Personal Radios

RADIO TODAY

RECIPE FOR HAPPINESS - Personal radios for GENERAL ELECTRIC TOUCH TUNING MODEL F -96 General Electric Touch Tuning -the highest development in automatic tuning -is not only sensational in performance but sensational in price. New G -E Touch Tuning series includes Model F -96 -9 tubes with 7 Touch Tuning buttons; Model F- 107 -10 tubes with 16 Touch Tuning buttons; Model F- 135-13 tubes with 16 Touch Tuning buttons; and radio - phonograph combination Model F-109 - 10 tubes with 16 Touch Tuning buttons. The General Electric Radio advertising and merchandising plan is geared to speed up your sales. And of course, each model carries a money profit worth working for. ALL OF THEM GREAT HOLIDAY NUMBERS GENERAL ELECTRIC

FORRk REPLACEMENTS SPECIFY GENERAL ELECTRIC PRE- TESTED TUBES APPLIANCE AND MERCHANDISE DlPARTMENT, GENERAL ELECTRIC CO., BRIDGEPORT, CONN. elMwriZW !9 bach 1 and FIR

and INSTANTANEOUS ELECTRIC Push -a- Button TUNING

- .. , _:, _ r 95 $ LIST with tul! táacount

Perfected button tuning, at a popular

5 -tube super, two bands, AC operation, cabinet fin - price - with FULL DEALER PROFIT isbed m light walnut, 1454' tong, 6W deep, 8%' bigb.

The experience of Mr. Frank Andrea HERE'S the sec the trade has been looking for Instantaneous is among the longest and richest in all radio, dating hack to the early electric push -a -button tuning at a moderate price, yet with the pioneer days. quality that stays sold. Service expense has been out As early as 1915 Mr. Andrea was engineered of recognized as an outstanding radio this design. One look at the set will convince you it's built to guar- authority, when he was building precision equipment for the United States antee consumer satisfaction. Army and Navy. All the radio trade knows Frank Andrea as the first man- For over 21 years the Andrea name has been associated with quality ufacturer of Neutrodyne receivers. receivers and advanced design. This set is typical of the quality and During recent years Mr. Andrea has been engaged in the manufacture of designs that hase made Andrea Radio world- renowned. receiving sets for the export trade, where flawless manufacture and What's more, Andrea 6 -D -5 model is geared to fast sales and trouble -proof design are of para- mount importance. extra profits, without sacrifice of the dependability that builds Now Mr. Andrea again enters the customer confidence. domestic field with receivers designed to lead the industry. Andrea is "going to town" again! Andrea 6 -D -5 is only one out- Jobbers and dealers, don't delay. Phone, wire or unite for standing model in the line. Here's a "natural" that combines full details today. Address: ANDREA RADIO CORP., prestige and profit - "a natural" you can't afford to pass up. 4820 -48th Ave., Woodside, Long Island, N. Y.

OVERSEAS DISTRIBUTORS: Andrea Overseas Models include a complete range of AC, ,4C -DC, and battery models for all tuning bands, all voltages, and all climates. For trade information, address Export Division, Andrea Radio corp, (Cableaddtess, R.IDIA.VDREA, ll'oodside,N.Y.)

RADIO TODAY, December, 1937, Vol. III, No. 12, published monthly by Caldwell Clements. Inc., 480 Lexington Ave., New York, N. Y. Subscription yearly $1.00 in U. S. and Latin American countries; $1.25 in Canada; $3.00 all other countries; single copy, 25c. Entered as second -class matter July 24, 1936, at the post office at New York, N. Y., under the Act of March 3, 1879. Printed in U. S. A. Copyright 1937 by Caldwell Clements, Inc. fA "Selling good merchandise is the \ar service "We maintain by and giving service our aorge ator of any sucCess- foundation department MY partner which in consaanan9`e\\9n9 ana business. r see \ ful that not se h¢ nickel is a a and l decided to ever ttie outs tbe oint. ab¢- charged o our leading line ur customers to \` vev+P for botb Compres- upkeep repair user were thoroughly of or cause we ktie ßo\\atO sa\¢s\¢a In Norge Products. t¢ o d products. threee 9¢ sold on Norge years time 9 suc- the we find Ngs tbe been my \r¢ been very cost of sor We have maintenance e w\`as se'n my be exactly to e"enC¢ cessful. $12.00." tlo`tvnetouse exP s¢\\n9

CONCENTRATOR GAS and ELECTRIC RANGES

ROLLATOR REFRIGERATION Rollotor Refrigerotion protected by 10 -Year Warranty on the three - moving -ports Rollator Compression Unit. AUTOBU/LT WASHERS and DUOTROL /RONERS

2 Radio Today %1'P/CAL NORGE fl

been sell not Norge t o only sell After equip Norge, refrigerator a but I "The Norge thoroug sment, use Norge products a// power plant tops all others refrigerators dy of in my home - everything and service. market, from the in performance very Low -Temp I feel 1 made a refrig- is a beau- se erator The refrigerator e to the range, to sell washer, addition to any home. exclusively Norge ironer and tiful The oil burner. Puts Rollator always I The outlook for business all other sell prospects in t refrigerators the in he idea in 1938 is very good shade.., of a Norge -equipped home." this district."

ON REQUEST ,NAMES

NORGE erases "Red Ink" Months with ... BETTER PRODUCTS - MORE PROFITS - HIGHER TURNOVER Every month is a profit month for appliance Get full details about the valuable franchise Norge dealers who handle the full Norge line! There is is offering now to aggressive dealers who want to always sales activity in Norge Rollator Refrigera- make money the year around as Norge Master tion, Concentrator Gas or Electric Ranges, Auto - Merchants. Product turnover is high- dealer and built Washers, Duotrol Ironers, and package heat- salesman turnover is low in the Norge picture. ing and commercial refrigeration equipment. 1938 Liberal finance plans and a smashing new adver- products -greatest in Norge history -give dealers tising and sales promotion program back the man dramatic sales features that prove Norge superiority who sells Norge to the limit. You owe it to in convincing showroom demonstrations. yourself to get the whole story now. NORGE DIVISION Borg - Warner Corporation, Detroit, Michigan

FREE TO APPLIANCE DEALERS! NORDENORGE DIVISION Borg -I arnerCorporation, A Full volume on appliance selling and promotion. 660 East Woodbridge Street, Detroit, Michigan. One of the greatest dealer helps ever produced. I would like to receive a copy of your ,,eu book Describes a complete plan of store operation. for appliance Tells how to get the most out of advertising and dealers. sales promotion. Reveals for the first a time new NAME _. tested method of visual selling. No matter what ADDRESS products you sell, this book will show you how to make more money in the appliance business. TP-I CITY ...... _...... STATE

December, 1937 3 A NEW INDUSTRI Read the Amazin'! of Scientists Willi Frontier of Wireles!

RADIOFONE CORP. manufac- tures wireless intercommunication systems to meet every requirement. They are designed for operation on straight AC. The multiple, selective, wireless, AC Radiotone is the ONLY system of its kind now on the market. It operates merely by plugging each station into an AC outlet.

It consists of 1 Master station (model MM -O) and 5 remote stations (models MM -1, MM -2, etc.) for use on 110 -120 v. AC, 50 -60 cycle power lines. The Master can communicate with remote stations at will, selectively, while remote stations can communicate with the Master station. All units are equipped with automatic loud speaker cut -off circuits or phases existing in any building. Radiotones earphones for private conversations. A separate control operating on straight DC or other specialized wireless com- serves as a silencer when not in use so that line noises munication systems for operation on 25 cycle current or cannot be heard. Radiofones are so constructed that they on 220 -240 volts will be supplied where required. A will communicate from room to room, floor to floor, and 2- station wireless AC Radiotone system is also available wherein each station is a Master unit. building to building in the same general plant. Signalling, alarm and remote control systems all utilizing Absolutely no bridging or condensers are needed for the carrier frequencies developed to meet individual and operation of Radiotones regardless as to the number of industrial needs.

RADIOFONE CORPORATION

136 WEST 22nd STREET Cable Address NEW YORK, N. Y. FONERADIO, NEW YORK

4 Radio Today rltw1 . " ------

IS BORN ! 1 Story of This Group Crossed the Last Communication ...

NOTHING in years has fired the imagination and for these purposes, a group of Electronic and Sound enthusiasm of laymen and merchandisers more than the Scientists announce the BIRTH OF A NEW INDUSTRY! possibility of a foolproof method of instantaneous wireless It is founded upon proven principles as distinct and exact intercommunication. But, unfortunately, many concerns in their science and application as those in any industry in an endeavor to capitalize this enthusiasm and need, serving the specialized requirements of modern business began the manufacture of systems which failed to meet Radiofone Corporation has been organized for permanent either the engineering requirements or those of modern existence. It is a manufacturing and merchandising enter- business. prise dedicated to the principle of manufacturing wireless devices to meet the specialized requirements of Inter- of Intercommunication systems fell into the category communication and to merchandising these products thru "unproven merchandise," yet the need for a practical, accepted, ethical channels. foolproof wireless intercommunication method continued

to exist. The opportunities in this New Industry, as visualized in the minds of our Founders, are practically limitless. The From the beginning Intercommunication has been a genius of scientists from Europe and America has been "step child," a by- product of MANUFACTURERS who pooled to make possible at last, the finest wireless Inter- have made them merely to increase their volume without communicating systems yet developed ... systems which consideration of the special characteristics and requirements have attained such engineering perfection that they may of the art. Such practices brought Intercommunication be classed as "PACKAGE MERCHANDISE." systems into disrepute. In this complex, modern age where time and speed are But today, after a long period of exhaustive research and always of the essence, the social and industrial applications experiments and the expenditure of thousands of dollars of wireless intercommunication in homes, schools, hospitals, factories, offices, etc., make the use of Radiofone wireless communication systems indispensable.

