog gravity computers::~. C24 system consisting of high-speed, off-line Dip Plotters*::'. Central office seismic Bendix Computer Division, Bendix Avia­ input and output conversion sections, playback systems::'::~*. Reflection simula­ tion Corp. - see D6 / C24 high-capacity magnetic filing section tors and automatic oscillograph trace­ Bendix Aviation Corp., Eclipse-Pioneer utilizing 3-inch-wide magnetic tape and curve followers. Geophysical consult­ Div. / C24 a central processing section consiting ing services / USE: in geophysical Bendix Aviation Corp., Research Labora­ of input-output buffers, a high-speed operations / ::<$2,000; *::'$7,000 ; tories Div. / C24 magnetic core memory, arithmetic and ***$100,000 / C23 Bowmar Instrument Corp. / C24 control units and a central console / Seismograph Service Corp. - .. see C27 / The British Tabulating Machine Co., Ltd. USE: all types of general accounting C23 / C24 and business data processing operations, Servo Corp. of America / C23 BURROUGHS· CORP., ELECTRODATA and general scientific applications / Servomechanisms Inc. / C23 DIVISION, 460 Sierra Madre Villa, Monthly rental $21,500 and up. Sell­ Short Bros. & Harland Ltd. / C23 Pasadena, Calif. / Burroughs E101 desk- ing price $985,000 and up / C24 [ 65 ) C24 Daystrom Inc., Daystrom Systems Div. / is a critical factol" / Purchase option written on magnetic tape to be auto­ C24 available. Sales Price, $55,000. Ren­ matically checked for accuracy during Daystrom Instrument Co. / C24 tal, $1,150 per month / C24 the writing process / USE: commercial, Digitronics Corp. / C24 International Business Machines Corp. - scientific, engineering problems / Educational Research Corp. / C24 see Dl / C24 Monthly rental for an average system, Electrologica N.V. / C24 INTERNATIONAL BUSINESS MA­ $55,200 and up. Selling price for an Elliott Bros. / C24 CHINES CORP., DATA PROCESS­ average system, $2,630,000 and up. All The English Electric Company Ltd. / C24 ING DIV., 112 E. Post Rd., White prices exclusive of Federal excise tax / FERRANTI ELECTRIC LTD., Industry Plains, N. Y. / IBM 705-111 Elec­ C24 St., Toronto, Ontario / digital com­ tronic Data Processing System / INTERNATIONAL BUSINESS MA­ puters / DESCR: PEGASUS Computer: DESCR: Includes ultra high-speed tape CHINES CORP., DATA PROCESS­ high-speed, medium-size, digital com­ unit, IBM 729 Model 3, which can ING DIV., *a IBM 305 RAMAC (Ran­ puter (5 x 104 decimal digit storage); write at rate of 60,000 characters per dom Access Method of Accounting and primarily intended for industrial and second, automatically checking validity Control) I DESCR: principal com­ commercial applications. MERCURY and readability. Includes IBM 767 Da­ ponents are: disk memory unit, printer, Computer: very high-speed, large-size ta Synchronizer which controls mag­ card punch, power unit, processing (up to 6 x 107 decimal digit magnetic netic tape input and output so that unit, and console. Heart of the sys­ core and magnetic drum storage); suit­ computer can read problem data, tem is the disk memory unit which con· able for most industrial and scientific compute, and write answers simultan­ sists of 50 magnetic metal disks. Data applications. PERSEUS Computer: high­ eously. Includes 40,000 position mag­ is entered onto or extracted from the speed digital computer specifically de­ netic core memory, which can be en­ disks by a rapidly-moving access arm. signed for commercial work; includes larged to 80,000 positions by use of ad­ The disk memory has a storage capacity nickel delay line (27,648 bits) and mag­ ditional core storage. / USE: primarily of 5-million digits. The 305 has arith­ 7 netic tape (1.7 X 10 bits per reel) business problems / monthly rental, metical and logical processing ability, storage. Custom-engineered general $35,000 a month and up; selling price, punched card input, and both punched purpose digital computers. Route re­ $1,925,000 and up. All prices ex­ card and printed output. I. USE: con­ ference and table readings systems fot clusive of tax / C24 tinuous, or "in-line" accounting, for postal or general uses. Games playing INTERNATIONAL BUSINESS MA­ all types of business accounting. I computers for solution of logical prob­ CHINES CORP., DATA. PROCESS­ Monthly rental, $3,200. Selling price, lems and for instructional purposes / ING DIV., *a / IBM 705 Electronic $189,950. All prices exclusive of tax. C24 Data Processing System / DESCR: I C24 Ford Instrument Co., Div. of Sperry Rand large scale data processing system made INTERNATIONAL BUSINESS MA­ Corp. / C24 up of inter-connected units. 20,000 CHINES CORP., DATA PROCESS­ The Franklin Institute Lab. / C24 positions of magnetic core "memory." ING DIV., *a / IBM 608 Transistor General Automatics, Inc. / C24 Magnetic drums and magnetic tapes for Calculator. / DESCR: uses transistors General Electric Co., Computer Dept. / additional storage. 8,400 additions or in place of vacuum tubes which makes C24 1,250 multiplications per second. Op­ possible a 50% reduction in computer­ General Electric, Light Military Electronic tionally available: 40,000 positions of unit size and a 90% reduction in power Equip. Dept. / C24 magnetic core storage also. / USE: requirements over a comparable IBM The Geotechnical Corp. - see C23 / Primarily business problems: / Month­ vacuum tube model calculator. The 608 C24 ly rental for an average system, $38,- can perform 4,500 additions a second. Haller Raymond & Brown, Inc. / C24 500 and up. Selling price for an average Its internal storage is made up of mag­ HARVEY WELLS ELECTRONICS, INC., system, $1,713,000 and up. All prices netic cores / USE: for commercial and Research and Development Div., 5168 exclusive of Federal excise tax / C24 scientific problems / monthly rental, Washington St., W. Roxbury, Mass. / $2,250. Selling price, $118,900. All Digital products, instrumentation ac­ INTERNATIONAL BUSINESS MA­ prices exclusive of tax / C24 tivity and custom contract development CHINES CORP., DATA PROCESS­ / DESCR: Data bloc and data pac sys­ ING DIV., *a / IBM 604 Electronic INTERNATIONAL BUSINESS MA­ tem (5 Me pluggable logic modules for Calculating Punch / DESCR: general CHINES CORP., DATA PROCESS­ for large or small scale digital systems) purpose computer consisting of the ING DIV., *a / IBM 607 Electronic Data bloc has front panel connectors on 1400 tube 604 electronic calculating Calculator I DESCR: a larger version of block diagrams for rapidly setting up unit and a 521 punching unit. Reads the IBM 604 which is able to perform special test equipment and logic ar­ problem data from IBM punched cards and check 14,000 computing operations rangements. Data pac is permanent at a constant speed of 6,000 cards pet a minute. The 607's memory capacity equipment equivalents. / $68 to $200 hour and can go through as many as makes it possible to use intermediate per module / C24 60 separate steps to obtain the solu­ calculated results as well as original Hoover Electronics Co. / C24 tion of a single problem / USE: sci­ data in solving a problem / USE: the Hughes Aircraft Co. / C24 ence, engineering, business / Month­ 607 is used to handle in one operation Imperial College / C24 ly rental, $550; selling price, $27,454. the majority of commercial or scienti­ Institut Blaise Pascal / C24 All prices exclusive of Federal excise fic calculations ordinarily requiring mul­ INTERNATIONAL BUSINESS MA- tax / C24 tiple machine operations / Monthly CHINES CORP., 590 Madison Ave., INTERNATIONAL BUSINESS MA­ rental, $800-950. Selling price, $37,- New York 22, N. Y. / IBM 610 Auto­ CHINES CORP., DATA PROCESS­ 500-$42,000. All prices exclusive of matic Decimal Point Computer / ING DIV., *a / IBM 709 Electronic tax. / C24 DESCR: completely contained, mobile Data Processing System / DESCR: INTERNATIONAL BUSINESS MA­ computer, consisting of keyboard, type­ large scale data processing system made CHINES CORP., DATA PROCESS­ writer and main console. Input is from up of inter-connected units. It can per­ ING DIV., ::'a / IBM 650 Data Pro­ paper tape or keyboard. Output onto form up to 42,000 additions or sub­ cessing System / DESCR: the units of typewriter, tape, or cathode ray tube. tractions, or 5,000 multiplications or the basic 650 are: a Console Unit which May be programmed manually from divisions, each second. The 709's mag­ contains the magnetic drum, a Calculat­ the keyboard, and/or from two tape netic core storage has a capacity of ing Unit and Control Console, a Card units, and/or from control panel. Ma­ over 327,000 decimal digits. A Data Read Punch with which information is jor design consideration is program­ Synchronizer which permits the system entered or extracted in punched card ming ease / USE: designed to be used to read, write, and calculate simultane­ form, and a Power Unit. Up to 20,000 by engineers and scientists on problems ously also is incorporated. The 709's alphanumeric characters of storage for in which programming time and effort tape units permit information being data and operating instructions are [66 ] C24A available with the basic 650. Addi­ and up per month; purchase, $750,000 isters; all registers individually ad­ tional units can be incorporated into a and up / C24 dressed, directly accessible; internally 650 system to provide magnetic tape Non-Linear Systems Inc. / C24 stored programs capable of self-modifi­ input and output, printer output, mag­ Northrop Aircraft Inc. / C24 cation; 41 different arithmetic and logi­ netic core storage, and disk storage with Oerlikon Tool & Arms Corp. of America / cal operations; parallel computation on random access and direct interrogation C24 words of 36 binary digits; optional fea­ (IBM 650 RAMAC) / USE: the 650 is Packard Bell Computer Corp. / C24 tures and equipment are; floating­ a general purpose data processing sys­ PHILCO CORP., GOVERNMENT & point, additional magnetic-core storage tem which is used for commercial and INDUSTRIAL DIV., 4700 Wissahickon for 12,288 words, ten magnetic-tape scientific computing problems / Ren­ Ave., Philadelphia 44, Pa. / Transac units with variable format feature for tal price, $3,750 a month and up. Sell­ C-series / DESCR: airborne, high­ supplementary storage and input-out­ ing price, $182,400 and up. All prices speed general purpose digital compu­ put, 600 line a minute printer, off-line exclusive of tax / C24 ter for system control (completely and on-line operation / USE: scientific, INTERNATIONAL BUSINESS MA­ transistorized drum; core memory) / engineering, computing / $895,000; CHINES CORP., DATA PROCESS­ USE: fire control, cruise control, navi­ available on rental basis approximately ING DIV., :;'a / IBM 704 Electronic gation, flight control / $100,000 up / $21,000 a month / C24 Data Processing System / DESCR: C24 REMINGTON RAND UNIVAC DIV., large scale data processing system made Philco Corp., Govt. & Ind'I. Div. - see SPERRY RAND CORP., *a / Univac up of inter-connected units. The heart D1 / C24 File-Computer Systems / DESCR: ca­ of the 704 system is its high-speed mag­ pacity of 1,800,000 digits or characters RADIO CORP. OF AMERICA, ELEC­ netic core storage. Any word in core of internal storage file information; up TRONIC DATA PROCESSING DIV., storage can be located and put into use to 31 input-output devices may be con­ Camden, N. J. / electronic data pro­ in a few millionths of a second. Core nected to the system for simultaneous cessing systems / DESCR: a completely storage is supplemented by magnetic "on-line" service; programming may new development - transistor design, drums and magnetic tapes. The 704 be done externally by a changeable con­ compact, reliable, easily and economi­ can perform 40,000 additions or sub­ trol panel; internally by stored pro­ cally expansible, extremely low instal­ tractions or 5,000 multiplications or gram or a combination; external pro­ lation and operating costs / USE: gen­ divisions of ten-digit numbers in one gram is non-sequential; magnetic drum eral purpose business data processing / second / USE: primarily for solving general storage unit for data, program $600,000 up / C24 complex scientific and engineering prob­ step instructions, or both; random ac­ lems / Monthly rental for an average THE RAMO-WOOLDRIDGE CORP., cess type, 2 size drums available / USE: system, $44,000 and up. Selling price 5500 West El Segundo Blvd., Los An­ commercial accounting purposes with for an average system, $1,994,000 and geles 45, Calif. / R-W 300 digital pro­ large amounts of data but relatively up. All prices exclusive of Federal cess control computer / DESCR: digi­ short computations / $2085 to $17,000 excise tax / C24 tal computer designed specifically for monthly rental; $125,000 to $1,020,000 Jacobs Instrument Co. / C24 automatic on-line process control and sale; prices subject to tax / C24 Jet Propulsion Lab. / C24 data logging in petroleum refining, ROYAL McBEE CORP., Westchester Kearfott Co., Inc. / C24 chemical manufacturing, and other Ave., Port Chester, N. Y. / Royal Pre­ Kellogg Switchboard & Supply Co. / C24 process industries, also for automatic cision Electronic Computer LGP-30 / Laboratory for Electronics, Computer test control and data reduction in air­ DESCR: A serial, single address, fixed Products Div. - see 12 / C24 craft, missile, and electronic industries point, stored program, digital com­ Laboratory for Electronics, Inc., Com­ / USE: industrial process control, auto­ puter / USE: Data processing prob­ puter Products Div. - see D12 / C24 matic test control, data logging, and lems in business, industry and govern­ LIBRASCOPE INC., 808 Western Ave., data reduction / - / C24 ment. / $49,500. Rental $1l00 monthly Glendale, Calif. / LGP-30 and other The Rand Corp. / C24 / C24 digital and analog computers / DESCR: Ransom Research / C24 Servo Corp. of America / C24 the LGP-30 is a general purpose com­ ]. B. Rea Co., Inc. / C24 Servomechanisms Inc. / C24 puter with a magnetic drum memory REMINGTON RAND UNIV.AC DIV., Societe d'Electronique et d' Automatisme / of 4096 words, and is sold by Royal­ SPERRY RAND CORP., 315 4th Ave., C24 McBee Corp. / USE: scientific comput­ New York 10, N. Y. / The Univac Southwestern Industrial Electronics Co. / ing / - / C24 System and Univac II / DESCR: large C24 Litton Industries, Inc. / C24 scale general purpose digital' electronic Stanford Research Institute / C24 Mack Electronics / C24 computing system: built-in self-checking Strand Engineering Co. / C24 The Magnavox Co. / C24 features; employs a single address sys­ Stromberg-Carlson, a Div. of General Dy- Minneapolis-Honeywell Regulator Co. / tem and 1000 words of mercury delay namics Corp. / C24 C24 line storage in Univac I; 2,000 up to Sutherland Co. / C24 MONROE CALCULATING MACHINE 10,000 words of magnetic-core storage SYLVANIA ELECTRONIC SYSTEMS, a CO., Electronics Div., Morris Plains, in univac II; magnetic tape units Div. of Sylvania Electric Products Inc. N. J. / Monrobot IX (Invoice Ma­ provide supplementary storage and fast 100 F irst Ave., Waltham 54, Mass. / chine) / DESCR: an economic, high­ input-output facilities; operate on large electronic digital computers on speed electronic computer designed for stored programs employing 63 instruc­ contract / C24 invoice processing / USE: for hand­ tions and 45 different arithmetic and Taller and Cooper / C24 ling simple and complex accounting logical operations; auxiliary equipment T echnitrol Engineering Co. / C24 applications encountered in both small for data conversion; processed data The Thompson-Ramo-Wooldridge Prod- and large companies / approx. $7500 / put out in printed form, punched cards, ucts Co. / C24 C24 or punched tape / USE: scientific, com· Victor Adding Machine Co. / C24 National Bureau of Standards, Data Proces­ mercial, business, industrial, govern­ Waldorf Instrument Corp. / C24 sing Systems Div. / C24 . ment, etc. / - / C24 Wayne-George Corp. / C24 THE NATIONAL CASH REGISTER REMINGTON RAND UNIVAC DIV., Westinghouse Electric Corp., Air Arm CO., So. Main and K Sts., Dayton 9, SPERRY RAND CORP., *a / Univac Division / C24 Ohio / NCR 304 electronic data pro­ Scientific Computer Model 1103A / Westronics, Inc. / C24 cessing system / DESCR: transistor­ DESCR: general purpose digital com­ Zuse Kommandit-Gesellschaft / C24 ized magnetic tape data processor with puter, two address logic, large storage 20,000 to 40,000 characters of mag­ capacity, high operating speed, versa­ C24A. Computers, Special Purpose netic core storage / USE: general­ tile programming; 16,384 magnetic­ Automatic Signal Division, Eastern Indus- purpose business use / rental, $17,000 drum registers, 4096 magnetic-core reg- tries, Inc. / C24A [67 ] C24A Burroughs Corp., Electr