Inquiries are invited from responsible merchants who are willing to cast off the yoke of skepticism and are ready to grasp the opportunities for profit in this New Industry. Your request for additional detailed information will receive our prompt attention.

View of part of the Rodiophone Corp. Loboratory where thousands of dollars worth of modern equipment is available to check oll components and every step in the monufocture of Rodiofones to assure perfection in the finished product. Here Electronic Scien- tists ore constantly evolving new principles and methods to advonce the art.

December. 1937 5 A NEW INDUSTR IS BORN ! "u ." Read the Amazin, Story of This Group of Scientists Wh, Crossed the Last Frontier of Wireles Communication ..

in years NOTHING has fired the imagination and for these purposes, a group of Electronic and Sound enthusiasm of laymen and merchandisers more than the Scientists announce the BIRTH OF A NEW INDUSTRY! possibility of a foolproof method of instantaneous wireless It is lounded upon proven principles But, unfortunately, as distinct and exact intercommunication. many concerns in their RADIOFONE CORP. manufac- science and application as those in any industry in an endeavor to capitalize this enthusiasm and need, serving tures wireless intercommunica- the specialized requirements ol modern business began the manufacture of systems which failed to meet tion systems to meet every require- Radiofone Corporation has been organized for permanent either the engineering requirements or those of modern existence. ment. They are designed for It is a manulacturing and merchandising enter- business. operation on straight AC. The prise dedicated to the principle of manufacturing wireless selective, wireless, AC devices to meet the specialized multiple, Intercommunication systems fell into the category of requirements ol Inter- Radiofone is the ONLY system communication and to merchandising these products "unproven merchandise," yet the need for a practical, thru market. accepted, ethical channels. of its kind now on the foolproof wireless intercommunication method continued It operates merely by plugging to exist. The opportunities each station into an AC outlet. in this New Industry, as visualized in the From the minds of our Founders, are practically It consists of 1 Master station beginning Intercommunication has been a limitless. The genius ol scientists (model MM -O) and 5 remote "step child," a by-product of MANUFACTURERS who from Europe and America has been pooled to make possible stations (models MM -1, MM -2, have made them merely to increase their volume without at last, the finest wireless Inter- communicating systems yet developed etc.) for use on 110 -120 v. AC, consideration of the special characteristics and requirements ... systems which have attained such engineering 50 -60 cycle power lines. The of the art. Such practices brought Intercommunication perlection that they may be classed as "PACKAGE MERCHANDISE." Master can communicate with re- systems into disrepute. mote stations at will, selectively, But today, after a long period of exhaustive research and In this complex, modern age where time and speed are while remote stations can commu- experiments and the expenditure of thousands of dollars always of the essence, the social and industrial applications nicate with the Master station. of wireless intercommunication in homes, schools, hospitals, All units are equipped with automatic loud speaker cut -off circuits or phases existing in any building. Radiofonts factories, offices, etc., make the use ol Radiofone wireless separate control operating on straight DC or other specialized wirelesscom earphones for private conversations. A communication systems indispensable. munication systems for operation on 25 cycle current or serves as a silencer when not in use so that line noises on 220 -240 volts will be supplied where required. A cannot be heard. Radiofones are so constructed that they Inquiries are invited Irom responsible merchants who are 2- station wireless AC Radiofone system is also avalsble will communicate from room to room, floor to floor, and willing to cast off the yoke of skepticism and are ready to wherein each station is a Master unit. building to building in the same general plant. grasp the opportunities for profit in this New Industry. Signalling, alarm and remote control systems all utilising Your request for additional detailed information will Absolutely no bridging or condensers are needed for the carrier frequencies developed to meet individual rnd receive our prompt attention. operation of Radiofones regardless as to the number of industrial needs.

View of port of the Rodiophone Corp. Loborotary where thausonds of dallors worth of modern equip- RADIOFONE CORPORATION ment is available to check oll components and every step in the manufocture of Rodiofones to ossure per- 136 WEST 22nd STREET Coble Address fection in the finished product. Here Electronic Scion- lists ore constantly evolving new principles and NEW YORK, N. Y. FONERADIO, NEW YORK methods to odvance the ort.

December, 4 Radio Todnp 1937 5 NO SQUAT NO STOOP NO SQUINT

NYWHERE ... everywhere first thing radio buyers want to

. . . you hear that Philco see is the Philco that banishes selling slogan! "No Squat ... No squatting, stooping and squinting. Stoop ... No Squint" has become And that's the radio they are in- as much a part of American sisting on seeing, hearing and life as "Stop ... Look ... and buying! Listen !" Christmas is almost here ... the That's why there's no stopping last minute rush is getting under Philco's onward march. That's way! And once more, that buying why all America is demanding a momentum is headed toward

radio that is 1938 in design as Philco . . . leader of the radio well as in date! That's why the industry for eight years in a row!

PHILCO RADIO & TELEVISION CORPORATION

6 Radio Today UL_ .. 1 %í 1.1.1 1 GC18 362198

Staff- ORESTES H. CALDWELL DARRELL BARTEE Editor J. E. NEARS, JR. M. H. NEWTON M. CLEAtENTS / B. V. SPINETTA Publisher .v/// VINTON K. ULRICH Copyright 1937 RADIO Caldwel4Clements, Inc. 480 Lexington Ave. New York. N. Y. Tcl. Plaza 3.1340

LEE ROBINSON Sales Manager TODAY Vol. III, No. 12

SETS THIRD QUARTER STILL UP; turcrs National Trade Show elected .luring the third quarter showed a at the recent annual meeting in Chi- slight falling off, compared with unit EXPECT 1937 TOTAL 7,800,000 cago are: S. N. Shure, President; prices for the preceding quarters. * According to information re- A. A. Berard, Vice- President, and Tube sales by quarters follow: ceived by receiver licensees, radio -set Arthur Moss, Secretary -Treasurer. 1936 Tubes Value The Board of Directors, elected at Jan.-March 18.475,077 $ 6,066,462 production and sales for the third April -June 19.971,773 6,595,378 quarter of 1937 was 2,604.000 the annual meeting of Member -Ex- July -Sept. 28,965,512 9,434,460 units, Oct. -Dec. 30,891,846 9,846,100 an increase of 274,000 sets above the hibitors during the Trade Show last salue period last year. June, consists of Arthur A. Berard Total 98,304,205 $31,942,400 1937 For the first nine months of 1937, of Ward- Leonard Electric Company, Jan.-March 92,393,997 $ 7,170,900 Arthur Moss of Solar Manufacturing April -June 24,389,213 8,125,684 receiver production approximated 6, July -Sept. 26,994,000 8,672,000 000,000 units- three- quarters of a mil- Company, H. E. Osmun of Centralab lion sets ahead of the corresponding and S. N. Shure of Shure Brothers. WORK ON TRADE -IN 1936 period, representing an increase of about 14 per cent. TUBE SALES DROP, ALLOWANCES Fourth -quarter factory sales are expected to fall considerably behind THO 9 MO. OF '37, * Radio dealers in the Metropoli- 1936 figures, reports from some plants tan New York arca have annexed 9.4% AHEAD OF '36 leader- indicating a recession of 35 per cent themselves a kind of national or more in October and November. * Twenty -seven million radio ship in the matter of radio trade -in to If the fourth quarter for 1937 runs 35 tubes were sold during the third quar- allowances. Sincerely anxious give per cent behind the figure for the ter (July -September) of 1937. a de- the Fair Trade laws a real meaning. settle this huge fourth quarter of 1936 (2,932, - crease of about 7 per cent below the they have taken steps to of en- S90 sets). 1937 may close with a total sales for the corresponding period of most troublesome aspect actual 12-months' sale of 7,800,000 sets. 1936. forcement. Unit prices of sets for the third During the first nine months of The center of the effort is the Elec- quarter showed a marked increase. 1937, tube sales totaled 73.777.000, an trical Appliance Dealers Association a organization amounting to a rise of S to 10 per increase of 9.4 per cent over the same of Brooklyn, powerful cent. period of 1936. which has undertaken to compile a Following is a summary of factory Average unit price of tubes sold "Blue Book" of old -radio values. The sales of radio receivers by quarters of 1936 and 1937:

1936 Sets 12 ist quarter 1 287.462 nd quarter 1,697,444 WHERE U.S. RADIO 3rd quarter 2 330,959 4th quarter 2,932,890 0 lo Total 8.248.755 EXPORTS WENT IN '37 1937 1st quarter 1,579,136 2nd quarter 1.769,499 e 3rd quarter ._ 22 ,604,000 o z4 CHICAGO PARTS TRADE 6 J oto 4 W 4 4 4 SHOW, JUNE 8 -11 1.1 2 J p < N ; ú 4 4 Z j o 4 W 4 W J J V W N z > f * The 1938 National Radio Parts Q W Trade Show, to be held at the 3 J < LL ? z F- W H W 2 2 g N Stevens Hotel, in Chicago. June S W ¢ ; 2 _ > ¢ > ,,. to 11, inclusive, will blossom forth 2 1kd 4 S 14. with more color and utility than any m W á W~ W r S> WzI.zOZFo i of its predecessors, according to an announcement from Ken Hathaway. o IIHhIIIIuIIIuuIIuII...---.- Managing Director of the Show. Officers of Radio Parts Manufac-

December, 1937 7 Commenting on the "Blue Book" action, Mr. Ingersoll told RADIO To- DAY that "it carries out the spirit and purpose of the Fair Trade Acts, and since we are considering all the legal technicalities, I believe that it can be made binding and enforceable, and that it will be accepted by all the wholesome interests in the trade." Since the Brooklyn movement has flagged the attention of many other U. S. dealer organizations, there has appeared the hope that all retailers concerned may be bound together in a National Association of Retail Radio and Appliance Dealers.

BUSINESS OVERHEADS,

14,9% TO 56.6% * The wide range in operating overheads involved in various lines of business, some of which handle radio, was commented on by Frank W S. W. Muldowny, chairman of Na- tional Union, with Senator Bob La John Erwood, of Webster- Chicago, Greusel, Milwaukee distributor, Follette of Wisconsin, on their recent genial apostle of modern sound. speaking before a group of radio and European tour. electrical dealers. The figures quoted Mr. Brooklyn dealers joined forces with by Greusel are shown below, and will leave New York with the dealer similar organizations from Manhat- should be compared with the average organization (and wives) of the tan, Bronx, Westchester overhead of 30 per cent for radio re- and Queens, Philco Radio & Television Corp. of and called in attorneys of distributors tail businesses, obtained by RADIO To- New York, headed for a 3-day con- and manufacturers. William H. DAY in its recent survey of selling vention at Atlantic City. Ingersoll, a top -rank national author- costs. (See RADIO TODAY, May, 1937). The return to radio cruises got a on ity fair trade practices, agreed to Department Stores 34.2% lively reaction from Pilot Radio Corp. take part. Mr. Ingersoll was organ- Exclusive Electrical Dealers 30.3% Automotive Parts Dealers 29.5% "We offer you an 11 -month cruise to izer of the American Fair Trade Retail Furniture Stores 32.0% each and every one of the 97 coun- League and, as president New Retail Hardware Stores 24.3% of the Retail Druggists 36.3% tries around the world. Keep your York Advertising Club. appointed the Automobile Garages 33.7 Automobile Agencies 13.9% store open only one month of the first Better Business Bureau. Active Country General Stores 14.9% year," chuckled Pilot, in a playful also in the work is Storage -Battery Service Stations the attorney, 34.4% spirit of reductio ad absurdum! Creighton Clarke. Lumber and Bldg. Material Dealers 21.6% Tire Stores 36.3% Retail Jewelry Stores 40.9% Farm Implement Dealers 16.4% Music and Piano Stores 40.0% Sporting Goods Stores 29.1% Electrical Contractors 40.0% Undertakers 56.6%

DOWN TO THE SEA * Radio has found it convenient to cruise again. The industry had just had a period during which the seagoing idea was temporarily checked out in the interests of "general pur- ity," but some persons in the trade just aren't home-bodies. When it decides to, radio charters a mean ship. General Electric radio division of New York and New Jersey has planned a 14-day cruise for 600 dealers and their wives early next year. The guests will make Miami. Havana, Dutch West Indies, Venezuela and Caracas. The frolic director for the RCA jobbers, Bruno -New York, has set Jan. 12 for the sailing date for 200 dealers who will "be millionaires for F. A. D. Andrea, radio pioneer, gets a fine welcome in the domestic market 9 days" at Miami Beach. Stancor's J. J. Kahn is in the midst of for Andrea Corp.'s Constant Fidelity. On Dec. 31, a special Philco train a big expansion at Chicago factory. t, Radio Today "It is an unfair trade practice for any member of the industry to give, pay or contract to pay, to any clerk or salesperson of any customer-dealer handling two or more competitive brands of radio merchandise, 'push money; 'spills' or any other bonus, gratuity or payment, as an inducement or encouragement to push or promote the sale of such member's product or products over competing products of other members of the industry."

FTC Text Evils covered in the re- submitted Feb. 9 rules relate to false statements concerning distance reception. fad- ing, static, interference, and non- broadcast reception, improper use of terms "All -Wave," "World -Wave," "World -Wide Wave," etc., standard Henry C. Bonfig, new vice -president broadcast, branding, sponsorship, imi- of RCA Mfg. Co., heading commercial Vance C. Woodcox, new vice- presi- activities in all of -marks. alteration of fields. tation trade dent RCA Mfg. Co., heading package - brand, and commercial bribery. 3Ir. goods merchandising. Skinner explained in detail the radio J. M. SKINNER PRESENTS RMA industry's objections to the use in the elusion of all the experimental bands, TRADE -PRACTICE RECOMMENDA- FTC draft, of the words "origin," which extend to the little -known fre- "manufacture" and "distribution,' qnencies at 100, 200, and 300 million TIONS AT FTC HEARING which appear in the opening FTC cycles, is equivalent to forbidding any statement as follows: use of the word All- Wave." * Appearing at the Dec. 7 Fed- Every radio legitimately sold today, "No complex merchandise is sold eral Trade Commission hearing, ab explained Mr. Skinner, carries a simply by listing statistics and speci- chairman of the RMA committee on trade -mark which to the public rep- fications. Radios are purchased, trade -practice rules, James M. Skin- ... resents the credit, good -will, and busi- like anything else, because the public ner of Philadelphia. explained the ness reputation of the trade -name expects to receive from them a ser- radio industry's objections to the owner. "As long as he assumes re- vice that may be described in form of the radio -trade rules recently terms sponsibility for the finished product familiar to the pnblic-terms that tendered by the FTC, and offered a be should be no obligation may or may not differ from revised draft of rules which under to locality represent. to locality." In radio, "certain he said. views nnanimously name the origin of his parts. It is re- adopted sults generally can by radio -industry members. believed that it would be extremely be obtained, but confusing and would convey uo use- the thing is not absolute and should "We are happy to enter into a ful information to the purchaser to not be treated as absolute. The word- trade -practice conference to reach a trace the genesis of goods back of the ing employed in the rules may forbid common nnderstauding as to accepted firm which assumes public .responsi- certain genuine injustices. But it merchandising practice," said Mr. bility for the unit product and puts may be interpreted as calling unjnst Skinner, ". . and to agree to such its name upon it." many fair and necessary practices." rules of conduct as are to the an- In resubmitting the RMA defini- E. F. McDonald, Jr., felt "origin" vantage of both the industry and pub- tions of short -wave bands, the RMA should be included in rules, to iden- lic." The differences between the spokesman declared: "To require in- tify merchandise. Commission-rewritten rules and the RMA version, explained Mr. Skinner "are mostly differences in verbiage and not in principle."

Dummy tubes; spifIs The new RMA version presented by Mr. Skinner at the Dec. 7 FTC hearing resubmits the RMA text of Feb. 9, 1937, plus two additional rules taken from the FTC text of Nov. 22, 1937, namely the rule against "Dum- my Tubes," and the rule against "Spills and Push -Money." Text of these rules follows: "Advertisements or representations stating, purporting or implying that any radio receiving set contains a certain number of tubes or is of a certain tube capacity when one or more of the tubes in such set are so- called 'ballast' tubes, or are dummy or fake tubes, or are tubes which perform no Webster Electric officials map more success -left to right, L. H. Mingins, New useful function." York rep., W. H. Johnson, engg. division, and H. G. Kobick, asst. to president.

December, 1937 9 NOW SELL "HAPPINESS "! Radio sets For every member of the family Trade -ins For the blind, the aged, and invalid poor

* AS 1937 closes, there are 26. In addition to the main living - It's trouble and bother -yes! But. 000,000 U.S. homes with radio sets. room set -the radio piece-de- resist- compared with the barbarian practice And in these homes are six million ance in every home -mother or the of smashing up old and workable extra sets- second and third sets- maid needs a radio in the kitchen. radios with an ax-or burning them making an average of 13/4 sets per Grandmother or grandfather want in public or private bonfires-there's home. personal sets to listen to speeches and no comparison. Add in the 5,000,000 auto radios - music. Young daughter needs her For old sets that are kept in use and the grand total of "radio listen- own "color" radio -at home or at still consume tubes and electricity, ing- posts" in the U.S., at the present college. Junior wants to go "short- and they still provide audiences for moment, becomes 37,000,000 sets! Or wave exploring." The youngsters the broadcasters. Though without nearly 1% sets per home. need a radio of their own in playroom purchasing power at present, their or nursery. owners may not always be penniless All want 'em In fact, it looks as if any active and helpless to buy in the future. So. Yet, even at this, we have only be- American family in comfortable cir- besides being good samaritanism, it gun to provide real radio listening cumstances can easily absorb three or may also be good business to inculcate convenience to the American family. four or five radio sets for bare listen- radio tastes in people who are at the For with the complexity of American ing comfort! moment unable to pay. living, and the variety of modern Here, then, is the still unsaturated broadcasting programs, it is no longer market for all the radio sets now in Repair, reinstall old set possible for any one radio set to serve jobbers' stockrooms and dealers' show- An interesting experiment in get- all the varied demands of its house- rooms. No radio stocks will overstay ting customers to keep their old sets hold. Symphony orchestras, jazz, the Christmas season and overhang has just been tried out in San Diego. speeches, dramatic sketches, comedy, the January market, if a real start Calif. educational talks, news commentators is made during December to supply The radio dealers there have been -all have their special adherents. the extra -set needs of millions of conducting a trade -in campaign in Extra channels, extra sets, must be American homes. Christmas money which, instead of cash allowances for provided, if all the eager listeners in is being spent right and left for other old sets, the offer was made to repair the family are to have what they want things. See that radio gets its share the customers' old set, put it in first - -when they want it! for additional sets, new sets, extra class shape, and reinstall it, thus giv- So let's call the roll for the average sets. ing the purchaser two operating U.S. home! radios for the price of one. The ill and the poor And not only in comfortable homes is there a place for more radios. It RADIOS is in the dwellings of the humble, the houses of the poor, the sick rooms of FOR RICE OF DH.E invalids, the lightless chambers of the blind, that radio sets are bitterly ¡'f needed. Here, indeed, they can work their greatest miracles of companionship and joy. Some communities are taking care