tories Div. / 15 Control Data Corp. / Kl netic drum and disc memory systemsJ [82 ] 01

preclslOn electromechanical devices, Bendix Aviation Corp., Research Labora- high-speed motors, drums, discs, tape tories Div. / M3 transports, magnetic heads. Magnetic C G Electronics Corp. / M3 memory systems and components, stan­ Computer Control Co., Inc. / M3 dard units or designed to customer Corbin Corp. / M3 specifications. Air bearings, super pre­ Mid-Century Instrumatic Corp. / M3 cision ball bearings. Belt drive, inte­ Reeves Instrument Corp. / M3 gral motor drive, speeds to 200,000 Short Brothers & Harland, Ltd. / M3 RPM, capacities to 120,000,000 bits / Weston Instruments / M3 $1,000 to $50,000 / M2 Burroughs Corporation / M2 M4. Multipliers, Diode Canadian Westinghouse Co., Ltd., Elec- Aeronca Mfg. Corp. / M4 tronics Div. / M2 Mid-Century Instrumatic Corp. / M4 C G Electronics Corp. / M2 Reeves Instrument Corp. / M4 Computer Control Co., Inc. / M2 Societe d'Electronique et d' Automatisme / Consolidated Controls Corp. / M2 M4 Control Data Corp. / M2 Daystrom Inc., Daystrom Systems Div. / M5. Multipliers, Electronic M2 Aeronca Mfg. Corp. / M5 Daystrom Instrument Co. / M2 American Electronics, Inc. / M5 Epsco, Inc. / M2 Beckman Instruments, Berkeley Div. / M5 FERRANTI ELECTRIC LTD., Industry Bendix Aviation Corp., Research Labora- St., Toronto, Ontario / memory sys­ tories Div. / M5 tems / DESCR: Williams CRT memo­ Chadwick - Helmuth Co. / M5 ries. Magnetic drum memories. Mag­ Computer Engineering Associates, Inc. / netic tape memories. Magnetic core M5 memories / M2 Donner Scientific Co. / M5 Ferrenti Electric, Inc. - see D3 / M2 The Franklin Institute Lab. / M5 Ferroxcube Corp. of America / M2 General Electric Co., Computer Dept. / General Ceramics Corp. / M2 M5 Gulton Industries, Inc. / M2 Mid-Century Instrumatic Corp. / M5 Lipps Engineering / M2 National Co., Inc. / M5 Magnetics Research Co. / M2 George A. Philbrick Researches, Inc. / Miles Reproducer Co., Inc. - see 01 / M5 M2 Reeves Instrument Corp. / M5 Monroe Calculating Machine Co., Elec­ tronics Div. / M2 M6. Multipliers, Frequency Norton Associates, Inc. - see H1 / M2 Aeronca Mfg. Corp. / M6 POTIER INSTRUMENT CO., Sunnyside American Research & Mfg. Corp. / M6 Blvd., Plainview, N. Y. / - / DESCR: National Co., Inc. / M6 registers / USE: re-arranging data for Vickers Inc., Electric Products Div. / M6 serial or parallel entry / $600 to $10,- 000 / M2 M7. Multipliers, Servo Radio Corp. of America, Components Aero Electronics Co. / M7 Div. / M2 Aeronca Mfg. Corp. / M7 Ransom Research / M2 Bendix Aviation Corp., Research Labora- ]. B. Rea. Co., Inc. / M2 tories Div. / M7 Rese Engineering, Inc. / M2 Control Data Corp. / M7 Societe d'Electronique et d' Automatisme / Thomas A. Edison Industries / M7 M2 Feedback Controls, Inc. / M7 Strandberg Engineering Lab., Inc. / M2 The Franklin Institute Lab. / M7 Stromberg-Carlson, Div. of General Dy­ Industrial Control Co. / M7 namics Corp. / M2 Mid-Century Instrumatic Corp. / M7 Telectro Industries Corp. / M2 Vickers Inc., Electric Products Div. / M7 TELEMETER MAGNETICS, INC., 2245 Pontius Ave., Los Angeles 64, Calif. / 01. Office Machines Magnetic Core Memories / DESCR: R. D. Allen Business Machines, Inc. / 01 Random access coincident-current small American Electronics, Inc. / 01 and large scale core memories. Capaci­ Bendix Aviation Corp., Bendix Computer ties from 100 to 1 million bits. Cycle Division / 01 times from 4 to 30 microseconds / The British Tabulating Machine Co., Ltd. USE: Rapid access random storage in / 01 digital computing, automatic control, Burroughs Corporation / 01 and data processing / $50,000 - $500,- Clary Corp. / 01 000/ M2 Comptometer Corp. - see D 1 / 01 Wang Laboratories / M2 FERRANTI ELECTRIC LTD., Industry M2A. Molded Plastics St., Toronto, Ontario / office machines / DESCR: transactor (see 13) / 01 HYDRO MOLDING CO., INC., 100 Friden, Inc. / 01 Sharron Ave., Plattsburgh, N. Y. / International Business Machines Corp. - custom molded components / DESCR: see Dl / 01 custom" molded components for as­ Litton Industries, Inc. / 01 semblies / - / M2A MILES REPRODUCER CO., INC., 812 Broadway, New York 3, N. Y. / Wal­ M3. Multipliers kie-Recordall / DESCR: self-powered Beckman Instruments, Berkeley Div. / miniature non-magnetic voice-signal re­ M3 corders-reproducers; can record I" up [ 83 ] 01 to flo feet from mike (without wires); Measurement Engineering Limited / P3 Daystrom Transicoil Corp. / P7 backp;round interferences filtered out. Strandberg Engineering Lab., Inc. / P3 DeJur-Amsco Corp. / P7 Recording capacity on a single belt up Donner Scientific Co. / P7 to 3 and S hours respectively. Record­ P4. Paper Tape Electro-Mec Laboratory, Inc. / P7 ing continuity up to S hours. Start­ Bendix Aviation Corp., Research Labora- Fairchild Controls Corp., Components Div. stop by voice actuation. Record-pIa} tories Div. / P4 / P7 back / USE: office, car, train, plane, P5. Patch Cords Fairchild Engine & Airplane Corp. / P7. anywhere indoors-outdoors. Records at The Gamewell Co. / P7 Alden Products Co. / P5 any angle stationary or mobile / $350, He1ipot Corp. / P7 AMP, Inc. / P5 $450 and $750 / 01 Leeds & Northrup Co. / P7 Centronix, Inc. / P5 THE NATIONAL CASH REGISTER Litton Industries, Inc. / P7 Donner Scientific Co. / P5 CO., So. Main and K Sts., Dayton 9, P. R. Mallory & Co., Inc. / P7 Strandberg Engineering Lab., Inc. / P5 Ohio / Various input and other busi­ Markite Corporation / P7 Stromberg-Carlson, Div. of General Dy- nes machines / DESCR: adding ma­ Maurey Instrument Corp. / P7 namics Corp. / P5 chines, bookkeeping machines, account­ Measurement Engineering, Limited / P7 ing machines an~ cash registers linked P6. Plotters Minneapolis-Honeywell Regulator Co., with paper tape punches or card Industrial Div. / P7 punches / USE: for generating compu­ Alden Products Co. / P6 Alwac Cemputer Div., EI-Tronics, Inc. / The Perkin-Elmer Corp. / P7 ter input simultaneously with the post­ Reeves Instrument Corp. / P7 ing and creation of necessary original P6 American Electronics, Inc. / P6 Saunders & Co. / P7 records / paper tape records, $1050 and Schweber Electronics / P7 up; card punch couplers, $590 and Beckman Instruments, Berkeley Div. / P6 BENDIX COMPUTER DIVISION, BEN- Servo Corp. of America /. P7 up; parent machines extra / 01 Servonics, Inc. / P7 Simth-Corona, Inc. / 01 DIX AVIATION CORP., 5630 Arbor Vitae St., Los Angeles 45, Calif. / digi. Societe d'Electronique et d'Automatisme / The Standard Register Co. / 01 P7 Underwood Corp. / 01 tal point plotter / DESCR: plots 20 Specialties, Inc. / P7 Zeuthen & Aagaard, Ltd. / 01 increments of .01 inch/second. For use only with combination of Bendix G-15 Spectrol Electronics Div. of Carrier Corp. / 02. Operations Research general purpose digital computer and P7 Adalia, Ltd. / 02 Bendix DA-l digital differential analy­ Technology Instrument Corp. / P7 CORPORATION FOR ECONOMIC zer accessory (see C-24) / USE: plotted Vari-Ohm Corp. / P7 AND INDUSTRIAL RESEARCH, Main digital computer output for scientific Vernis tat Div. of the Perkin Elmer Corp. / office: 734 15th St. N.W., Wash., D. c., user, etc. / $1800 sale, $75/mo. lease P7 Research Center: 1200 Jefferson Davis !p6 Waters Mfg., Inc. / P7 Hwy., Arlington 2, Va. / Specialists in Benson-Lehner Corp. / P6 Westronics, Inc. / P7 the application of modern analytical Burlingame Associates, Ltd. / P6 techniques to government, business, Control Data Corp. / P6 P8. Power Supplies - Regulated and financial problems. Offer a full Data Instruments Div. of Telecomputing American Research & Mfg. Corp. / P8 range of services in operations re­ Corp. / P6 Avion Div., ACF Industries / Pa search, computing, programming, data George F. Kelk, Ltd. / P6 Beckman Instruments, Berkeley Div. / P8 processing, sample design, market re­ Leeds & Northrup Co. / P6 BETZ ELECTRIC CORP., DIV. OF search, problem formulation, mathe­ Librascope, Inc. / P6 SORENSEN & CO., Richards Ave., S. matical structuring / 02 Litton Industries, Inc. / P6 Norwalk, Conn. / High Voltage Power Fairbanks Associates / 02 F. L. Moseley Co. / P6 Supplies / DESCR: Development and General Kinetics Incorporated / 02 Societe d'Electronique et d' Automatisme / production of high voltage power sup­ KCS Data Control, Ltd. / 02 P6 plies and overpotential testers in vol­ Arthur D. Little, Inc. / 02 Sunshine Scientific Instrument Co. / P6 tage ranges from 1000 to 1,000,000 National Analysts, Inc. / 02 Tally Register Corp. / P6 volts / USE: On the operation of elec­ Technical Operations / 02 Telectro Industries Corp. / P6 tronic equipment and testing of insula­ PI. Panels P6A. Plugboards tion materials / From $100 to more than $100,000 / Ps Donner Scientific Co. / PI AMP, Inc. / P6A Bradley Laboratories, Inc. / P8 Strandberg Engineering Lab., Inc. / PI P7. Potentiometers (Computer Types) California Computer Products / P8 Stromberg-Carlson, Div. of General Dy- Centronix, Inc. / P8 namics Corp. / PI Ace Electronics Associates, Inc. / P7 Allen-Bradley Co. / P7 COMPTRON CORPORATION, 778 P2. Panels, Jack American Electronics, Inc. / P7 Pleasant St., Belmont 79, Mass. / power Accurate Electronics Corp. / P2 Analogue Controls, Inc. / P7 supply / DESCR: low-voltage power CAMBRIDGE THERMIONIC CORP., Beckman Instruments, Berkeley Div. / P7 supply for use with transistor circuits. 445 Concord Ave., Cambridge 38, Mass. George W. Borg Corp. / P7 Compact, regulated power supplies pro­ / Electronic and electrical components BOURNS LABORATORIES, INC., P. O. viding the necessary voltages / USE: / DESCR: miniature and sub-minia­ Box 2112, Riverside, Calif. / TRI­ for gating bias and collector currents ture plugs and jacks; gold, silver and MIT* Potentiometer / DESCR: a low grouped in a single unit / $300 to other finish terminals; terminal boards; cost, high reliability screw actuated $500 / P8 press mount and spring loaded diode potentiometer designed for computer Condenser Products Co. / P8 clips; panel and chassis hardware; in­ and other instrument applications. Fea­ Consolidated Electrodynamics Corp. / P8 sulated terminals; coils and coil forms; tures: 25-turn screwdriver adjustment, Control Electronics Co., Inc. / P8 capacitors / USE: individual piece part Size 1/4" x 5/16" x 1 1/4" self-locking The Daven Co. / P8 component / under $5 / P2 shaft (no lock nuts), available ter­ Daystrom Inc., Daystrom Systems Div. / Centronix, Inc. / P2 minations - solder lugs, printed cir­ P8 Donner Scientific Co. / P2 cuit pins, insulated stranded leads / Donner Scientific Co. / P8 Measurement Engineering Limited / P2 USE: to adjust electrical circuits / List: Electronic Specialty Co. / Pa Strandberg Engineering Lab., Inc. / P2 $1.94 / P7 FERRANTI ELECTRIC LTD., Industry Stromberg-Carlson, a Div. of General Dy- *Registered St., Toronto, Ontario / power supplies namics Corp. / P2 Clarostat Mfg. Co. / P7 / DESCR: transistor regulated - cov­ Computer Instruments Corp. / P7 ering a wide range of voltages and P3. Panels, Relay Rack Con-Elco / P7 currents - chassis or printed circuit Centro nix, Inc. / P3 Dale Products, Inc. - see R13 / P7 construction. Temperature compensa- (84 J P12A tion; milliohm dynamic impedance I P9. Printers PS Addressograph-Multigraph Corp. / P9 General Electric Co., Computer Dept. / Baird-Atomic Co. / P9 P8 Creed & Co., Ltd. / P9 GENERAL ELECTRIC CO., Rectifier A. Kimball Co. / P9 Dept., Mountain View