of this by buying up obsolete and 1x11000 001E a.E.3 SCE traded -in sets from dealers. The well- H CLRNOEEIE 11133 lar. . GREATEST OFFER to-do are called upon to make dona- E AcJl M.Cccd6 tions to local charity organizations, WITH EACH PURCHASE OF A HEW and these gifts are applied on the BIGGEST OFFER MI CONSOLE RADIO Hrl..,.1,1,. ,b.d,... WE WILL TNOR. purchase of sets for worthy indi- as THAT OLD RADIO OUGHLY RECOHDITIOM AND RECONDITIONED REINSTALI YOUR OLD RADIO FREE. viduals. unable to pay for a set of WITH EACH PURCHASE OF A NEW 193$ MEANS THAT... their own. CONSOLE RADIO (INN.., .Lipm.NS i,) H.. ..A.. r.As.n,lns.. - d ) ... WE WILL THOROUGHLY RE- CONDITION AND REINSTALL YOUR OLD RADIO FREE :n J.i A.,,,. n., Place for trade -ins .Av.. ..d.s,tes...,JsNr..risA You've been wanting perfect radio pedorm- A.wd'no you, M.o...., .nd Here is a use for traded -in sets. ce For long 6m-world-wide reception r.l.s .,, that ,. ONLY .1 that gem in on the original broadcasts of red ^`...ri..-= .L., n.,.. .n.H. Either get the customer to keep his hot new.; the pure, rich tone qualities and ad.*. A«;n y.. *IF haH -Ine is. tra old set and tuning that found only in these nMMN .úbl,J.,,la ...A himself donate it to a newest Instruments ... plus modem deign fAarN,Je ..dd..REr...nJ.4 worthy charity. Or the dealer can dis- that Al ht the type of furniture you. best te. r rr r . room afford,. uG pose of old sets he takes in by moving them into hands of people who the ANY R ADlO DEALER r ;, M. d...1. of oh.. -51FENINEESSEEM otherwise could have no radio. ..R..w...... hi.R i...d.9., limited .i-, I,. IO Radio Today of the quota set at the beginning of can afford convenient listening. Acrd, the year, Our quota was 12,000 on the suie, see that every deserving EVERYBODY! radios for this territory of some person -blind, ill, or too poor to pay 67,000 electric meters and, according -is fixed up with some sort of re- will bring him radio's MOTHER has a place for a bedroom to present indications. we will prob- ceiver that ably reach 13,000 sales this year," priceless companionship. set. e o FATHER's style suggests a new More radios for normal, happy EXTRA S320,000,000 console. American families -to help them SISTER at college likes to play better enjoy the great and varied pro- NOW BEING SPENT records. ou the air! More radios for grams * About 6.600,00u members of the invalid poor, the BIG BROTHER needs an auto set. the aged, the ill, the Christmas Club got their money from who need radio's blind, and all those the banks of the country around Dec, DAUGHTER in high school goes for companionship. 1. To the whole group of money - "color" radios. We have hundreds of places still savers went $320,000,000; they aver- sell in eommmnìty. For LITTLE FOLKS depend on nursery to radios every aged about $48.55 apiece. The cash look ut way you will, and you sets. at any was scattered over the nation by some find that we have more bathrooms plays around with all - 4,500 banking institutions. GRANDPA than we have radio sets in use. At wave listening. Radio dealers un all trade centers a minimum any household needs and will notice the appearance of the extra GRANDMOTHER needs a table can afford at least as many radios as funds; they are the basis of many model of her own. it has bathrooms, if a rough measure special promotions. Here are the ap- of the family's scale of comfort in THE MAID is happier wish a kitchen amounts to be released in living is desired, The one -bathroom proximate set. some leading cities bungalows perhaps can afford only THE WHOLE FAMILY would gather one radio -maybe more But the San k'ranciseo.. , .$0,S2ä,000 'round a combination houses with two, three, four, five bath- New York City... 5,725,000 rooms have places for two, three, four Philadelphia 4,575,000 and five radios. Brooklyn, N. Y 3,848,000 As explained in the accompanying So here's the recipe for happiness - Minneapolis 2,765,000 ads, under this plan and good business, too! Boston 2,300,000 Sell a modern radio for every mem- Washington, D. C., 1,165,000 "That Old Radio Re- Conditioned ber of the family in the homes that Cleveland 1,380,000 Means That .. . "The children can have ope of their very own; "Grandma can listen to her favorite program; "Mother can have it installed in her sewing room; "Dad can hook it up in his den or workshop or maybe r un a line out into the garden Saturday afternoons while the football games are on; "If you have already provided for the above needs, you can pass the old radio on to some worthy organization, friend or relative. "In fact -Two or more radios have become a necessity in almost every home with diversified tastes and so many marvelous programs on the air," Explains J. Clark Chamberlain, seeretary of the San Diego Bureau of Radio and Electrical Appliances, "Probably the greatest value experienced from this campaign eame from the thought we were able to get over -that an old radio has very little value. The fact that our dealers were willing to repair without eost the old models pretty well sold this point." Ile adds: "It may interest you to know that we are selling well ahead

See that every "forgotten listener" has some kind of a working radio set this Christmas,

(Photo by Steichen Studio, N. Y ) December, 1937 RADIO INDUSTRY AROUSED AT

Condensers in glass tubes were to have been offered next! Policing bodies take steps to stop resistor -tube racket

* DISCLOSURE by RADIO To- tions of "what constitutes a tube" called "tubes," or counted as tubes. DAY in its November issue that radio have been drawn up by engjDneering They are merely plug -in resistors and sets are being marketed with as many eommittees, to clarify the situation. should be so designated. Moreover, a as eight dummy tubes in a so-called And responsible newspapers, includ- single resistor can in most cases be "14- tube" receiver, has attracted wide ing some of those which in the past given the proper total ohmage so that interest in the radio industry and have been unwitting accessories to rarely is more than one resistor -tube trade. radio racketeering, have now insti- needed. Letters and telegrams have poured tuted strict rules to prevent such mis- in, expressing approval of the exposé, leading radio advertising again creep- "What's a tube ?" ordering copies and reprints for home- ing into their pages. The question of "what constitutes town distribution and enclosing evi- a tube" has been discussed thoroughly dence and reports of other trade evils Re resistors by engineers and radio leaders. Some and rackets. For it is now revealed Publication of the "dummy -tube" radio -set engineers are suggesting that such mischief has not been con- exposé has brought up the question that a tube be defined as a device fined to metropolitan centers, but has whether RADIO TODAY regards the use operating at less than atmospheric been widespread throughout the na- of ballast tubes and resistor tubes as pressure which depends upon elec- tion. Misuse of license references has a fraudulent practice and one neces- tronic or ionic conduction. Another also been freely indulged in. In fact, sarily condueive to customer decep- group feels that a more rigid defini- enough "RCA tubes" have been of- tion. Certainly sueh a position would tion should be used. First of all, the fered in some of the phony ads to be untenable. There are legitimate tube should be employed to control, double the dividends of the patent - uses for plug -in resistors, probably modify or change the form of energy owners. not more than one (or possibly two) supplied. In construction it should As a result of the diselosures, the to the receiver-to take the place of have two or more electrodes mounted trade and public have now been put other resistors of the strip and cord in an envelope which is partially or on their guard to accept no longer types. Underwriters' rules that wiring fully evacuated or contains a gas or mere tube numbers as an index of shall be kept below the chassis, corn- liquid under any degree of pressure. reeeiver value. Rules and regulations ',Heated by engineering considerations In the case of the "famous" 14 -tube have been drafted by the Federal of the heat to be dissipated. have set deseribed last month, Technical Trade Commission, Better Business made the plug -in resistor a most de- Editor Vinton K. Ulrich found that Bureaus, and other policing bodies. sirable aid to the radio -set designer. the glass -coverings of the resistor The RMA has given recognizance to But such plug -in resistors, whether tubes were not at all essential to the the evil and how to stop it. Defini- ae- .r metal enclosed, should not be operation of the set. With a hammer

ON e Every .1938 Feature-Regular '79 Value N at E eelar ! 12 TUBESAC/DC 1. t Vestureestn r e ' NCI VC . . W ITII ELECTRIC l'I`SII LIMON TUNING v . S1\ Iñ e lmeric:un & Foreign-Electric Tuning Eye 7 1 V8CS ti roN r a o.FleciriTvot F &Foren neicw ECiÁ1-! 1.2 1110w0- Mo

S CONSOLE RADIO r.u... n Mot p.

S1 CASH DELIVERS

Newspaper ads from North and South, New England and Middle West pour into the offices of "Radio Today."

12 Radio Today '.`DUMMY TUBE" DISCLOSURES

New tube definitions and receiving -set ratings proposed Radio leaders and trade congratulate Radio Today on exposé

he smashed some of the glass en- Didn't fool Uncle Sam star" or "five star" rating, like a velopes, and the set went on playing newspaper edition or a movie. These just as well as ever! In all this racketeering of resistor suggest that various factors of merit tubes it is interesting to note that be given definite values or percentages Condensers in glass bulbs Uncle Sam never lost his equilibrium so that these, added together, make nor his grasp of the situation! For, Fortunately, R. \DIO TODAY'S up the number of stars. But no one exposé while the Federal excise law clearly appeared just at a juncture in has yet answered who is to fix the the requires that all tube manufacturers radio industry when the racket of detail values of various gadgets and pay a tax on real tubes, the U. S. in- enclosing resistances in glass bulbs receiver features, nor who is going to spectors intelligently excepted the and calling them "tubes" was about test the sets and pay for rating them. makers of plug -in resistors- whether to be widely extended. One maker Wide discussion in the industry glass or metal enclosed-from paying had even added a tip cap on his and trade has resulted from the dis- a tube tax. Uncle Sam rightly de- dummy resistor tube, with a fake pig- closures of the dummy tube racket. cided these were not tubes, and waived tail to contribute to the "tube" decep- Some of the comments received by all taxes regularly collected on tubes. tion. The next step was to be that RADIO TODAY are extracted below: With the number of tubes discred- of enclosing condensers in glass en- ited as an index of receiver perform- We appreciate your cooperation and velopes, stenciling them with football ance, radio men have looked around will be glad to have further informa- signals and calling them tubes! tion and suggestions from you to aid to find some equivalent method of Transformers, coils and other radio us in our efforts to prevent unfair rating sets for the public's under- parts, all glass enclosed, might have trade practices in the radio industry- standing. Ewin L. Davis, Federal Trade Corn - followed next. mission,' Washington, D. C. While a few battery set manufacturers feel "Four- star" radios! If legitimate radio manufacturers that the true ballast tube and dealers care to avail themselves of should be included in the tube count, One group has suggested counting the facilities of the National and local RADIO TODAY has been urged by the the "cathode streams" in a receiver, Better Business Bureaus, we should be majority to campaign for their elim- pointing out this would be a real in- lad to assist in every way possible ination in correcting ally unfair and deceptive in the tube count. After all, dex of set performance and would advertising or selling practices. -Ed- a set using a ballast tube with a 3- automatically adjust itself for mul- ward L. Greene, General Manager, volt battery has only equal perform- tiple- purpose tubes. National Better Business Bureau, New ance with equivalent set using an air Others have proposed that the tube York. cell battery with no ballast tube. numbers be replaced with a "four- I am amazed that bootlegging radio

HELP "RADIO TODAY" EXPOSE AND END THESE RACKETS

Continuing its campaign to show up "Rackets that Are Ruining Radio," RADIO TODAY'S editors have collected astounding revelations on other evils that prey upon and injure the radio trade. Here are some of the subjects to be presented in corning issues of Radio Today:

Gyp Practices in Store Selling of Receiving Sets Servicing Rackets -Fake Repairs and Replacements Engineering Fakes -Circuits Aimed at Customer Deception Consumer Advertising that Misleads and Misrepresents Test -Instrument Rackets -The Lowdown on Tolerance Tests The " Learn - Radio - and - Earn - $150 -a- Week" Radio - School Racket The "Special Discount" Racket -for "Privileged Purchasers" Group Purchasing- Attempts to By -Pass the Jobber

From its staff of special correspondents located in all sections of the United States, RADIO TODAY has accu- mulated amazing disclosures of rackets that are being perpetrated against the good naine of radio. This information is being brought up to date as each installment appears. If you have evidence or tips on situations of this kind, which ought to be brought to light, send them in. RADIO TODAY will investigate such situations and include them in its searching studies of current evils that must be stamped out. Address Editor RADIO TODAY, 480 Lexington Ave., New York, N. Y.

December, 1937 13 racketeers are now using tubes as bal- ful, and with ethically described perform- More power to you. Give 'cm last. Surely agencies like RADIO TODAY ance. " -Dr. Alfred N. Goldsmith, New h -! -Tom Elliott, Deer Lodge, and RMA can induce the state or federal York, N. Y. Mont. authorities to close up such nefarious pro- You are certainly doing a grand job Keep up the good world-H. Hud- ceedings.-Lee de Forest, 5106 Wil- in showing up these evils of radio mer - son, Detroit, Mich. shire Blvd., Los Angeles, Cal. chandising. More power to you. -Roy Your article should be put in every You are certainly to be congratulated. S. Dursture, Batten, Barton, Durstine newspaper in the U.S.-Mack's Radio If we can cooperate in any way, please & Osborn, New York. Service, Aberdeen, Md. let me know -John H. Payne, chief, Our views are very much in accord We have such evils, too. I'm against Electrical Division, Department of Com- with yours, as the Better Business Bu- such business! - W. Paul Lessard, merce. Washington, D. C. reau has attempted on several occasions Biddeford, Me. to eliminate this practice. -Harold W. I'ni glad to see you take action.- Every available means should be em- Webber, Chicago Better Business George T. Wurm, Bridgeport, Conn. ployed to stamp out such practices and Bureau. I admire your stand in exposing this in this connection we are both willing and Possibly RMA, or a malicious misrepresentation. anxious to do our share.-E. K. Cohan, board established - L. E. Broadcasting New by RMA, would be willing to identify Latham, E. B. Latham & Co., New Columbia System, sets made by legitimate manufacturers - York. York. taking them out of the counterfeit or Your movement can be definitely I am afraid the only remedy for a situ- faked class. -John F. Rider, New followed up by the various associa- ation of this kind would be an indepen- York, N. Y. tions. - Leslie C. Rucker, president, dent laboratory rating for receivers, and Rush 700 reprints of article. -Crum- National Parts, Wholesalers Associa- the publicizing of the importance of look- packer Distributing Corp., Houston, tion, Washington, D. C. ing for a laboratory approval label on Texas. We want additional copies for our every set. -John V. L. Hogan, New Reprints splendid ammunition for legit- salesmen. -S. T. Randall, Inc., Middle- York, N. Y. imate dealers. - C. R. Rogers Co., town, N. Y. Each industry is under an obligation to Pittsburgh. Pa. You are doing radio another great the public occasionally to warn prospec- RADIO TOPAY goes with me on all ser- service. We are making photostatic tive purchasers as to incorrect business vice calls and visits to prospective pur- enlargements for our store windows.- practices on the part of an unreliable chasers.-J. E. Stuart, Agawam, Mass. H. L. Everett, Spear & Co., New York. minority. Advertising might emphasize Every legitimate radio dealer should The most constructive article in any to the public "honestly designed receivers, have a "blow -up" of your article -J. trade paper in a long time -J. French, all parts of which are necessary and use- K. Heimann, Minneapolis, Minn. Stamford, Conn. TELEVISION ENLISTS "HAMS" Amateur radio operators invited to aid in field tests

* AS November was coming to a is impossible for any one company to of us by leaps and bounds. close RCA startled the radio industry perform because of economic limita- "We might better imitate our Eng- by taking television out of its labora- tions. lish friends in commercializing our tory and offering it to the radio ama- Rather than entice the amateur own achievements, instead of so much teur as a new plaything. Show was with exaggerated claims, RCA ex- loose talk," states Mr. DuMont most jointly sponsored by RCA and the plains that the present lack of stand- emphatically. "Instead of promising American Radio Relay League. ardization means that obsolescence is and predicting and boasting, the Eng- First step was to demonstrate the very likely-that changes will be lish have gone ahead with regular tel- 441-line television to the several thou- needed as the art progresses. evision broadcasting which, in turn, sand amateurs in the New York area. has given rise to a very sizable tele- And for this showing at Radio City vision industry. I venture to say some 14 receivers, employing large Obsolescence feared that our overseas friends have learned cathode -ray tubes, were set up. Sig- Quoting RCA's bulletin, "RCA's more in six months of such practical nals originated at NBC's studios and field tests in N.Y. have been well pub- efforts than we can learn in six more were piped over coaxial cable to the licized. Other investigators are con- years of continued laboratory work Empire State transmitter a mile away ducting experimental transmissions behind more or less sealed doors." and sent back to audience by ultra- in several parts of the country. How- With RCA's invitation to the ama- high-frequency radio. ever, there may be a lack of stand- teurs to participate in the television To accommodate all those interested ardization between these transmis- development, here in America we in the demonstration it was necessary sions so that receivers suitable for one should have the advantages of field to run three showings for two nights. system may be unsuited for others. work without the disadvantage of giv- Reaction from the "hams" was favor- No regular program service is avail- ing the public an experimental tele- able and a few indicated a desire to able, since stations are frequently off vision set. Also there will be no build a receiver to receive the tele- the air redesigning and rebuilding demoralizing effect on the sale of reg- vision signals. their equipment. These constant ular broadcast sets such as is being Because of the leadership of the changes in transmitters during field noticed in London. amateur group in developing the use test work may make receivers de- To help the amateur in construct- of short wave and radio receiving and signed for receiving experimental ing and operating his equipment, transmitting equipment, it is only transmissions obsolete -or otherwise RCA and DuMont Labs will make the logical that the hams be called upon may require corresponding changes in essential television parts available and to aid in perfecting television, state receivers." the amateur magazine QST is cur- RCA engineers. Mass experimenta- While in Europe a few months ago, rently publishing articles on the tele- tion by the amateurs, it is believed, Allen B. DuMont of the DuMont vision receivers. National Union has will result in the development of new Labs observed that the Europeans television tubes and basic materials and better equipment-and it will were pioneering in commercialized ready for distribution as soon as pro- provide for field work on a scale that television and thereby pulling ahead grams are announced.