Rd., Lynchburg, Kleinschmidt, Inc. / P9 Va. / computer doc power supplies / Laboratory for Electronics, Inc., Compu- DESCR: complete doc power supplies ter Products Div. - see Vl / P9 for computer system or computer com­ Olivetti Corp. of America / P9 ponents featuring regulated or un­ Photon, Inc. / P9 regulated power supplies with silicon Smith-Corona, Inc. / P9 rectifiers, magnetic amplifiers, transist­ Stromberg Carlson, a Div. of General Dy- ors, and controlled recti.fiers / l!SE: to furnish doc power to any requIrement namics Corp. / P9 of a computer component or compu­ Taller and Cooper / P9 ter system / $100 to $250,000 / PS Teletype Corp. / P9 Gulton Industries, Inc. / P8 Vari-Typer Corp. / P9 Victor Adding Machine Co. / P9 HARRISON LABORATORIES, INC., 45 Industrial Rd., Berkeley Heights, N. J. PlO. Printers, High Speed / regulated power supplies - trans­ American Electronics, Inc. / PIO istor / DESCR: specializing ill low voltage and medium voltage high cur­ ANelex CORP., 150 Causeway St., Bos­ rent transistorized power supplies with ton 14, Mass. / High-Speed Printers / emphasis on good regulation for sud­ DESCR: High-speed printer, numeric den changes in load / USE: for com­ and alphanumeric up to 64 characters puter applications - both digital and per line and line-lengths up to 160, analogue / from 16c to 50c per milli­ characters / USE: in data processing ampere / Ps systems of many kinds / - / PIO Hoover Electronics Co. - see C40 / PS The British Tabulating Machine Co., Ltd. P9. Printers / PIO Jefferson Electronic Products Corp. / Ps Computer-Measurements Corp. / PIO Kepco Laboratories, Inc. / P8 Digitronics Corp. / PIO Magnetic Research Corp. / Ps POTTER INSTRUMENT CO., INC. *a Measurement Engineering, Limited / P8 / Magnityper / DESCR: a very high­ Mid-Century Instrumatic Corp. / P8 speed electronic printer capable of printing 120 lines of 63 alphanumeric Northam Electronics, Inc. / Ps characters per second / USE: as a com­ Opad Electric Co. / Ps puter output device or for printing Ortho Filter Corp. / P8 directly from any digital data source / OWENS LABORATORIES, INC., 55 $40,000 to $60,000 / PIO Beacon PI., Pasadena, Calif. / power POTIER INSTRUMENT CO., INC., RECONNAISSANCE supplies, regulated / DESCR: ultra Sunnyside Blvd., Plainview, N. Y. / high precision and stability DC vol­ Model 3260 alphanumeric printer / DATA PROCESSING tage and power sources. V oltages less DESCR: 20-line per second transistor­ than 100 v, currents up to 10 amperes, ized alphanumeric printer, capable of A new multi-phase program millisecond transient response. Trans­ printing up to 63 characters per col­ ducer power supplies / USE: secondary umn in up to 40 columns / USE: in currently in progress at The voltage standards; power and voltage printing the output of digital compu­ Ramo-Wooldridge Corporation sources for analog and digital compu­ ters or other digital devices. Also used involves the development of an ters and instrumentation, vacuum tube for data logging / $5000 to $13,000 de­ or transistorized / - / Ps pending on number of columns and advanced system for the han­ Packard Bell Computer Corp. / Ps character configuration / PlO dling of reconnaissance infor­ George A. Philbrick Researches, Inc. / Radiation, Inc. / PlO mation. This program provides PS Smith-Corona, Inc. / PIO Plastic Capacitors, Inc. / P8 Stromberg-Carlson, a Div. of General Dy- unusual opportunities for engi­ Radiation Counter Laboratories, Inc. / Ps namics Corp. / PIO neers and scientists in research Sangamo Electric Co. / Ps Stromberg-Carlson (West ~oast) / PlO and development of systems Servo Corp. of America / P8 Pl1. Printers, Keyboard and equipment for data dis­ Sola Electric Co. / P8 American Electronics, Inc. / Pll play, processing, storage, and Sorensen & Co., Inc. / PS Clary Corp. / Pll retrieval. Significant advances Southwestern Industrial Electronics Co. / Smith-Corona, Inc. / Pll in the state-of-the-art be P8 will The Standard Electric Time Co. / Ps Pl2. Printers, Line-a-time required to meet the over-all Technical Operations / P8 American Electronics, Inc. / Pl2 system specifications. The British Tabulating Machine Co., Ltd. TRANS ELECTRONICS, INC., 7349 / Pl2 Canoga Ave., Canoga Park, Calif. / Inquiries should be addressed Potter Instrument Co., Inc. - see PlO / Power Supplies / DESCR: transistor to Mr. Wm. M. Harrison. Pl2 or hard tube, AC or DC; variable or fixed; voltage regulated or current Pl2A. Programming Services regulated; regulated or unregulated. / The Ramo-Wooldridge Computers radar equipment, telemeter­ Adalia Computations, Ltd. / P12A Corporation ing, component testing / $49.50 - ADB Institutet / Pl2A $8000.00 / PS American Machine & Foundry Co., Com­ 5500 WEST EL SEGUNDO BOULEVARD putation Center / Pl2A Valor Electronics, Inc. / P8 LOS ANGELES 45, CALIFORNIA Battelle Memorial Institute / P12A Vickers Inc., Electric Products Div. / P8 Brender & Brender, Inc. / Pl2A P12A CORPORATION FOR ECONOMIC Bull S. A. Compagnie des Machines / P16 R3. Readers, Magnetic Card AND INDUSTRIAL RESEARCH, Consolidated Diesel Electric Corp. / P16 American Electronics, Inc. / R3 Main Office: 734 15th St. N.W., Wash., Educational Research Corp. / PI6 The British Tabulating Machine Co., Ltd. D. c., Research Center: 1200 Jefferson Electro-Machine Corp. / P16 R3 Davis Hwy., Arlington 2, Va. / Speci­ INTERNATIONAL BUSINESS MA- alists in the application of modern an­ CHINES CORP., DATA PROCESSING R4. Readers, Magnetic Tape alytical techniques to government, busi­ DIV., 112 E. Post Rd., White Plains, American Electronics, Inc. / R4 ness, and financial problems. Offer a N. Y. / A complete line of punched AMPEX CORP., INSTRUMENTATION full range of services in operations re­ card machines' / DESCR: card punches, DIV., 934 Charter St., Redwood City, search, computing, programming, data collators, sorters, accounting machines, Calif. / FR-300, FR-400, FR-200A / processing, sample design, market re­ proof machines, interpreters, Data DESCR: magnetic tape recorders and search, problem formulation, mathe­ Transceivers, the Cardatype Account­ reproducers for programming; memory matical structuring / P12A ing Machine, the Ticket Converter, units; computer input, output and stor­ General Kinetics, Incorporated / P 12A etc. Details available on request / P16 age devices for automatic data-reduc­ National IAnalysists, Inc. / P12A Kaye Development Co. / P16 tion systems, machine-tool control sys­ Nuclear Development Corporation of Otis Elevator Co., Electronic Div. / P16 tems, etc. / USE: magnetic recorder­ America / P12A Powers-Samas Accounting Machines / reproducer for digital data primarily The Service Bureau Corp. / P12A P16 designed for use with computer systems Univ. of Toronto, Computation Centre / REMINGTON RAND UNIVAC DIV., / $2750 up / R4 P12A SPERRY RAND CORP., 315 4th Ave., Consolidated Electrodynamics Corp. / R4 U. S. Air Force, Structures Branch, Com­ New York 10, N. Y. / Punched Card Cook Electric Co. / R4 putation Div., Directorate of Manage­ Machines / Complete 90-column Digitronics Corp. / R4 ment Analysis, Hq. USAF / P12A punched-card s y s tern s, including FERRANTI ELECTRIC LTD., Industry U. S. Naval Proving Ground / PI2A punched-card electronic computers, card St., Toronto, Ontario / magnetic tape P13. Publications punches, collators, interpreters, repro­ readers / DESCR: special purpose mag­ ducers, sorters, tabulators, verifiers, du­ netic tape readers capable of very fast Cudahy Publishing Company / PI3 plicate card detectors, calculating start/stop operation. Tape can be John Diebold and Associates, Inc. / P13 punches, synchronized card punch and accelerated to full speed in less than 3 Librascope, Inc. / PI3 accounting machine units, and tag-to­ milliseconds (see T4) / R4 P15. Publications, Magazines card reproducers for converting data Lipps Engineering / R4 Potter Instrument Co., Inc. - see T2 / Automatic Control (magazine) / P15 in prepunched garment tags to punched R4 ' AUTOMATIC OFFICE CONSULTANTS, cards / P16 Smith-Corona, Inc. / R4 INC., 9th Floor, 5057 Woodward Ave., SOROBAN ENGINEERING, INC., Box Stromberg-Carlson, a Div. of General Detroit 2, Mich. / "The Automatic 1717, Melbourne, Fla. / Paper Tape Dynamics Corp. / R4 Office - A Monthly Management Re­ Perforators / DESCR: high-speed pa­ Wharf Engineering ~ab. / R4 port" / DESCR: monthly reporting per tape perforators capable of 8 level service for management on automatic perforations at speeds up to 240 char­ R5. Readers, Mechanical office operations / USE: reference, in­ acters per second / - / $8750 / P16 form management of new develop­ Underwood Corp. / P16 Bowmar Instrument Corp. / R5 ments, etc. / Subs cr. price: $24 per J. H. Bunnell & Co. / R5 year, U. S. and Canada; $26.50 for Rl. Readers Miles Reproducer Co., Inc. - see 01 / R5 other countries / P15 Benson-Lehmer Corp. / Rl Automation Consultants, Inc. / P15 Smith-Corona, Inc. / R5 Consolidated Electrodynamics Corp. / RI Telectro Industries Corp. / R5 Automation Progress / P15 FERRANTI ELECTRIC LTD., Industry Canning, Sisson, & Assoc. / PI5 St., Toronto, Ontario / readers / R6. Readers, Paper Tape COMPUTERS AND AUTOMATION, DESCR: static card readers - see 815 Washington St., Newtonville 60, The British Tabulating Machine Co., Ltd. Transactor (13) / Rl / R6 Mass. / Computers and Automation / Friden, Inc. / Rl DESCR: Monthly magazine, articles, J. H. Bunnell & Co. / R6 Genisco, Inc. / Rl California Technical Industries / R6 reference information (14 kinds), pa­ THE GEOTECHNICAL CORP., 3712 pers, forum, etc., dealing with automat­ Data Instruments Div. of Telecomputing Haggar Drive, Dallas 9, Tex. / chart Corp. / R6 ic computing machinery and its appli­ reader / DESCR: basic reader optically cations and implications. / USE: for FERRANTI ELECTRIC LTD., Industry scans trace (curve) of conventional St., Toronto, Ontario / readers, paper keeping up to date with the computer strip charts, circular charts, and film; field; finding out reference informa~ion tape, photoelectric / DESCR: range of provides output proportional to trace photoelectric high speed paper tape quickly / U. S. $5.50 a year; forelgn, ordinate; optiopal computing units per­ $6.50 a year / P15 readers. Speeds up to 270 characters a form simultaneous computations on sec and capable of stopping on detec­ Data Processing Digest / P15 output; optional conversion units offer DocuMation, Inc. / P15 tion of a particular code with the code either analog, digital or mechanical out­ remaining in the reading position. GILLE ASSOCIATES, INC., 956 Mac­ puts / USE: fully automatic reading and cabees Bldg., Detroit 2, Mich. / The Both panel mounted readers with built reduction of conventional strip charts, in spooling and desk top machines are Punched Card Machine Accounting and circular charts, or film, eliminating need Data Processing Semi-Annual / DESCR: available. All use solid state circuitry. for manual curve following with subse­ Separate spoolers are made including a publication dedicated to the advance­ quent computations / $15,000 to $20,- ment and enlightenment of the sci­ one for centre unwinding. A sealed 000, depending on computations and reader with spooling is also made to ence of punched card accounting and outputs / Rl electronic and integrated data process­ meet military environment specifications Richardson Camera Co., Inc. / Rl / R6 ing / USE: a valuable reference library; Smith-Corona, Inc. / Rl a means of interchanging ideas / $9 Kleinschmidt, Inc. / R6 The Standard Register Co. / Rl POrrER INSTRUMENT CO., INC., per volume / P15 Wharf Engineering Lab. / RI The Institute of Management Sciences / Sunnyside Blvd., Plainview, 1. I., N. Y. / Perforated Tape Reader / DESCR: PI5 R2. Readers, Character Instrument Society of America / P15 provides character reading speeds of Avion Div., ACF Industries / R2 600, 300, or 150 characters per second; P16. Punch Card Machines General Electric Co., Computer Dept. / full speed is achieved in 3 milliseconds, The British Tabulating Machine Co., Ltd. R2 and tape stops on or before character / PI6 Intelligent Machines Research Corp. / R2 following stop code (before next char- ["86 ] RIO acter at 300 characters per second); models available for handling 5, 6, 7, and S level perforated tape / USE: digital computing and data-handling Tape field / prices start at $3,000 / R6 loop Smith-Corona, Inc. / R6 Buffer Devices SOROBAN ENGINEERING, INC., Box 1717, Melbourne, Fla. / Paper Tape Readers / DESCR: single and dual me­ chanical sensing paper tape reading de­ vices capable of eight level reading up to speeds of 60 characters per second / - / $650 to $1150 / R6 Telectro Industries Corp. / R6 Perforated Tope R7. Readers, Photoelectric Readers BENDIX COMPUTER DIVISION, BEN­ DIX AVIATION CORP., 5630 Arbor Vitae St., Los Angeles 45, Calif. / photoelectric paper tape reader / DESCR: 250 char/sec. avg. speed. Uses novel magazine loading principle which provides convenient storage of tapes and rapid loading. Supplied only as standard equipment on Bendix G-15, together with 20 char/sec. punch. See also C2 / USE: data and program in­ put / not available as separate item / R7 SPECIFY Digitronics Corp. / R7 Ferranti Electric Ltd. - see R6 / R7 Key Electric Corp. / R 7 POTTER Laboratory for Electronics, Inc., Compu- ter Products Div. - see VI / R7 National Data Processing Corp. / R7 Potter instruments and systems Smith·Corona, Inc. / R7 are unexcelled in reliability, R8. Headers, Punch Card accuracy and flexibility. The BENDIX COMPUTER DIVISION, BEN­ equipment shown is typical DIX AVIATION CORP. - see C6 / of other available high-precision Rs instruments for use as The British Tabulating Machine Co., Ltd. R8 individual components or in integrated systems to meet R9. He cording Papers specific requirements. Alden Electronic & Impulse Recording Equip. Co. / R9 Alfax Paper & Engineering Co. / R9 "Quick Look" Recorders The Bristol Company / R9 Tranosistorized Record Playback Amplifiers Clarkson Press, Inc. / R9 Transistorized Frequency Time Counters Eastman Kodak Co. / R9 Random Access Memory Systems Edin Co., a Div. of Epsco, Inc. / R9 Other Peripheral Equipment Minneapolis-Honeywell Regulator Co., for Data Processing Systems Industrial Div. / R9 National Data Processing Corp. / R9 Sanborn Co. I R9 Strandberg Engineering Lab., Inc. I R9 RIO. Rectifiers AUDIO DEVICES, INC., Rectifier Div., 620 E. Dyer Rd., Santa Ana, Calif. / A-I) silicon rectifiers I DESCR: Com­ plete line of sealed silicon rectifiers, ranging in rating from 500 milliamperes forward current to 200 amperes and higher. PIV ratings from 100 to 1600 Single and Dual Gap Magnetic Heads Perforated Strip Readers volts. / USE: Clipper and limiter cir­ cuits, inductive surge absorbers, mag­ Write for literature describing these and other Potter netic amplifiers, modulator circuits, etc., special application products. For detailed technical speci­ 1-/ RIO fications on any of the Potter Products listed above, call Automatic Manufacturing Div. I RIO or write your Potter Representative or the factory. Bradley Laboratories, Inc. I RIO Canadian Westinghouse Co., Ltd., Elec- tronics Div. / RIO ~~,.. j POTTER INSTRUMENT COMPNAewNYy'OrkINC. Fanstcel Metallurgical Corp. I RIO -~J Sunnyside Boulevard, Plainview, Federal Telephone and Radio Co. I RIO FERRANTI ELECTRIC LTD., Industry OVerbrook 1.. 3200 St., Toronto, Ontario I rectifiers I [87 ] RIO DESCR: a range of silicon rectifiers I Mack Electronics / RII Radio Corp. of America, Components Div. RIO Magnetics Research Co. / Rll / R12 General Electric Co., Rectifier Dept. - Potter Instrument Co., Inc. / Rll Schweber Electronics / R12 see P8 / RIO Ransom Research / Rll Sigma Instruments, Inc. / RI2 General Electric Co., Semiconductor Prod­ Saunders & Co. / Rll Societe d'Electronique et d'Automatisme ucts Dept. / RIO Sprague Electric Co. / RII / R12 General Transistor Corp. I RIO Stromberg-Carlson, a Div. of General Soroban Engineering, Inc. / R12 Hoffman Electronics Corp., Semiconduc­ Dynamics Corp. / RII Stromberg-Carlson, a Div. of General tor Div. / RIO Dynamics Corps. / RI2 Hughes Aircraft Co. / RIO R12. Relays (Computer Types) Tally Register Corp. / RI2 Hughes Products, Semiconductor Div., Ace Electronic Associates, Inc. I RI2 Union Switch & Signal Div. of Westing­ Hughes Aircraft Co. / RIO Aemco, Inc. / R12 house Air Brake Co. / RI2 International Rectifier Corp. / RIO Allied Control Co. / RI2 Weston Instruments I RI2 International Resistance Co. / RIO Amperite Co., Inc. I R12 Wheelock Signals, Inc. / R12 P. R. Mallory & Co., Inc. / RIO Assembly Products, Inc. / RI2 Motorola Semiconductor Products Div. / R13. Resistors AUTOMATIC ELECTRIC COMPANY, RIO Northlake, Ill. / relays (telephone-type) Aerovox Corp. / R13 Opad Electric Co. / RIO / DESCR: small size, light weight, twin Allen-Bradley Co. I RI3 Pacific Semiconductors, Inc. / RIO contact springs, resistant to vibration, Allies' Products Corp. I RI3 RADIO CORP. OF AMERICA, SEMI- humidity, and extremes of temperature Arnhold Ceramics, Inc. I RI3 CONDUCTOR & MATERIALS DIV., / USE: Standard screw mounting; some Bourns Laboratories, Inc. - see P7 I R13 Somerville, N. rectifiers / RIO J. / are available for tin-dipped printed cir­ Calvert Electronics, Inc. - see T19 / R13 Radio Development & Research Corp. / cuit cards, or mounted on regular oc­ Centralab / RI3 RIO tal-type or industrial plugs. Wired or Clarostat Mfg. Co. I RI3 Radio Recepter Co., Inc. / RIO unwired / $3 to $8; hermetically sealed Con-Elco / RI3 RAYTHEON MFG. CO., SEMICON­ at approximately twice as much / R12 Corning Glass Works, Electronic Com­ DUCTOR DIV., 55 Chapel St.,. Newton Automation Controls Corp. / R12 ponent Dept. I RI3 58, Mass. / rectifiers / DESCR: silicon The Bristol Company / R12 DALE PRODUCTS, INC., Box 136, Co­ diffused junction wired-in and 7/16" lumbus, Nebr. I resistors / DESCR: C. P. CLARE & CO., 3101 Pratt Blvd., stud rectifiers / RIO full line of precision power resistors. Chicago 45, Ill. / Types HG and HGP Texas Instruments Inc., Semiconductor- Both wire wound and deposited carbon. mercury-wetted contact relays / DESCR: Components Div. / RIO Also precision potentiometers / USE: Thermosen Inc. / RIO Sealed-in-glass mercury-wetted contact in all electronic circuits / prices on re­ switch surrounded by operating coil Transitron Electronic Corp. / RIO quest / R13 and encased in a metal housing mounted U. S. Dynamics Corp. / RlO The Daven Co. / RI3 on an octal base / USE: Thermocouple Vickers Inc., Electric Products Div. / RIO Donner Scientific Co. I RI3 switching; magnetic drum switching; Westinghouse Electric Corp., Semicon- Ferroxcube Corp. of America I R13 transistor-driven uses; microsecond ductor Dept. / RIO General Transistor Corp. I R13 pulse switching card-punch and type­ International Resistance Co. I RI3 writer-key in computers, data process­ Rl1. Registers, Shift Kelvin Electric Co. / RI3 ing, and automation systems; teletype Lapp Insulator Co., Inc. / RI3 Airtronics, Inc. / RII drive; missile ground controls; video P. R. Mallory & Co., Inc. / RI3 American Machine and Foundry, EI,ec­ switching; computer relay trees; and Non-Linear Systems, Inc. / R13 tronics Div. / RII general computer uses / $9 to $26 I Ohmite Manufacturing Co. / RI3 Burlingame Associates, Ltd. / Rll R12 COMPTRON CORPORATION, 778 Reon Resistor Corp. / RI3 Comar Electric Co. / RI2 Pleasant St., Belmont 79, Mass. / trans­ Resistance Products Co. / RI3 Cook Electric Co. / RI2 istorized shift registers / DESCR: a Sage Electronics Corp. I RI3 grouping of transistorized flip-flops to­ THOMAS A. EDISON INDUSTRIES, Saunders & Co. / RI3 gether with the necessary diode logic INSTRUMENT DIVISION, Mc­ Schweber Electronics / R13 cards, providing a shift register which GRAW-EDISON CO., 36 Lakeside Shallcross Mfg. Co. / RI3 may be serially or parallelly set. Shifts Ave., West Orange, N. J, / rotary com­ Spectrol Electronics Div: of Carrier Corp. forward or backward and reads either in ponents and relays / DESCR: rotary I RI3 series or parallel as desired / USE: in servo-synchro components, gear heads, Sprague Electric Co. / RI3 digital computers or control circuits I magnetic heads, sensitive D. C. relays, Stackpole Carbon Co. / RI3 $100 up depending on size / Rll time delay relays, thermostats and Texas Instruments, Inc., Semiconductor- Computer Control Co., Inc. / RII other components for computers. Components Div. / R13 Daystrom Inc., Daystrom Systems Div. / Separately or as complete packaged United Mineral & Chemical Corp. / RI3 Rll miniaturized computers of Edison manu­ Weston Instruments / RI3 Epsco Components / RII factured components. Complete labora­ ESC CORPORATION, 534 Bergen Blvd., tory, engineering and manufacturing R14. Resolvers Palisades Park, N. J. / pulse compon­ facilities available to design and manu­ Beckman Instruments, Berkeley Div. / ents / DESCR: embedded assemblies facture complete systems / USE: in R14 and components, shift registers and missile and aircraft guidance and com­ Bendix Aviation Corp., Eclipse-Pioneer miniature pulse transformers / USE: puter systems / $400 to $1200 depend­ Div. / RI4 radar, computers, pulse applications I ing on system required / R12 Control Data Corp. / RI4 $3 up, dependent on specifications / Rll Electronic Specialty Co. / RI2 Daystrom Transicoil Corp. / R14 FERRANTI ELECTRIC LTD., Industry General Automatic Corp. / RI2 Diehl Mfg. Co. I RI4 St., Toronto, Ontario / shift registers / The Gerber Scientific Instrument Co. / FERRANTI ELECTRIC LTD., Industry DESCR: plug-in transistorized package RI2 St., Toronto, Ontario / resolvers I shift registers, to 500 kc/s or higher Guardian Electric Mfg. Co. / R12 DESCR: spherical tracking resolver giv­ with special designs. Magnetic core Hillburn Electronic Products Co. / R12 ing digital output + x and + y I RI4 shift registers. Core-transistor shift Kepco Laboratories, Inc. / RI2 Kearfott Co., Inc. / :Ri4 - registers / Rll North Electric Manufacturing Co. / RI2 Norden-Ketay Corp. I RI4 General Electric Co., Computer Dept. I Phaostron Instrument and Electronic Co. John Oster Mfg. Co., Avionic Div. I Rll I R12 R14 General Electric Co., Specialty Electronic Phillips C~mtrol Corp. / R12 Reeves Instrument Corp. / R14 Components Dept. / Rll Potter and Brumfield Mfg. Co., Inc. / RI2 Westgate Laboratory, Inc. / R14 [88 ) S2 R15. Resolvers, Coordinate Transform 'T hew0 rid's Beckman Instruments, Berkeley Div. I R15 Bendix Aviation Corp., Eclipse-Pioneer Div. I R15 Diehl Mfg. Co. I R15 toughest referee Donner Scientific Co. I R15 Reeves Instrument Corp. I R15 Westgate Laboratory, Inc. I R15 R16. Resolvers, Product ••• a count of rum and the tape is OUT! Beckman Instruments, Berkeley Div. I R16 Bendix Aviation Corp., Eclipse-Pioneer Div. I R16 Reeves Instrument Corp. I R16 Weston Instruments I R16