14 Radio Today A. G Lindsay -The Crosley A. Prosdocimi, for W. Spiegel, representing the L. L Mrnthorne. for Max L. Robinson- Janette Carrington Stone. Radio Corporation. Solar Mfg. Corp. Regal Amplifier Mfg. Co. Ken -Rad. and JFD Mfg Manufacturing Company. Monarch Mfg. Co

MEN WHO SELL ACROSS THE SEAS A group of leading radio export representatives -for products, see page 44

John Bradfield C. O. Brandes, for Ward H J. Scheel. for Majestic J. H. Robinson- Harry R Savage, for R Keiser. Inter- Aerovox Corp. Internat'l's Kadet;te.- Products Corporation. and Electro Acoustic. National Union Hirsh Manufacturing Co national Resistance. A. W. Williams.-

W C Braun, Jr , repre- U ¡cr nan,...- J M Rcgutta. radio N M Simons -Clarostat Cor- Jack Geartner, representing N A Triplett- R. W. Gifford, senting Radolek Co Parris-Dunna exporter, RCA. nish Wire, Pioneer Gen -E -Motor Arcturus Radio Tube Co Triplett Instr. for Norge.

R A. Rowlands. International General A Rocke, for Cinaud- Walter A Coogan, representing Joseph D. R Freed, representing L. M. Braun, for Whole. Electric Company agraph and Genl. Industries Hygradc Sylvania Tubes. Freed Manufacturing Co. sales Radio Service. IS YEARLY ANTENNA RENEWAL NEEDED?

Radio opinion divided on assertion that modern antennas are good For only 12 months' use

* In a public statement before a transmission line, there is a shunt replaced until perhaps four years, group of radio and electrical sales loss across the wires in the transmis- there will be even more cases of in- executives from all parts of the sion line which dissipates part of the ferior performance. United States, Robert Herr, Philco's energy picked up by the aerial. Even- "I believe that this can be compared service manager declared that modern tually, the insulation between the somewhat to the automobile industry's scientific antennas should be replaced wires will break down completely, recommendation that spark plugs be at least yearly because of deteriora- and there will be in effect only a sin- changed every ten thousand miles. tion. In his own words, "No matter gle wire between the radio set and Everyone knows that in many cases how good and durable an outside the flat top antenna on the roof. spark plugs are good for 100,000 miles aerial may be, it will deteriorate at "It is a known fact that even the but if they are replaced more fre- the point where the twisted wires are finest materials used in the best quently the owner is sure that their attached to the flat top and this very aerial systems on the market have a performance will be uniformly good." decidedly affects reception." limited life in terms of the amount Amplification of this statement by of signal delivered to the radio. The "No need"- Tobe Philco's Henry T. Paiste, Jr. is as dealers and servicemen will be serving "So far as replacement of aerials is follows: "The radio trade has ac- their customers' best interests," con- concerned," states Tobe C. Deutsch- knowledged the importance of the cludes Philco's Mr. Paiste, "if they man, "it would seem. that there aerial as part of a radio broadcast replace aerials that have been in use is no need for yearly replacement. receiving system. Radio dealers have for a year." Thousands of our antenna systems found that the excellent performance have been in use for many with- of modern sets is directly affected by Zenith disagrees years out replacement, and we do not feel the signal picked up and delivered G. E. Gustafson, Zenith's chief that we should recommend yearly re- by the radio chassis to the aerial. engineer writes, "I have just checked placement. Of course , the location in with our service department Replace your antennas and they which the aerial is used, the care with old do not agree that the comments you which it is installed, the initial qual- "Dealers will be performing a real had obtained on the replacement of ity of its components, and many other service to their customers if they sell antennas yearly is entirely correct. factors will affect the service it ren- a new aerial to replace aerials more Some difficulty is experienced with ders. Consequently, it is impossible than a year old, and can demonstrate breakage of down leads, but they find to lay down an absolute rule in re- the improvement, because the cus- that in a good many instances this is gard to antenna replacement." tomer will hear stations which he due to improper installation. We have otherwise cannot receive. marketed antenna systems for several Taco ok's plan "A 50% loss of efficiency in the years and experience has us shown Iu reference to the life of an aerial aerial," states Mr. Paiste, "means a that a good grade of insulated rubber and the replacement feature in the 50% loss of performance in the radio down lead will also last much longer receiver. All features of the radio are than aerial business, T. Lundahl of Techni- the year's time which had been Appliance affected. The tone, the number of indicated cal Corp. believes, "That to you. with an ordinary antenna -straight stations received, success or failure "I might mention also our that wire using a single wire leadin-the of shortwave, and the successful installation men find in installing a corrosion deterioration of the ma operation of automatic frequency doublet antenna and -' that the antenna that terials used and the possibility of control are all in proportion to the had been used previously had been in- broken insulators make it advisable signal delivered by the aerial system. stalled very poorly and was perhaps to give the aerial a thorough test at five or even ten years old, and conse- least once a year, or still better twice Insulation breaks down quently in very poor shape. a year. As soon as the wires show "I am wondering if "Naturally noise elimination is this in itself signs of corrosion, it is advisable to isn't quite an very greatly affected by the changes important point." replace them to obtain maximum in the aerial after a year's service. for Emerson signal strength the set. The insulator between the aerial cites disintegration "With the introduction of noise - proper and its supports, the transmis- Emerson's chief engineer, Dorman reducing antenna systems, the devel- sion line carrying the signal to the Israel comments, "Of course, if an opments in this relatively young art receiver, and the lightning arrestor antenna is replaced every year the are progresssing at a very rapid pace. are the 3 major sources of loss after listener is quite sure that he is get- Due to improved designs, aerials be- it has been exposed for 12 months. ting uniformly top performance. On come obsolete within a year or two, "The breakdown of insulation has the other hand, if an antenna is not and in our opinion it is advisable, a direct effect upon noise reduction," replaced until after the second year solely on the basis of obsolescence, to explains Mr. Paiste, "because the there will be some instances where change the aerial once a year even if transmission line must insulate the performance will suffer due to natural the aerial may show no sign of deteri- two leads in order to accomplish noise wear and tear of a mechanical and oration. elimination. When moisture pene- chemical nature on the antenna parts. "The possibility that the aerial or trates the impregnation of an aerial In a similar way if an antenna is not the transmission line has become dam- 16 Radio Today aged during the year, especially dur- of junction of the down lead in the "Chemical change or corrosion ing the winter months, is very great, doublet type of antenna. The next causes soldered and other connections resulting in the gradual lowering of weak spot is the insulation on the to develop high resistance joints in signal strength and noticeable in- twisted pair down lead where this is the system, and the continuous sway- crease in background noises. Loss of used. Certain types of insulation are ing in the wind soon develops weak efficiency is not very noticeable since badly affected by weathering and parts in the supporting members. it usually takes place gradually. The cheap wire of this type needs to be re- These, together with aging of mate- listener will very rarely notice the placed about once a year. If the rials, are sufficient reasons why an- slight decrease in the quality when twisted pair flown lead has good qual- tenna systems should be replaced such a decrease occurs over a period ity rubber with a weatherproof braid within the two to three year period, of time, with the result that the aerial over it, it should last three or four if efficient radio reception is to be may hardly be functioning at all but years and give effective service if maintained." the listener has become resigned to yearly inspections are made." the fact that the quality of his re- Erla doubtful ceiver is not what it used to be. The receiver may not be to blame. Often "A bit frequent" -RCA "While it would be an excellent the set can be given its former good "It is our feeling," states W. J. thing if the aerial system was at performance by replacing the noise - Zaun of RCA's Installation and Ser- least examined yearly," states L. E. reducing aerial vice Division, "that yearly replace- Priscal, service manager for Electri- "It is our opinion that the progress ment of antennas is a bit too fre- cal Research Labs., "I doubt very in the antenna field makes it advis- quent, and our experience both in much whether any kind of an educa- able for any discriminating listener to favorable climate, as well as in ex- tional program would arouse enough replace his antenna every year, re- tremes of climate, has been very good interest in the minds of the users to gardless of the fact that it may ap- in this respect. Where a good grade get them to have their antenna sys- pear satisfactory at a casual inspec- of rubber insulation is used and a tems looked over yearly, much less to tion." secure method of anchorage is em- have them replaced yearly. ployed trouble should not develop "An aggressive campaign by the CBS not sure over a period of several years due to manufacturers, the magazines, the "Undoubtedly, there is much merit deterioration or mechanical wear." newspapers and service men might in yearly antenna replacement," instill enough interest in the radio states E. K. Cohan, CBS director of Belden says "2 or 3 years" set user so that he would have his engineering. "On the other hand, I aerial system inspected yearly. I cer- am afraid that, if the statement that "With reference to the subject of tainly hope so, as it would undoubt- radio aerials should be replaced yearly antenna replacements, it is thought edly eliminate some of the complaints is taken too literally, the average in- that they should be made every two we get from users of our radios on dividual will find himself in the same or three years, depending on the loca- noise and lack of foreign reception. mental state, with respect to aerials, tion of these antenna," states Alfred These complaints are remarkably few, as the motorist who has become con- Crossley, consulting engineer for Bel- and I suppose this is also true with vinced that unless the oil is changed den. "In crowded city districts where other radio manufacturers. It seems smoke the every 500 miles the car will go to and various other chemical ef- if user of the radio does have a pieces. fects are met with, it is only natural lot of noise or doesn't get the foreign "I am not sure I can go all the way to assume that the replacement will reception the salesman promised him, in the belief that radio aerials should be made sooner than that in the sub- he sort of lives with the results he where he is be replaced yearly, but there is no urban districts the atmosphere gets, because at least partially doubt whatsoever in my mind that is normally clear. satisfied with the reception. the majority of aerials existing today in urban areas could and should be replaced with antenna systems that will permit the modern radio set to deliver its full value to the owner." New antenna with new set -NBC "The question of time of replacement of an antenna depends, as might be expected, upon the antenna," comments O. B. Hanson, NBC's chief engineer. "In a straight antenna with unsoldered joints, replacement each year would be desirable. With all antenna joints well soldered, inspection every year should be sufficient to extend the useful life of the antenna to three or four years. In general, any antenna should be replaced with a new one every time a new receiver is purchased. "With reference to the noise reduc- Hickson's of Rochester sell all -wave antennas to 75 per cent of their customers. This attractive display shows various antenna parts. Inadvertently contributing ing type of antenna, mechanical weak- to the discussion on this page, item No. 6 on the card in the foreground says that ness sometimes develops at the point the S -C antenna "stays in the air year after year without maintenance expense." December, 1937 17 ANOTHER HOLIDAY FOR SOUND