R 17. Resolvers, Sine-Cosine American Electronics, Inc. I R17 Beckman Instruments, Berkeley Div. I R17 Bendix Aviation Corp., Eclipse-Pioneer Div. I R17 Diehl Mfg. Co. I R17 Donner Scientific Co. I R17 Librascope, Inc. I R17 Reeves Instrument Corp. I R17 Westgate Laboratory, Inc. I R17

RlS. Robots BERKELEY ENTERPRISES, INC., SIS Washington St., Newtonville 60, Mass. I Small Robots I DESCR: small robots such as Simon, a miniature mechanical brain; Squee, an electronic robot squir­ rel; Relay Moe, Tit-Tat-Toe game­ playing machine; Nim machine; Brain­ iac, Gcniac, Tyniac, electric brain con­ struction kits, etc. I USE: in shows, lecturing, teaching, exhibits, displays, explaining I $10 to $4000, or rental I R18 S1. Scanners The machine above is a unique test­ and binder components are selected Alden Electronic & Impulse Recording ing instrument, designed by Audio for fineness of dispersion and mag­ Equip. Co. I S1 Devices engineers and installed at netic properties-then combined aI,ld .American Electr,onics, Inc. I S1 the Audiotape plant in Glenbrook, fed through a micronic filter and Applied Science Corp. of Princeton I S1 Conn. This Automatic Defect Counter metered on the selected foil in Audio's Beckman Instruments, Berkeley Div. I records and plays back every inch special dust-free precision coating SI of the EP Audiotape under test. machines. The coated master rolls Clary Corp. I S1 Type EP is the extra precision mag­ are then selected for freedom from Farrand Optical Co. I S1 netic recording tape for applications imperfections and proceed through The Foxboro Co. I SI in computing, automation, telemeter­ the slitting operation. Each ribbon The Geotechnical Corp. I SI ing and seismography. If the tape fails is wiped after slitting to remove all Gilmore Industries I S1 to record a single test pulse out of the traces of dust, run through the de­ Non-Linear Systems, Inc. - see C40 I SI millions put on a single reel, the en­ fect counter, rejects discarded, and Strandberg Engineering Lab., Inc. I S1 tire reel is rej ected. There are no ifs, the defect-free tape packed in her­ S2. Semiconductors ands or buts. metically sealed metal cans or plastic This is one of many special quality­ cases. Allgemeine Elektricitaets-Gesellschaft I control operations to which type EP The defect counter does its job so S2 Audiotape is subjected. The extra well that type EP Audiotape is gu.ar­ Bendix Aviation Corp., Research Labora­ attention begins at the raw material anteed to be defect-free! For more tories Div. I S2 stage where the master rolls of base information write for free Bulletin Canadian Westinghouse Co., Ltd., Elec­ materials are critically examined for T112A. Write Dept. TA, Audio De­ tronics Div. I S2 uniformity of gauge, freedom from vices, Inc., 444 Madison Avenue, New CBS-HYTRON, Div. of Columbia Broad­ stretch, and cleanliness. The oxide York 22, N. Y. casting System, Inc., 100 Endicott St., Danvers, Mass. I Electron tubes and d8TiS~~ semiconductors for computer and other uses / S2 Delco Radio Div., General Motors Corp. t (~~;~~)\'..c\.'"", "" '0'" Glldiotape- MAl. I S2 ftA SUo. Fenwal, Inc. I S2 Y~ ~~<\t"/:/;~;;" AUDIO ~EVICES, INC., Flight Research, Inc. I S2 "<~,:>" '. 444 Madison Ave., N. Y. 22, N. Y. General Electric Co., Rectifier Dept. _ Expor! Dept.: 13 East 40th St., N. Y., 16 • Cables "ARLAB" • In Hollywood: 840 N. Fairfax Ave. see P8 / S2 In-Chicago: 5428 Milwaukee Ave .• Rectifier Division: 620 E. Dyer Rd., Santa Ana, Calif. [ 89 ] S2 General Transistor Corp. / S2 S3A. Soldering Irons General Electric Co., Computer Dept. / Hughes Aircraft Co. / S2 ORYX CO., 9015 Wilshire Blvd., Beverly S5 Kemtron Electron Products, Inc. / S2 Hills, Calif. / Oryx soldering instru· Jacobs Instrument Co. / S5 P. R. Mallory Co., Inc. /52 ments / DESCR: complete line of long Laboratory for Electronics, Inc., Compu­ Motorola Semiconductor Products Div. / life, low maintenance, pencil-type irons ter Products Div. - see 012 / S5 S2 for research and development, produc­ Laboratory for Electronics, Computer RADIO CORP. OF AMERICA, SEMI­ tion and service use / USE: tip tem· Products Div. - see 12 / S5 CONDUCTOR & MATERIALS DIV., peratures from 524°F. to 1OOO°F. Rese Engineering, Inc. / S5 Somerville, N. J. / semiconductors / Transformers available / $4.95 up to $8 Saunders & Co. / S5 S2 / S3A Smith-Corona, Inc. / S5 Radio Receptor Co., Inc. / S2 Societe d'Electronique et d' Automatisme Raytheon Mfg. Co. / S2 S4. Storage Systems / S5 Telemeter Magnetics, Inc. / S5 Sylvania Electric Products, Inc., Woburn American Electronics, Inc. / S4 Div. / S2 AMPEX CORP., Instrumentation Div., 56. Switches Texas Instruments, Inc., Semiconductor- 934 Charter St., Redwood City, Calif. / Components Div. / S2 FR-300, FR-400, FR-200A / DESCR: Aerovox Corp. / S6 Thermosen Inc. / S2 magnetic tape recorders and reproduc­ Allen-Bradley Co. / S6 Transitron Electronic Co'rp. / S2 ers for programming; memory units; Allied Control Co. / S6 Tung-Sol Electric, Inc. / S2 computer input, output and storage de­ Applied Science Corp. of Princeton / S6 United Mineral & Chemical Corp. / S2 vices for automatic data-reduction sys­ The Bristol Company / S6 Vickers Inc., Electric Products Div. / S2 tems, machine-tool control systems, etc. Centralab / S6 Westinghouse Electric Corp., Semicon- / USE: magnetic tape recorder/repro­ Claro stat Mfg. Co. / S6 ductor Dept. / S2 ducer for digital data primarily de­ Comar Electric Co. / S6 S3. Simulators signed for use with computer systems I Electro-Snap Switch & Mfg. Co. / S6 General Controls Co. / S6 Aero Electronics Co. / S3 $2750 up / S4 Guardian Electric Mfg. Co. / S6 American Research & Mfg. Corp. / S3 Arenberg Ultrasonic Laboratory, Inc. / P. R. Mallory & Co., Inc. / S6 Applied Science Corp. of Princeton / S3 S4 Micro Switch / S6 BENDIX COMPUTER DIVISION, BEN- Computer CO'ntrol Co., Inc. / S4 Potter and Brumfield Mfg. Co., Inc. / S6 DIX AVIATION CORP., 5630 Arbor Consolidated Electrodynamics Corp. / S4 Sangamo Electric Co. / S6 Vitae St., Los Angeles 45, Calif. / 3 Control Data Corp. / S4 Shallcross Mfg. Co. / S6 axis Bight system simulator / DESCR: Ferranti Electric, Inc. - see 03 / S4 Spectrol Electronics Div. of Carrier Corp. a large high precision analog compu­ FERRANTI ELECTRIC LTD., Industry S6 ter combined with a massive servo­ St., Toronto, Ontario / storage systems Stackpole Carbon Co. / S6 operated 3-axis table / USE: simula­ / DESCR: tape storage systems. Photo­ Stromberg-Carlson, a Div. of General tion of aircraft and missile guidance graphic drum storage systems having 6 Dynamics Corp. / S6 and control systems, radar, etc. / price a capacity of 10 bits per square inch. (see M2) / S4 depends on requirements / S3 S7. Switches, Stepping Bendix Aviation Corp., Research Labora­ General Ceramics Corp. / S4 tories Div. / S3 Laboratory for Electronics, Inc., Compu- AirByte Electronics Co. / S7 Computer Engineering Associates, Inc. / ter Products Div. - see 012 / S4 AUTOMATIC ELECTRIC COMPANY, S3 Rese Engineering, Inc. / S4 Northlake, Ill. / rotary stepping Computing Devices of Canada, Ltd. / S3 Smith-Corona, Inc. / S4 switches / DESCR: Type 44-small-1O, Curtiss-Wright Corp., Electronics Div. / Soroban Engineering, Inc. / S4 22 or 33-point selection-up to six 10- S3 Southwestern Industrial Electronics Co. / point bank levels; Type 45-two to DIAN LABORATORIES, INC., 611 S4 twelve 25-point bank levels-capacities Broadway, New York -12, N. Y. / Telectro Industries Corp. / S4 -25 points, 12 levels-50 points, 8 lev­ Bryant Gage & Spindle Division, a divi­ Computers, Analog / High precision els. Available with solderless terminals, sion of Bryant Chucking Grinder Co. / general purpose analog computing hermetic sealing, and other special fea-' S4 systems - simulators - trainers / tures / - / S7 USE: computing ,simulating, training, S5. Storage Systems, Magnetic C. P. CLARE & CO., 3101 Pratt Blvd., testing / S3 Chicago 45, Ill. / Types 11, 20, 26, 40, Donner Scientific Co. / S3 Airtronics, Inc. / S5 and 52 springdriven stepping switches / Erco Plant - Nuclear Products, Div. of Alden Products Co. / S5 DESCR: Uniselectors or electromechani­ ACF Industries / S3 - AMPEX CORP., INSTRUMENTATION cal devices for completing, interrupt­ The Franklin Institute Lab. / S3 DIV., 934 Charter St., Redwood City, ing, or changing the connections in a Genisco, Inc. / S3 Calif. / FR-300, FR-400, FR-200A / succession of electric circuits in re­ FERRANTI ELECTRIC LTD., Industry DESCR: magnetic tape recorders and sponse to momentary impulses of cur­ St., Toronto, Ontario / simulators / reproducers for programming; memory rent / USE: Selecting any desired point DESCR: reactor simulator for studies units; computer input, output and of a series; selecting the first idle point on reactor control systems. Simulator storage devices for automatic data-re­ of a series; sequence controlling-auto­ provides for 14 categories of delayed duction systems, machine-tool control matic control of a series of operations neutrons. Thermal effects can be in­ systems, etc / USE: magnetic tape re­ in a predetermined manner; counting cluded. The simulator works in real corder-reproducer for digital data pri­ and totalizing; monitoring. / $12 to time and includes function generators / marily designed for use with computer $40 / S7 S3 systems / $2750 up / S5 Cook Electric Co. / S7 The Geotechnical Corp. - see C23 / S3 Bryant Gage & Spindle Div. / S5 Guardian Electric Mfg. CO'. / S3 Burlingame Associates, Ltd. / S5 The Daven Co. / S7 Hillyer Instrument Co. / S3 . Burroughs Corp., ElectroData Division / Eagle Signal Corp. / S7 Librascope, Inc. / S3 S5 Electro-Snap Switch & Mfg. Co. / S7 Measurement Engineering, Limited / S3 Computer Control Co., Inc. / S5 Engineered Electronics Company / S7 Mid-Century Instrumatic Corp. / S3 Consolidated Controls Corp. / S5 The Newton Co. / S3 Consolidated Electrodynamics Corp. / S5 Guardian Electric Mfg. Co. / S7 Societe d'Electronique et d'Automatisme Control Data Corp. / S5 North Electric Manufacturing Co. / S7 / S3 Daystrom Inc., Daystrom Systems Div. / Potter and Brumfield Mfg. Co., Inc. / S7 Telectro Industries Corp. / S3 S5 Shallcross Mfg. Co. / S7 Valor Electronics, Inc. / S5 Ferranti Electric Ltd., - see S4 / 55 Stromberg-Carlson, a Div. of General Westgate Laboratory, Inc. / S3 General Ceramics Corp. / C5 Dynamics Corp. / S7 [90 J T2 S8. Synchros American Electronics, Inc. / 58 Bendix Aviation Corp., Eclipse-Pioneer Div. / 58 "We taught ourselves Canadian Applied Research, Ltd. / 58 Consolidated Electrodynamics Corp. / 58 Control Data Corp. / 58 Daystrom Transicoil Corp. / 58 Thomas A. Edison Industries / 58 to use the Ford Instrument Co., Div. of 5perry Rand Corp. / 58 Helipot Corp. / 58 Kearfott Co., Inc. / 58 Minneapolis-Honeywell Regulator Co., computer Boston Division / 58 Norden-Ketay Corp. / 58 John Oster Mfg. Co., Avionic Div. / 58 5igma Instruments, Inc. / 58 .. . it's that easy:' 59. Systems Engineering Adalia, Ltd. / 59 PETER M. LANG, Senior Engineer Automation Engineering Laboratory / S9 NUCLEAR PRODUCTS-ERCO DIVISION OF ACF INDUSTRIES, INC. Automation Engineers Co. / 59 Automation Management, Inc. / S9 Burroughs Corporation, Research Center / S9 Dasol Corp. / 59 The De Florez Co., Inc. / 59 General Kinetics, Incorporated / 59 Laboratory for Electronics, Inc. / 59 Arthur D. Little, Inc. / S9 Nuclear Development Corporation of America / S9 Stanford Research Institute / S9 Strand Engineering Co. / S9 Systems Laboratories, Inc. / S9 Telemeter Magnetics, Inc. / 59 Haller, Raymond, and Brown, Inc. / S9 I:

T 1. Tachometers "Our nuclear engineering staff, in developing Airpax Products Co. / Tl commercial power reactors, required a I~ American Electronics, Inc. / Tl Bendix Aviation Corp., Eclipse-Pioneer full-sized digital computer that the entire Div. / Tl group could use. vVe picked the G-15 and I Canadian Applied Research, Ltd. / Tl was first to learn its use. I taught myself Diehl Mfg. Co. / Tl The Foxboro Co. / T1 in two days without help and in turn taught The A. W. Haydon, Co. / Tl two-day classes for other ACF employees. Kearfott Co. / T1 Many of us had no previous computer Measurement Engineering, Limited / T1 John Oster Mfg. Co., Avionic Div. / Tl experience, but we are now keeping our G-15 'hopping' -often seven days a week and T2. Tape Handlers eight to twelve hours a day:' Alwac Computer Div., El-Tronics, Inc. / T2 THE G-15 GIVES YOU memory and speed of American Electronics, Inc. / T2 computers costing four times as much • Typewriter Bryant Gage & Spindle Div. / T2 input-output, paper tape output and 250 J. H. Bunnell & Co. / T2 characters/sec paper tape input at no added BURROUGHS CORP., ELECTRODATA DIVISION, 460 5ierra Madre Villa, cost • Punch card input-output available • Extensive Pasadena, Calif. / digital magnetic tape library of programs furnished • Strong user's transport units / DESCR: 1/2" or 3/4" sharing organization • Proven reliability • Nationwide tape on 10 1/2" reels 3 or 6 milli­ sales and service • Lease or purchase. second start-stop, fast' rewind, single speeds up to 75 inches per second, mul­ tiple speeds / USE: digital computer systems, data processing and telemet­ ering systems, automatic controls / a­ round $8,000 / T2 Consolidated Electrodynamics Corp. / T2 Digitronics Corp. / T2 Ferranti, Ltd. / T2 DIVISION OF BENDIX AVIATION CORPORATION Hycon Eastern, Inc. / T2 Key Electric Corp. / T2 Built and backed by Bendix, the G·15 is serving scores POTTER INSTRUMENT CO., INC., of progressive businesses large and small through­ Sunnyside Blvd., Plainview, L. I., N. Y. out the world. For details, write to Bendix Computer, / Model 906, digital magnetic tape Department D-4, Los Angeles 45, California. [ 91 ] T2 handler / DESCR: high-speed transis­ Ferranti Electric Ltd. - see R4 / T4 T7. Tape Filing Systems torized digital magnetic tape handler Minneapolis-Honeywell Reg. Co., Davies Reeves Soundcraft Corp. / T7 capable of speeds to 150 ips with re­ Labs. Div. / T4 wind on search at 300 ips. Start times Reeves Soundcraft Corp. / T4 Ts. Tape Punches of 3 millisecond and stop times of 1.4 Smith-Corona, Inc. / T4 American Electronics, Inc. / Ts millisecond. Capable of cycling rates Societe d'Electronique et d'Automatisme Burroughs Corp., ElectroData Div. / TS to 200 cps / USE: input, programming, / T4 California Technical Industries / TS or output device for digital computers Stromberg-Carlson, a Div. of General Clary Corp. / TS or other digital data devices / $3000 to Dynamics Corp. / T4 Data Instruments Div. of Telecomputing $4000 / T2 Telectro Industries Corp. / T4 Corp. / Ts B. Rea Co., Inc. / T2 J. Wharf Engineering Lab. / T4 FERRANTI ELECTRIC LTD., Industry Telectro Industries Corp. / T2 St., Toronto, Ontario / paper tape T5. Tape, Recorders T3. Tape, Magnetic punches / DESCR: paper tape punch American Lava Corp. / T3 American Electronics, Inc. / T5 from keyboard input. High speed paper AMERICAN MOLDED PROD. CO., AMPEX CORP., INSTRUMENTATION tape punch / TS 2727 W. Chicago Ave., Chicago 22, DIV., 934 Charter City, Calif. / FR- Kleinschmidt, Inc. / Ts Ill. / Reels, magnetic tape / DESCR: 300, FR-400, FR-200A / DESCR: mag­ Litton Industries, Inc. / TS plastic reels, all sizes / USE: recorders, netic tape recorders and reproducers National Data Processing Corp. / TS computers / Sc to $2 ea. / T3 for programming; memory units; com­ Reeves Soundcraft Corp. / TS AMPEX CORP., INSTRUMENTATION puter input, output and storage devices Smith-Corona, Inc. / TS DIV., 934 Charter St., Redwood City, for automatic data-reduction systems, Societe d'Electronique et d'Automatisme Calif. / Ampex Magnetic Computer machine-tool control systems, etc. / / TS Tape / DESCR: a high-quality preci­ USE: magnetic recorder-reproducer for Soroban Engineering, Inc. / Ts sion grade magnetic tape for use with digital data primarily designed for use Teletype Corp. / TS digital tape recorders in conjunction with computer systems / $2750 up / Wharf Engineering Lab. / TS T5 with computers / USE: with digital T9. Tape Readers data-processing magnetic tape recorders. Autonetics, Div. of North Amer. Avia­ / $3.00 to $200 / T3 tion / T5 Bendix Computer Division, Bendix A via- AUDIO DEVICES, INC., 444 Madison A vco Mfg. Corp. / T5 r tion Corp. - see R7 / T9 Ave., New York 22, N. Y. / Extra BENDIX COMPUTER DIVISION;/BEN­ }. H. Bunnell & Co. / T9 precision audiotape / DESCR: Magnetic DIX AVIATION CORP., 5630 Arbor California Technical Industries / T9 recording tape for computers, teleme­ Vitae St., Los Angles 45, Calif. / MTA- Data Instruments Div. of Telecomput- try, seismography and other special­ 2 tape storage unit / DESCR: acceS­ ing Corp. / T9 ized applications. Guaranteed defect­ sory to Bendix G-15 general purpose FERRANTI ELECTRIC, INC., 95 Madi­ free. / USE: - / - / T3 digital computer. Up to four units son Ave., Hempstead, N. Y. / Photo­ Bendix Computer Division / T3 may be used. Each stores 300,000 electric Paper Tape Readers TR2 and Consolidated Electrodynamics Corp. / T3 words. May be searched for blocks or TR3 / DESCR: reads punched paper Minnesota Mining and Manufacturing file sections. See also C24 / USE: aux­ tape photoelectrically and gives stop Co., / T3 iliary storage of data and programs / on a character performance up to 200 Minneapolis-Honeywell Reg. Co., Davies $6S00, sale, $270 mo., lease / T5 characters per second and stop on or Labs. Div. / T3 Bergen Laboratories / T5 before next character up to 400 charac­ Orradio Industries / T3 The British Tabulating Machine Co., Ltd. ters per second. Friction drive mini­ Reeves Soundcraft Corp. / T3 T5 mizes tape wear / USE: computer in­ United Mineral & Chemical Corp. / T3 Burroughs Corp., ElectroData Div. / T5 put. Digital data transmission / $1,750 Consolidated Electrodynamics Corp. / T5 to $1,900 / T9 T3A. Tape, Magnetic, Filing Systems Cook Electric Co. / T5 Ferranti Electric, Inc. / T9 The British Tabulating Machine Co., Ltd. Davies Laboratories, Inc. / T5 Ferranti Electric Ltd. - see R6 / T9 / T3A Epsco, Inc. / T5 Miles Reproducer Co., Inc. / T9 Burroughs Corp., ElectroData Div. / T3A Gulton Industries, Inc. / T5 Potter Instrument Co., Inc. / T9 Consolidated Electrodynamics Corp. / Key Electric Corp. / T5 Reeves Soundcraft Corp. / T9 T3A Magne-Pulse Corp. / T5 Remington Rand Univac Div., Sperry Reeves Soundcraft Corp. / T3A Miles Reproducer Co. / T5 Rand Corp. - see 13 / T9 V isirecord, Inc. / T3A Minneapolis-Honeywell Reg. Co., Davies Smith-Corona, Inc. / T9 Labs Div. / T5 Soroban Engineering, Inc. / T9 T4. Tape, Readers Mohawk Business Machines Corp. / T5 Telectro Industries Corp. / T9 AMPEX CORP., INSTRUMENTATION Northam Electronics, Inc. / T5 Teletype Corp. / T9 DIV., 934 Charter St., Redwood City, Potter Instrument Co., Inc. / T5 Calif. / FR-300, FR-400, FR-200A / Radio Corp. of America, 'Precision Elec- TIO. Telemetering Systems DESCR: magnetic tape recorders and tronic Instruments Division / T5 Aeronca Mfg. Corp. / TIO reproducers for programming; memory Reeves Soundcraft Corp. / T5 American Electronics, Inc. / TIO units; computer input, output and stor­ Smith-Corona, Inc. / T5 Applied Science Corp. of Princeton / TIO age devices for automatic data-reduction Societe d'Electronique et d' Automatisme Automation Research & Design Associates systems, machine-tool control systems, / T5 / TIO etc. / USE: magnetic recorder-repro­ Stromberg-Carlson, a Div. of General Bendix Aviation Corp., Pacific Div. / TIO ducer for digital data primarily de­ Dynamics Corp. / T5 Bendix Aviation Corp., Research Labora- signed for use with computer systems Telectro Industries Corp. / T5 tories Div. / TIO / $2750 up / T4 Westrex Corp. / T5 The Bristol Company / TIO A vco Mfg. Corp. / T 4 T5A. Magnetic Tape Reels Centronix, Inc. / TIO Bendix Aviation Corp., Bendix Computer C G Electronics Corp. / TIO Division / T4 American Molded Prod. Co. / T5A Coleman Engineering Co. / TIO The British T~bulating Machine Co., Ltd. Consolidated Electrodynamics Corp. / T6. Tape, Paper T4 TIO }. H. Bunnell & Co. / T4 Bendix Aviation Corp., Research Labora­ Control Data Corp. / TIO California Technical Industries / T4 tories Div. / T6 Cook Electric Co. / TIO Consolidated Electrodynamics Corp. / T4 The British Tabulating Machine Co., Ltd. Corbin Corp. / TIO Cook Electric Co. / T4 / T6 Data Instruments Div. of Telecomputing Digitronics Corp. / T4 Reeves Soundcraft Corp. / T6 Corp. / TIO [92 } Dorsett Laboratories, Inc. / T10 Electronics Development Co., Inc. / TI0 Now you, can order from stock... ELECTRO-MECHANICAL RESEARCH, INC., P. O. Box 3041, Sarasota, Fla. / the new telemetry transmitting and acqUISI­ tion equipment / DESCR: FM/FM, PDM, PAM, airborne packages and BRYANT MAGNETIC ground station acquisition, data re­ duction systems / USE: aircraft and STORAGE missile telemetry / - / T 10 FERRANTI ELECTRIC LTD., Industry DRUM St., Toronto, Ontario / telemetering systems / DESCR: supervisory control systems for power applications / TIO Ford Instrument Co., Div. of Sperry Rand Corp. / T10 The Foxboro Co. / TIO The Geotechnical Corp. - see C22 / TIO Gulton Industries, Inc. / TlO Hallamore Electronics Co., Div. of The Siegler Corp. / TIO HAMMARLUND MFG. CO., INC., 460 W. 34 St., New York 1, N. Y. / cen­ tralized operations control equipment / DESCR: audio tone, or pulsed DC or audio tones for transmission of func­ tions or telemetering over common car­ riers - either wire or radio / USE: for telemetering or remote control - remote supervision / $250, up, depend­ ing on system / TlO HOOVER ELECTRONICS CO., Timoni­ um, Md. / telemetering systems / DESCR: FM/FM telemetering system involving up to 21 subcarrier channels and RF power outputs of up to 50 watts in single pressurized case or multiple covers / USE: transmitting data to remote point / price varies de­ pending upon complexity of system / TIO International Telemeter Corp. / T10 The new 512A Bryant general purpose magnetic storage drum Jefferson Electronic Products Corp. / TIO meets the exacting demands of all permanent storage problems, yet is Leeds & Northrup Co. / TI0 versatile enough to be used as a laboratory instrument. These.5" dia. x 12" Litton Industres, Inc. / T10 long drums are stocked for immediate shipment at a price that is far below Minneapolis-Honeywell Regulator Co., the cost of customer·designed drums. Davies Labs. Div. / TIO Northam Electronics, Inc. / TlO Features: Guaranteed accuracy of drum run·out, .00010" T.I.R. or less; Orradio Industries / T10 Integral motor drive; Capacities to 625,000 bits; Speeds up to 12,000 Ralph M. Parsons Co., Electronics Div. / R.P.M.; 500 kilocycle drum operation possible; Accommodates up to 240 TIO magnetic read/record heads; For re·circulating registers as well as general Radiation, Inc. / TlO storage. Raytheon Manufacturing Co. / TIO ]. B. Rea Co., Inc. / TlO Special Models: If your storage requirements cannot be handled by Southwestern Industrial Electronics Co. standard units, Bryant will assist you in the design and manufacture of TIO custom·made drums. Speeds from 60 to 120,000 R.P.M. can be attained, Shand & Jurs Co. / TlO with frequencies from 20 C.P.S. to 5 M.C. Sizes can range from 2" to 20" Stromberg-Carlson, a Div. of General diameter, with storage up to 6,000,000 bits. Units include Bryant·built Dynamics Corp. / T10 integral motors with ball or air bearings. Write for Model 512A booklet, or Taller and Cooper / TIO for special information. Tele-Dynamics / TlO The Thompson-Ramo-Wooldridge Prod­ ucts Co. / TIO High Speed Computer Drum T ll. Terminals Mobile Accurate Electronics Corp. / Tll Military AMP, Inc. / TIl Computer Drum Burndy Corporation, Omaton Div. / Tll CAMBRIDGE THERMIONIC CORP., 445 Concord Ave., Cambridge 38, Mass. Electronic and electrical components / DESCR: miniature and sub-miniature .RYANT GAGE and SPINDLE DIVISION plugs and jacks; gold, silver and other P. O~ Box 620-K. Springfield, Vermont. U. S. A. finish terminals; terminal boards; press mount and spring loaded diode clips; DIVISION OF BRYANT CHUCKING GRINDER CO. panel and chassis hardware; insulated [93 } T12 terminals; coils and coil forms; capaci­ Litton Industries, Inc. I TI3 N. Y. I Crystal diodes, Silicon Point tors / USE: individual piece part com­ PCA Electronics, Inc. I TI3 contact diodes, Transistors, Photodiodes ponent / under $5 / Tll Polyphase Instrument Co. I T13 / $1 to $14 I T14 General Ceramics Corp. / TIl Sangamo Electric Co. I T13 Sylvania Electric Products, Inc., Woburn The Geotechnical Corp. / TIl Sprague Electric Co. / T13 Div. I T14 Litton Industries, Inc. / TIl TECHNITROL ENGINEERING CO., Texas Instruments Inc., Semiconductor- Litton Industries, Components Div. / Tn 1952 E. Allegheny Ave., Philadelphia Components Div. / TI4 Measurement Engineering, Limited / TIl 34, Pa. I pulse transformers / DESCR: Transistor Products, Inc. I T14 Winchester Electronics, Inc. / TIl miniature and subminiature encapsu­ Transitron Electronic Corp. / T14 lated transformers. Stock and wound to Tung-Sol Electric Inc. / T14 T12. Transformers specifications. / USE: computers and U. S. Dynamics Corp. / T14 all pulse circuitry. Transistor circuits Automatic Manufacturing Div. / T12 T15. Transistors, Germanium Canadian Westinghouse Co., Ltd., Elec- a specialty. Mememory drivers and Bendix Aviation Corp., Research Labora­ tronics Div. / Tl2 sensers. / $1.75 to $7 / T13 tories Div. Tl5 ESC CORPORATION, 534 Bergen Blvd., Valor Electronics, Inc. I TI3 I Calvert Electronics, Inc. - see T19 / T15 Palisades Park, N. J. / pulse compon­ Wheeler Electronic Corp., Sub. of Sperry Canadian Westinghouse Co., Ltd., Elec­ ents / DESCR: embedded assemblies Rand Corp. / TI3 tronics Div. / TI5 and components, shift registers and CBS-Hytron, a Div. of Columbia Broad­ miniature pulse transformers / USE: T13A. Transducers casting System / T15 radar, computers, pulse applications / BJ Electronics, Borg-Warner Corp. I Clevite Transistor Products I T15 $3 up, dependent on specifications / T12 T13A Delco Radio Div., General Motors Corp. FERRANTI ELECTRIC LTD., Industry Bourns Laboratories, Inc. T13A I TI5 St., Toronto, Ontario / transformers / The Bristol Company / T13A General Electric Co., Semiconductor Prod­ DESCR: read and write transformers Donner Scientific Co. / TI3A ucts Dept. / T15 for magnetic drum recording / T12 Electro Products Laboratories, Inc. / General Transistor Corp. / Tl5 Gulton Industries, Inc. / TI2 TI31A. Hughes Products, Semiconductor Div., Jefferson Electric Co. / T12 Fairchild Controls Corp., Components Hughes Aircraft Co. I T15 Litton Industries, Inc. / Tl2 Div. / TI3A RCA Semiconductor and Materials Div. I Mico Instrument Co. / T12 General Cybernetics Corp. I TI3A T15 Microtran Co., Inc. / TI2 Genisco, Inc. / T13A Raytheon Mfg. Co. / T15 Polyphase Instrument Co. / T12 Hathaway Instrument Co. / T13A Texas Instruments, Inc., Semiconductor- Sangamo Electric Co. / T12 Northam Electronics, Inc. I T13A Components Div. I T15 . Sola Electric Co. I Tl2 Servomechanisms, Inc. / T13A Transitron Electronic Corp. / T15 Specialities, Inc. / Tl2 Sturrup, Inc. / T13A Tung-Sol Electric, Inc. I TI5 Sprague Electric Co. I Tl2 Stromberg-Carlson, a Div. of General T14. Transistors Westinghouse Electric Corp., Semicon- ductor Dept. / T15 Dynamics Corp. / T12 AMPEREX ELECTRONIC COMPANY, Superex Electronics Corp. / T12 a Div. of No. Amer. Philips Co., Inc., T16. Transistors, Silicon Wheeler Electronic Corp., Sub. of Sperry 230 Duffy Ave., Hicksville, L. I. / Rand Corp. / T12 Bendix A vi~tion Corp., Research Labora­ Computer components: premium quali­ tories Div. / T16 ty, "Reliable" electron tubes, indicator T13. Transformers, Pulse Calvert Electronics, Inc. - see T19 / T16 tubes, transistors, and crystal diodes. CBS-Hytron, a Div. of Columbia Broad­ ALADDIN ELECTRONICS, A DIV., OF Ferrites ("Ferroxcube"). Semiconduc­ casting System I T16 ALADDIN INDUSTRIES, INC., 703 tors. Also application engineering serv­ General Electric Co., Semiconductor Murfreesboro Rd., Nashville 10, Tenn. ice for these products I $1 to $3000 de­ Products Dept. / T16 I pulse transformers / DESCR: low pending on type / T14 General Transistor Corp. / T16 power pulse transformers available in Baird-Atomic Co. / TI4 Hughes Products, Semiconductor Div., many case configurations and in both Bendix Aviation Corp., Research Labora­ Hughes Aircraft Co. I TI6 miniature and micro-miniature size. tories Div. / TI4 Pacific Semiconductors, Inc. / T16 Pulse width from 0.1 to 13 USEC / Calvert Electronics, Inc. - see T19 / T14 RCA Semiconductor and Materials Div. I USE: coupling, impedance matching, and 'CBS-Hytron, a Div. of Columbia Broad- T16 blocking oscillators, either vacuum casting System / T14 Raytheon Mfg. Co. I T16 tubes or transistors $1.44 to $8.08 de­ Harrison Laboratories, Inc. / T14 SPERRY SEMICONDUCTOR DIV. OF pending on style and quantity / T13 Hughes Aircraft Co. / T14 SPERRY RAND CORP., Wilson Ave., Ballastran Corp. - TI3 Kepco Laboratories Inc. I T14 S. Norwalk, Conn. / Semiconductor Canadian Westinghouse Co., Ltd., Elec- Lansdale Tube Co. / TI4 Products / Research and development, tronics Div. I T13 Microtran Co. / T14 as well as manufacturing of a line of Celco / Tl3 Motorola Semiconductor Products Div. / silicon transistors / USE: for all gen­ Coil craft, Inc. / TI3 T14 eral purposes and small signal and Daystrom Inc., Daystrom Systems Div. / National Union Electric Corp. / TI4 computer applications for semiconduc­ T13 Pacific Semiconductors, Inc. I T14 tor devices / $10 to $30 / T16 Digitronics Corp. I TI3 RADIO CORP. OF AMERICA, SEMI- Texas Instruments Inc., Semiconductor­ Dilectron Div. of the Gudeman Co. I T13 CONDUCTOR & MATERIALS DIV., Components Div. I T16 Electronic Transformer Co., Inc. I TI3 Somerville, N. J. / germanium and Transistron Electronic Corp, / T16 EI-Rad Mfg. Co. / TI3 silicon transistors / T14 Westinghouse Electric Corp., Semicon­ Epsco Components I TI3 Radio Development & Research Corp. / ductor Dept. / T16 ESC CORPORATION, 534 Bergen Blvd., T1A. Palisades Park, N. J. / pulse compon­ RP - IHEON MFG. CO., SEMICON­ T17. Translating Equipment ents / DESCR: embedded assemblies uUCTOR DIV., 55 Chapel St., Newton Beckman Instruments, Berkeley Div. / and components, shift registers and 58, Mass. / transistors / DESCR: sili­ T17 miniature pulse transformers / USE: con and .germanium transistors, com­ Benson-Lehner Corp. I T17 radar, computers, pulse applications / puter transistors, subminiature trans­ C G Electronics Corp. / Tl7 $3 up~ dependent on specifications / T13 istors / USE: computers 'and related Consolidated Avionics Corp. I T17 Ferroxcube Corp. of America / T13 uses I - I T14 Consolidated Electrodynamics Corp. /1 Tl7 Gudeman Co. of Calif. / TI3 Stereatronics / TI4 Control Data Corp. / Tl7 Jacobs Instrument Co. / T13 SYLVANIA ELECTRIC PRODUCTS, CUBIC CORPORATION, 5575 Kearny Johnson Electronics Inc. / T13 INC., 1740 Broadway, New York 19, Villa Rd., San Diego 11, Calif. / tran- [94 J VJ sistorized playback system I DESCR: INTERNATIONAL BUSINESS MA­ photosensitive devices I DESCR: re­ playback system accepts recorded digital CHINES CORP., DATA PROCESS­ ceiving type tubes, thyratrons, storage data, converts to decimal form for dis­ ING DIV., 112 E. Post Rd., White tubes, cathode ray tubes, camera tubes, play, printout, etc. I USE: primary use Plains, N. Y. I IBM 884 Typewriter photocells I USE: as components with­ data reduction I - I T17 Tape Punch I DESCR: creates a per­ in equipment / - I T19 ELECTRONIC ENGINEERING CO. OF forated tape simultaneously with the RATHE ON MFG. CO., INDUSTRIAL CALIFORNIA, 1601 E. Chestnut, Santa typing operation I USE: these per­ TUBE DIV. AND SEMICONDUCTOR Ana, Calif. I computer language tran­ forated tapes control the IBM Tape­ DIV., 55 Chapel St., Newton 58, Mass. lator - ZA-1OO I DESCR: provides to-Card Punch for automatic conver­ I transistors, semiconductor diodes and rapid, efficient translation of data be­ sion to punched cards I monthly rental, rectifiers, electron tubes I DESCR: sili­ tween different types of electronic com­ $75. Selling price, $3,750. All prices con and germanium transistors, com­ puters and related data processing exclusive of tax I T18 puter transistors, silicon rectifiers, mini­ equipment; performs necessary trans­ The Newton Co. I TIS ature and subminiature tubes, low lation independently from the compu­ Remington Rand Univac Div., Sperry drain filamentary subminiature and ter I USE: solves computer to compu­ Rand Corp. - see 13 I T18 special cathode ray tubes I USE: com­ ter and computer to data processing sys­ Robotyper Corp. I T18 puter and related uses I - I T19 tem common language problems I $50,- Shepard Laboratories I T18 RAYTHEON MFG. CO., INDUSTRIAL 000 and up - depends on input-output Smith-Corona, Inc. I T18 TUBE DIV., 55 Chapel St., Newton equipment requirement I T17 SOROBAN ENGINEERING, INC., Box 58, Mass. I electron tubes I DESCR: Episco, Inc. I T17 1717, Melbourne, Fla. I Automatic Tab­ reliable miniature and subminiature Ferranti Electric, Inc. - see A6 I T17 ulators I DESCR: specialized coding tubes, low drain filamentary subminia­ The Geotechnical Corp. I T 17 and de-coding devices I USE: in con­ ture tubes, special cathode ray tubes I Kay Electric Co. I T17 trol of electronic tabulators and similar USE: computer and related uses I - I Librascope, Inc. I T17 printing devices I $1600 to $4900 I T19 Ransom Research I T17 T18 Sylvania Electric Products, Inc. I T19 Smith·Corona, Inc. I T17 Underwood Corp. I T18 Sylvania Electric Products, Inc., Woburn Soroban Engineering, Inc. I T17 Div. I T19 THE STANDARD REGISTER CO., Day­ T19. Tubes, Electronic Thermosen, Inc. I T19 Tung-Sol Electric, Inc. I T19 ton 1, Ohio I Electronic equipment AMPERE X ELECTRONIC COMPANY, (called "Stanomatic") I DESCR: capa­ a Div. of No. Amer. Philips Co., Inc., VI. Visual Output Devices ble of sensing or reading printed codes 230 Duffy Ave., Hicksville, L. I. I on business documents and translating Computer components: premium quali­ Avion Div., ACF Industries I VI them into digital pulses which will ac­ ty, "Reliable" electron tubes, indicator Burroughs Corp., Electronic Tube Div. / tuate office machines such as card tubes, transistors, and crystal diodes. VI punches, tape perforators, computers, Ferrites ("Ferroxcube") Semiconduc­ C G Electronic Corp. I VI etc. I USE: devices for encoding docu­ tors. Also application engineering serv­ Chrono-Iog Corp. I VI ments at original writing I - I T17 ice for these products I $1 to $3000 Control Data Corp. I VI T18. Typewriters, Electric, Controlled depending on type I T19 Convair, a'Division of General Dynamics Corp. / VI American Automatic Typewriter Co. I Amperite Co., Inc. / T19 Baird-Atomic, Inc. I T19 Corbin Corp. I VI TIS FERRANTI ELECTRIC LTD., Industry Benson-Lehner Corp. I TIS Burroughs Corp., Electronic Tube Div. I T19 St., Toronto, Ontario I visual output Fischer & Porter Co. I TIS devices I DESCR: machine for provid­ FRIDEN, INC., San Leandro, Calif. I CALVERT ELECTRONICS, INC., 536 Broadway, New York 12, N. Y. I Ra­ ing up to 128 plain language word pic· Flexowriters I DESCR: electric type­ tures from digital input I VI writing machine, standard electric key­ dio and electronics tubes I T19 board, code selector, code translator, CBS-HYTRON, DIV. OF COLUMBIA INTERNATIONAL BUSINESS MA­ tape punch, and tape reader, all inte­ BROADCASTING SYSTEM, INC., 100 CHINES CORP., DATA PROCESS­ grated in one machine; will punch, Endicott Street, Danvers, Mass. I Elec­ ING DIV., 112 E. Post Rd., White read, duplicate, correct paper tape; tron tubes and semiconductors for com­ Plains, N. Y. I The 740 Cathode Ray 5, 6, 7, 8 channels optional I USE: to puter and other uses I T19 Tube Recorder I DESCR: an electronic prepare documents at the' source, and Federal Telephone and Radio Co. / T19 output device designed for use with the produce as a by-product punched tapes FERRANTI ELECTRIC LTD., Industry IBM 701, 704, and 709. It provides an with complete selected information; St., Toronto, Ontario I electronic tubes output which records data points on the tapes in turn are used to actuate I DESCR: magnetrons, klystrons, TR the faces of a pair of television-like other tape-operated machines, such as cells. Ceramic tubes, cold cathode tubes tubes at the rate of 8,000 per second; communications equipment, address I T19 the larger tube (780 CRT Display Unit) plate embossing machines, tape-to-card GENERAL ELECTRIC CO., Receiving is used for visual display; the smaller punches, computers etc. I T18 Tube Dept., 316 E. 9th St., Owensboro, tube (740 CRT Recorder) is used in International Business Machines Corp. - Ky. (Sales offices in Clifton, N. J., conjunction with a camera under the see D1 I TIS Chicago, Ill., and Los Angeles, Calif. - control of the 701, 704, or 709. The INTERNATIONAL BUSINESS MA­ see listings in Roster of Organizations) camera automatically photographs in­ CHINES CORP., DATA PROCESS­ I receiving tubes I DESCR: industrial formation as directed by the program. ING DIV., 112 E. Post Rd., White and computer tubes, commercial glass I USE: for scientific, engineering, and Plains, N. Y. I IBM Typewriter Card metal, and miniature tubes, military design problems I monthly rental, Punch (types 824 and 826) I DESCR: miniature, subminiature, and ceramic $2,850. Selling price, $112,000. All both the 824 and 826 prepare punched tubes; computer tubes are specially de­ prices exclusive of Federal excise tax I cards for accounting use as an auto­ signed and manufactured to meet the I VI matic by-product of typewriting opera­ requirements of all types of computers LABORATORY FOR ELECTRONICS, tions. Each machine consists of two / USE: Various / T19 INC., COMPUTER PRODUCTS DIV., units, an IBM electric typewriter and a International Rectifier Corp. I T19 141 Malden St., Boston, Mass. I SM printing (826) or non-printing (824) International Resistance Co. I T19 generator and viewer I DESCR: a card punch. I monthly rentals range Lansdale Tube Co. I T19 read-out device which translates coded from $95 for 824 Modell to $145 for Litton Industries, Inc. I T19 data into written words for immediate 826 Model 6. Selling prices range from National Union Electric Corp. I T19 viewing or to photograph for permanent $3,700 for 824 Modell to $7,400 for RADIO CORP. OF AMERICA, ELEC- record of projection. Applied to data 826 Model 6. All prices exclusive of TRON TUBE DIV., 415 So. 5th St., processing, computer and other digi­ Federal excise tax I TIS Harrison, N. J. I electron tubes and tized systems I USE: as read-out, plot. [9S) VI ting and display device / $12,000 and Ransom Research / VI Stromberg-Carlson, a Div. of General up / VI Sanborn Co. / VI Dynamics Corp. / VI Laboratory for Electronics, Computer Saunders & Co. / VI Stromberg-Carlson (West Coast) / VI Products Div. - see 12 / VI Societe d'Electronique et d'Automatisme Tally Register Corp. / NI Libras cope, Inc. / VI / VI ' Union Switch & Signal, Div. of Westing­ Litton Industries, Inc. -/ VI Strandberg Engineering Lab., Inc. / VI house Air Brake Co. / VI Non-Linear Systems, In'c. - see C40 / VI