Opportunities during the Christmas period for PA sales and service

is SOUND -NEW TOOL OF BUSINESS Present -day sound equipment compact, dependable, perfected. Un- * The sound industry is following SOUND INSTALLATIONS like radio, where constant changes eery closely the trends and histories must be made to catch the public eye, of numerous other American indus- IN THE NEWS sound equipment will not become out- trial developments. moded or obsolete in use. Prices seem It will be remembered that in the CHRISTMAS dinners, concerts and entirely unlikely to go below the pres- early days of motor cars, the automo- celebrations staged by schools, ent low levels. bile was high priced, expensive to churches, clubs, etc. Sound systems give many years of operate, not too dependable, and al- WINTER SPORTS centers, handling unfailing service, and the result is the most exclusively a rich man's hobby outdoor crowds at the season's peak. trend toward the widespread use of or plaything. sound equipment in industry and Similarly, the first public -address NIGHT CLUBS, fixing mid -winter merchandising. Factory executives in installations were complicated and schedules for orchestras and enter- increased numbers are now beginning costly affairs, hand assembled, requir- tainers. to appreciate that a sound system in ing the services of one or more skilled an industrial plant saves time when technicians, and suitable, therefore, SKATING exhibitions, where vast used as a paging system; builds em- only to great sports arenas or conven- indoor crowds hear music and ployee morale when used for leisure tion halls, where the size of the crowd announcements. time activities; and speeds up pro- and the area made it wiser to install BASKETBALL courts where training duction when recorded music is re- sound than to deprive the audience of produced for workers. hearing altogether. starts in connection with schools, churches, or Christian Associations. Advertising aid Dependable STORES recently attracted by new automatic service systems, which Advertising agencies and store During the past two years sound are cognizance include sound equioment. managements taking equipment has begun to emerge very of the profit possibilities of sound definitely from its limited status as an STREET BROADCASTS, developed equipment. The radio has made it occasional or luxury device associated as a popular novelty by local apparent for some time that people mainly with places of amusement. stations. respond to audible advertising. Al- Leading manufacturers have taken ready the leading motor car manufac- every opportunity to simplify and per- GOVERNMENT PROJECTSIbeing turers with their fleets of sound - fect their product and to lower prices. dedicated or formally opened in the equipped cars have demonstrated the They have devised "packaged sound presence of outdoor throngs. profit in advertising through sound systems " -powerful, completely self - broadcasting. Now sound equipment contained portable units, capable of is receiving widespread attention as reproducing speech and music with the most effective medium for point excellent fidelity-yet so simply de- many major technical changes, there- of sale merchandising. signed as to be actually easier fore, to the to in- are be expected in near For example, a housewife shopping stall and operate than a radio set. future beyond the constant endeavor in a busy market or self -service food In addition to reproducing of to per- the industry's leaders improve store cannot possibly act on visual ap- fectly, the new sound systems are the physical appearance of their peals alone. She cannot recall all wholly dependable in operation. Not product. details of a newspaper advertisement, perhaps read hours before. She will not take time to read all details of cards, window displays, and posters. l, 111 fil A sound system gives the manage- 9 ment the instantly available medium r- RED .l. . with which to point out special values and offers, to direct store traffic dur- HUESTER' ing busy shopping hours. REPUBLICAN CANDIDATEFOR In short, "sound" is the new tool of modern business. MAYOR * Illustrated and described in a new catalog is the new line of permanent magnet speakers made by Cinaudagraph Corp., Stamford, Conn. In this booklet No. 937 is the "inside story" of the speakers using the mag- netic steel alloy, "Niperang," along with frequency response curves and Sound specialist J. F. Campbell of Scranton, Pa., operated this outfit for a solid tables. Copies available from Stam- 6 weeks and collected $20 per day. The truck covered a total of 3,500 miles. ford. and perhaps more important is the fact that candidate Huester was elected Mayor! (Continued on page 43) 18 Radio Today SELL tea' AIR CONDITIONING FOR MONEY

Some dealer in your community is going MODEL 33A.WS. (Portable). Circulates 200 cubic feet to make big money selling KOOLROOM of conditioned air per minute. Capacity - air conditioners to a 4.000 B.T.U. per hour. Equal to melting heretofore untouched 600 lbs. ice per day. 1, 11.P. Motor. market. For as low as $175, he will offer a full sized unit of unequalled beauty that not only delivers greater cooling performance. MODEL 33 -W. Circulates 225 cubic feet of conditioned is priced at air per minute. Capacity- -4,500 B.T.U. per but least $150 under competition! hour. Equal to melting 660 lbs. ice per His sales will probably exceed those of all day. 1/2, H.P. Motor. his competitive dealers combined. And that's only half the story. KOOLROOM dealers are getting the biggest discounts being offered MODEL 50 -W. Circulates 329 cubic feet of conditioned air per minute. Capacity-6,925 B.T.U. per in the air conditioning field today. Maybe hour. Equal to melting 1,100 lbs. ice per YOU are the man we want! If we give you day. 1/2 H.P. Motor. the most profitable franchise in air conditioning history, will you it turn into dollars MODEL 100 -W. Circulates 450 cubic feet of condi- for yourself? Can you beat all competition tioned air per minute. Capacity - 14,400 if you have a unit that surpasses them all - B.T.U. per hour. Equal to melting 2,400 for price, performance, beauty? lbs. ice per day. One H.P. Motor.

Tear out this section of ad, clip it to your MODEL 150 -W. Circulates 600 cubic feet of condi- letterhead and mail it TODAY! Get all the tioned air per minute. Capacity - 19,000 facts on KOOLROOM - the most valuable B.T.U. per hour. Equal to melting 3,100 dealership in air conditioning! lbs. ice per day. 11/2 H.P. Motor. Advertised prices are based f.o.b. factory an d are subject to change mahout notice.

KOOLROOM . DIVISION OF INDIAN PRODUCTS CORP., 2338 S. INDIANA AVE, CABLE "TRAILCO ", CHICAGO, U. S. A.

PPus PQurFh.ec,P. 9t C04S - De$ium.LCQI Les -VerLtLCate s CQeans CL,`>_cuQates

December, 1937 19 NEW THINGS FROM THE MANUFACTURERS

Bogen 18 -watt amplifier Another unit is the Coutinental -West- Precision resistors inghouse light plant. These plants aie available in 32 and 110 volt models with capacities as high as 1,500 and 2,000 watts, respectively. Continental Motors Corp., 12801 East Jefferson St., Detroit, Mich. -RADIO TODAY.