ADVERTISING INDEX

Following is the index of advertisements. Each item contains: General Electric Co., Aircraft Nuclear Propulsion Dept., Name and address of the advertiser / page number where the Cincinnati, Ohio / Page 33 / Deutsch & Shea, Inc. advertisement appears / name of agency if any. General Electric Co., Apparatus Sales Div., Schenectady, Ampex Instrumentation, 934 Charter St., Redwood City. N. Y. / Page 39 / G. M. Basford Co. Calif. / Page 17 / Boland Associates General Electric Co., Computer Dept., Phoenix, Ariz. / Arnold Engineering Co., Marengo, Ill. / Page 99 / Pa~e 9 / The McCarty Co. W. S. Walker Advertising, Inc. General Electric Co., Electronic Components Div., Owensboro, Ky. / Page 23 / Maxon, Inc. Audio Devices, Inc., 444 Madison Ave., New York 22, N. Y. / Page 89 / Marsteller, Rickard, Gebhardt & Minneapolis-Honeywell Regulator Co., DAT Amatic Reed, Inc. Div., Newton Highlands, Mass. / Page 8 / Batten, Barton, Durstine & Osborn, Inc. Avco Research & Advanced Development, 20 S. Union St., Lawrence, Mass. / Page 35 / Rozene Advertising Philco Corp., Government and Industrial Div., Wissa· Agency hickon and Abbotsford Rd., Philadelphia, Pa. / Page 3 / Maxwell Associates, Inc. Bendix Aviation Corp., Computer Div., 5630 Arbor Vitae St., Los Angeles 45, Calif. / Page 91 / The Shaw Potter Instrument Co., Sunnyside Blvd., Plainview; N.Y. Co. / Page 87 / c. M. Johnson & Associates, Inc. Bryant Chucking Grinder Co., Springfield, Vt. / Page Radio Corp. of America, Semiconductor and Materials 93 / Henry A. Loudon Advertising, Inc. Div., Somerville, N. J. / Page 15 / Al Paul Lefton & Co., Inc. Burroughs Corp., Military Field Service Div., 511 N. The Ramo-Wooldridge Corp., 5730 Arbor Vitae St., Los Broad St., Philadelphia, Pa. / Page 2 / Diener & Angeles, Calif. / Pages 13, 85 / The McCarty Co. Dorskind, Inc. Raytheon Manufacturing Co., Semiconductor Div., 55 Corp. for Economic and Industrial Research, 1200 Jeffer­ Chapel St., Newton, Mass. / Page 97 / Walter B. son Davis Highway, Arlington 2, Va. / Page 37 / - Snow & Staff, Inc. Dialight Corp., 60 Stewart Ave., Brooklyn 37, N. Y. / Royal-McBee Corp., Data Processing Equipment Div., Page 27 / H. J. Gold Co. Port Chester, N. Y. / Page 21 / C. J. LaRoche & Co. Electronic Associates, Inc., Long Branch, N. J. / Page 7 Schweber Electronics, Mineola, 1.1., N.Y. / Page 83 / Vision Associates -- / Halsted & Van Vechten, Inc. Sylvania Electric Products Inc., Electronic Systems Div., ESC Corp., 534 Bergen Blvd., Palisades Park, N. J. / 100 First Ave., Waltham, Mass. / Page 29 / Deutsch Page 5 / Keyes, Martin & Co. & Shea, Inc. Ferroxcube Corp. of America, E. Bridge St., Saugerties, John Wiley & Sons, Inc., 440 Fourth Ave., New York N. Y. / Page 100 / Sam Groden, Inc. 16, N. Y. / Page 41 / Norman D. Waters & Associates

The Editor' s Notes Part of the problem of communication however [Continued from page 6] should be solved not mechanically but "humanly." For problem of communication among computer people. Dr. example, a luncheon meeting of eight people could have Franz 1. Alt, editor of the Journal, remarked at the a topic introduced and explained for five minutes or so, meeting of the Council that he considered the most im­ and then the seven members of the audience could ask portant topic of the 17 items on the agenda was "con­ plenty of unsophisticated questions, like "I missed your sider admitting Users' Groups as organized entities of first two points. Will you say them over again?", or the Association." The Association would certainly help all its members "You used the word 'bootstrap.' What does that mean?" by finding out and reporting: Which members are in­ It would be a great aid to the computer field to organ­ terested in which topics, and have reached what levels ize an intelligent, imaginative, "operations research" of knowledge? Who would like to exchange ideas about attack on the problem of better and more satisfying what? communication of ideas among computer people. {96] YOUR COMPUTER DESIGNS ARE BETTER YOUR COMPUTERS PERFORM BETTER when you draw from this comprehensive range of

COMPUTER TRANS~STORS Raytheon PNP Germanium Fusion-Alloy Computer Transistors are approved for military applications. They provide:

o HFE control at high currents 0 High voltage ratings

o Fast switching speed 0 Low saturation resistance o Temperature range -65°C to +85°C

SUBMIN Type max. volts

Newton, Mass...... 55 Chapel St., BIgelow 4-7500 New york: ••••••••••••••• 589 Fifth Ave., PLaza 9-3900 Chicago: 9501 Grand Ave., Franklin Park, NAtional 5-6130 Los Angeles: 5236 Santa Monica Blvd., NOrmandy 5-4221

[ 97 J Make Your Own Tiny Genius Compllters ... Have Fun While You Learn With BRAINIAC Small Electric Brain Construction Kit K 15 - includes all 33 Geniacs (1955), all 13 Tyniacs (1956), and 60 all new Brainiacs (1957) FUN - SCIENTIFIC - INSTRUCTIVE - SAFE - INEXPENSIVE The complete kit you need to build over 100 baby genius electric brains

WHAT COMES WITH YOUR BRAINIAC KIT? Manual on what, why and how of small electric brains, incorpo­ rating over 7 years of our research and study. All 33 experiments from our former Geniac kit, with exact wiring tem­ plates for each one. All 13 experiments from the former Tyniac kit, also with exact wiring templates. 60 entirely new experiments (Brainiacs) with their solutions. An introduction to Boolean Algebra for designing circuits. Over 450 parts, as follows: 6 Multiple Switch Discs; Mounting Panel; 10 Flashlight Bulbs; 2 Multiple Socket Parts, each holding 5 bulbs; 70 Wipers, for making good electrical contact (novel design, patent applied for); 25 Jumpers, for transfer contacts; 50 feet of Insulated Wire; Flashlight Battery; Battery Clamp and Main On-Off Switch; nuts, bolts, sponge rubber washers, hard washers, screwdriver, spintite blade, etc.

. This kit is an up-to-the-minute introduction to the design of arithmetical, logical, reasoning, computing, puzzle-solving~ and game-playing circuits - for boys, students, schools, colleges, designers. It is simple enough for intelligent boys to as­ semble, and yet it is instructive even to engineers, because it shows how many kinds of computing and reasoning circuits can be made from simple components. This kit is the outcome of 7 years of design and development work with Geniacs and small robots by Berkeley Enterprises, Inc. With this kit and manual you can easily make over 100 small electric brain machines that display intelligent behavior and teach understanding first-hand. Each one runs on one flashlight battery; all connections with nuts and bolts; no soldering required. (Returnable for full refund if not satisfactory.) .. Price $17.95

WHAT CAN YOU MAKE WITH A BRAINIAC KIT? The Two Suspicious Husbands at Great North Bay The Submarine Rescue Chamber Squalux LOGIC MACHINES The Three Monkeys Who Spurned Evil Syllogism Prover Signals on the Mango Blossom Special - James McCarty's Logic Machine The Automatic Elevator in Hoboken AND, OR, NOT, OR ELSE, IF ... THEN, IF AND ONLY Timothy's Mink Traps IF, NEITHER ... NOR Machines Josephine's Man Trap A Simple Kalin-Burkhart Logical Truth Calculator Douglas Macdonald's Will The Magazine Editor's Argument Word Puzzle with TRICK The Rule About Semicolons and Commas QUIZ MACHINES The Farnsworth Car Pool Intelligence Test Guessing Helen's Age GAME-PLAYING MACHINES Geography Quiz Tit-Tat-Toe History Quiz Black Match Mr. Hardstone's Grammar Test Nim Solving Right Triangles Sundorra 21 Frank McChesney's Wheeled Band!i.t SIGNALING MACHINES The Jiminy Soap Advertising Sign COMPUTERS - to add, subtract, multiply, divide, .. The Sign that Spells Alice using decimal or binary numbers. Tom, Dick, and Harry's Private Signaling Channels - to convert from decimal to other scales of notation and Jim's and Ed's Intercom vice versa, etc. CRYPTOGRAPHIC MACHINES Operating with Infinity Adding' Indefinite Quantities Secret Coder Factoring Any Number from 45 to 60 Secret Decoder Prime Number Indicator for Numbers 1 to 100 Lock with 65,000 Combinations Thirty Days Hath September Lock with 15,000,000 Combinations Three Day Weekend for Christmas The General Combination Lock Calendar Good for Forty Years 1950 to 1989 Leonard's Two-Way Coding Machine Money Changing Machine ... AND MANY MORE Four by Four Magic Square Character of Roots of a Quadratic Ten Basic Formulas of Integration r -- ... - MAIL THIS REQUEST or a copy of it Berkeley Enterprises, Inc. PUZZLE-SOLVING MACHINES 815 Washington Street, R131, Newtonville 60, Mass. The Missionaries and the Cannibals The Daisy Petal Machine Please send me BRAIN lAC KIT K 15, including manual, Calvin's Eenie Meenie Minie Moe Machine instructions, over 400 parts, templates, circuit diagrams, etc. The Cider Pouring Problem I enclose $17.95 for the kit plus ...... for handling and The Mysterious Multiples of 76923, of 369, etc. shipping (30c, east of Mississippi; 80c, west of Mississippi; Bruce Campbell's Will $1.80, outside U.S.). I understand the kit is returnable in The Fox, Hen, Corn, and Hired Man seven days for full refund if not satisfactory (if in good The Uranium Shipment and the Space Pirates condition) . General Alarm at the Fortress of Dreadeerie My name and address are attached. [98 } In BOBBIN CORES, you need PRECISION MUt~.i4 tJ.e1lHJtdptA/W()Q)

For use in shift registers, coinCIdent ployed are Deltamax, Permalloy and current matrix systems, pulse trans- Supermalloy, in standard thicknesses formers, ,static magnetic memory ele- of .001", .0005", and .00025". Core ments, harmonic generators and simi- properties include quite rectangular lar equipment, Arnold Bobbin Cores hysteresis loops, relatively low co- meet the most exacting requirements. ercive values and high saturation Quality and uniformity? You'll find densities, plus the ability to shift in them no problem-because, as a fully a few microseconds from negative integrated producer with highly mod- remanence to positive saturation, and ern facilities, we're able to maintain vice versa, under conditions of pulse close control over every step. excitation. • Let Arnold supply your Arnold Bobbin Cores are available requirements for Bobbin Cores-or in a wide range of sizes, tape thick- other tape-wound cores, powder Ultra-thin tape for bobbin cores is rolled to nesses, widths and number of wraps cores, permanent magnets, etc.-from high precision standards for thickness and depending on the ultimate use of the the most complete line of magnetic finish on our own 20-high Sendzimir cold core. Magnetic materials usually em- materials in the industry. wsw 6399 reducing mill, beta-ray controlled. r' ~.~. ~-~.. , _.. -~"."". .- ---" - - ~- . . -- . --. . -- - . j (j)Jd1p;ffYu BULLETIN TC·l08A I 'fH~ ARNOLD' ENGIN£ERING . COMPANY.' "1 "TAPE·WOUND BOBBIN CORES 'Main Offh::e·~ ·P.lan't': Marenga, '~I'in'oi$ .. FOR COMPUTER APPLICATIONS" : $ l ~,., Repath Pacific Divlsian Plant: 641 Ectst 6ht Streft, los Angel\l$, (:0"'. Includes essential data on applications and properties, fabrication and testing of Arnold ., . District Soles Offices: ' . '. '. l ' , Bodon. 49 Waltham St., Lexington Los 3450 Wilshire'Slvd.: Bobbin Cores; lists standard sizes, etc. A~ge'es: \' New York: 3,SO Fifth Ave. WO$hington~ D,C,,:. ~~~i~l:~~~~~::~N.W •. ,.\ .' ADDRESS DEPT. CA-86 [ 99 J FXC, the Ferroxcube Corporation of America, is one of the few pioneer companies in the world specializing in the brand-new science and technology of ferrite components_ The "Ferrite Man" from FXC is at your service with the widest range of ferrite cores available from any source today and is ready to discuss with you your individual requirements and specifications with regard to any of the following custom engineered ferrite products: television flyback transformer cores • recording and playback head cores (contact and non-contact) • pulse and trans­ former cores • broadband transformer cores • pre-adjusted filter cores • high-frequency power transformer cores • delay line cores • ferrite choke or shielding cores and simple inductor cores • square hysteresis loop cores for memory arrays • square hysteresis loop cores for switching and other applications also available: ceramic permanent magnets • thermistors • varistors

Ask the ((Ferrite Man)} fro171 FERROXCUBE CORPORATION OF AMERICA 5 0 E A S T 8 RID G EST R E E T, SA U G E R TIE S, NEW YO R K