Electronic Lab. Vibrapak * Pie-wound precision resistors with non -inductive windings -minimum distributed capacitance. Wound * 4- channel type amplifier with 18 on non - hygroscopic ceramic core-vac- watts output. Gain of 128 DB. Range uum impregnated. Available in 1 from 30- 12,000 cycles. Beam power out- watt ratings -resistance accurate to put tubes -electronic tone control. Uni- within 1 per cent. Riteohm type 81. versal type input. Two sockets for Ohmite Mfg. Co., 4835 W. Flournoy St., speakers. Model CX-18 -list $100. Chicago, III. -RADIO TODAY. David Bogen Co., 663 Broadway, New York, N. Y. -RADIO TODAY. Hirsh Duosocket * Model 31 for operation on 6 volts DC and has a variable output Radiofone intercommunicator ranging from 250 volts at 50 mills to 325 volts at 125 mills DC. Outputs are completely filtered. Other features are that the tap switch for varying the voltage is always at ground potential, eliminating possibilities of high voltage short circuits. And 8-contact converter type vibrator. Vibra- tor will carry as high as 75 watts on a 6 volt circuit and 125 watts on a 12 volt circuit. Model 51 same as 31, but has 12 volt output. Electronic Laboratories, Inc.,. 122 West New York St., Indianapolis, Ind. -RADIO TODAY. * New "Duosocket" makes it possible for one to use any electrical * System operates by plugging Radio club chair appliance at the same time as the each station AC light in the bathroom outlet. Device into an outlet. Con- consists of a socket screws into sists of 1 master station and 5 re- that mote stations. For use on AC power regular outlet and accommodates a lines. All units equipped with auto- light as well as having an auxiliary matic loud speaker cut- off -ear- cord attached with fixture at the end phones for private conversations. for any appliance that may be used Separate control serves as a silencer in the bathroom, such as electric when not in use so that line noises razor, curling iron. etc. Hirsh Mfg. cannot be heard. No bridging or Co., Box 804, 130 West 3rd St., Okla- condensers needed for operation re- homa City, Okla. -RADIO TODAY -see gardless as to the number of circuits also advt. p. 62. or phases. Models for DC operation also available. Radiofone Corp., 136 Unified sound systems West 22nd St., New York, N. Y.- RADIO TODAY -see also advt. p. 4 & 5.

Tiny Tim battery chargers * "Lazy man's chair" has radio and telephone compartment on right - hand arm. Left-hand side accommodates a small cocktail bar. Upper sides ' of arms fold back to make compartments for sundries accessible. Chair has tilting back and reading light installed atop the back. General Prod- uct, 1801 Fannin St., Houston, Tex. - RADIo TODAY -see also advt. p. 46.

G -E police receivers * Ultra- high-frequency sets for use in police cars and stations. Tune from 30 to 42 megacycles. Superhet circuit * Features of Unified Sound Sys- with superregenerative second detec- tems are automatic volume expansion * Four models cover all 6, 12 and tor. Fidelity characteristic designed and automatic volume control. Indi- 32 volt requirements from 150 to for maximum speech intelligibility. vidual bass and treble controls per- 300 watts. List prices range from Car receivers use dynamotor power mit tonal increase to compensate for $45 to $70. Features are push -but- supply fully filtered. Duplex operation acoustical deficiencies and to gain ton starting, controlled voltage gen- with 4 per cent frequency separation. wide variety of musical effects. Am- erator and automatic shut -off. Out- Type SH -1B. General Electric Co., 1 plifier also has "glodial." Transformer fit includes special farm light battery, River Rd., Schenectady, N. Y.-RADIO Corporation of America, 69 Wooster wiring kit and the battery charger. TODAY. St., New York, N. Y.-RADIO TODAY. 20 Radio Today ARDS OF

RAYTHEON makes tubes for the maj:e y of licensed set manufacturers in the United State or that reason,

RAYTHEON tubes not only meet the e = ting standards of more Chief Engineers than any other -b they must perform in more diversified circuits than any other be! Your RAYTHEON jobber gives you hese same standard tubes in sealed cartons for exact replace l nt in any receiver! Order RAYTHEON for greater permaient tube profits.

r >I 4r' 1,1j1 1.two: I I

445 Lake Shore Chive, Chltao, III. 420 Lslnaton Ave.. New York, N. Y. SS Chapel Street. Newton, Mass. SSS Howard St.. San Francisco, Cal. 415 Peachtree St., N. E., Atlanta, Ga. WORLD'S LARGEST EXCLUSIVE RADIO TUBE MANUFACTURERS"

December, 1937 21 when unit is used to supply high volt- T.E.M. interphone age for radio or sound equipment. NEW THINGS Type "PS" for output up to 45 watts with 6 or 12 volts, "CS" outputs up Beat frequency generator to 250 watts continuous duty. Pio- neer Gen -E -Motor Corp., 458 West Superior St., Chicago, Ill. -Remo TODAY -see also advt. p. 53. Regal Tokfone

* Two -way amplified intercommuni- * Type 140 -A beat frequency gen- cating system. Master unit handles erator has frequency range of 20 up to 6 remote stations in standard cycles to 5 megacycles and voltage system. Larger units available. Easily range from 10 millivolts to 10 volts. installed using ordinary wire for con- Instrument is useful for the design * Two - way intercommunication nections. Designed especially for over- of video amplifiers for television re- system designed for professional and seas markets. Telemotor Corp., 260 ceivers and transmitters. Boonton home use. Tokfone Jr. supplied with Fifth Ave., New York, N. Y. -RADIO Radio Corp., Boonton, N. J. -RADIO one remote station and 50 feet of TODAY. TODAY. wire. Mounted in attractive cabinets. Other models are 142 -EA, handles Auto radio controls Calibrated variable resistance from 2 to 11 stations; model 510 handles up to 18 stations, and model 141, 2 to 11 stations. Regal Ampli- fier Mfg. Corp., 14 -16 West 17th St., New York. N. Y. -RADIO TODAY. -see also advt. p. 51. Dating and marking kit * Kit includes rubber stamps, inks, etc., for marking metal tubes, chassis, etc. Ink is supplied to pad. #2i Kit is in black leatherette finish box and contains ink, solvent, pad, dat- * 1938 line of escutcheons for new ing stamp, and brush attached to cap. autos. All ratios self- contained in dial * Resistance with circular dial for General Cement Mfg. Co., Rockford, mechanism, Adapts all radios -new or Ill. -RADIO TODAY. old -to the 1938 cars. Star Machine either bench use or panel mounting. Mfrs., Point and E. Bay variable in a range Inc., Hunts Continuously Ave., Bronx, N. Y.-RADIO TODAY -see from 0 to 1.0 meg. with a direct -read- Neutralizing condenser ing dial. Used as voltmeter multi- also advt. p. 5R. plier; resistance or volume control speaker analyzer for the measurement and Hushatone pillow determination of resistance values by * Crystal -operated radio set ac- either substitution or voltage meas- cessory. Used with midget radio re- urement method; wire wound rheo- ceivers or regular home radio. De- stat or potentiometer 0 to 30,000 vice is placed under a pillow on chair, ohms; composition potentiometer 0 bed, couch, etc. Can be used on sick- to 1 meg. International Resistance beds in the home or hospital. Brush Company, 401 N. Broad St., Phila- Development Co., 331 Perkins Ave., delphia, Pa. -RaDlo TODAY -see also Cleveland, Ohio -Remo TODAY. advt. p. 35. Push -button converter Pioneer dynamotors * Two-plate neutralizing condenser for use in transmitters. Aluminum round-edge plates polished over all surfaces. Mounted on pair of isolantite bars. Micrometer adjustment. Positive locking nut. Capacity range 2 to 10 mmfd with % to tog air gap. 3,000 volt rating at minimum spacing. Type N -10. Hammarlund Mfg. Co., 424 W. 33rd St., New York, N. Y. -RADIO TODAY. 60 -watt sound system * Coordinated amplifier system * Converter unit to make a push * Three new types of dynamotors with 60-90 watt output. Modernistic button set out of any receiver. Unit - -types "PS," "CS" and "TS." New amplifier case with chrome and red employs 2 tubes -selects 8 stations. end bracket and brush -holder design plastic trimmings. 124 DB gain and Connects between antenna and radio gives maximum accessibility to com- frequency response from 50 -1,000 cycles. set -no changes in set wiring. May mutator for cleaning and inspection. Variable volume range expansion and be used as remote control device. Avail- Large number of commutator bars re- automatic volume control. Velocity able in neat case or as adapter unit duces AC ripple to a minimum. The mike, 4 speakers with baffles, and ac- for console. Models 211 and 210 re- armature runs on grease sealed bear- cessories. Wholesale Radio Service Co., spectively. Howard Radio Co. 1731 ings which insure smooth, quiet 100 Sixth Ave., New York, N. Y.- Belmont Ave., Chicago, Ill.-RAD, IO To- operation. Filter is recommended RADIO TODAY-see also advt. p. 54. DAY. 22 Radio Today We pause to thank our customers for the splendid support they have given us during 1937... Heartiest wishes for a very merry Christmas ... and a prosperous New Year

HYGRADE SYLVANIA CORPORATION

December, 1937 23 RCA television tubes Condensers with * Two cathode -ray tubes suitable universal mountings NEW THINGS for television. Both tubes are of the electromagnetic - deflection type and Headphone volume control employ viewing screens on which the picture appears clearly, with a yellow- ish hue. They are RCA -1800 and RCA- 1801, the former being a nine -inch tube and the latter a flve -inch tube. They carry suggested list prices of $60.00 and $40.00, respectively. These tubes are for experimental use and not for home use. RCA Mfg. Co., Front & Cooper Sts., Camden, N. J. -RADIO TODAY. Universal phono -radio * "L" pad type attenuator for use combination in headset cord. Extremely light weight. Maintains constant impedance on amplifier. Designed for multiple * Line of high-voltage oil -filled ca- headset installations-gives separate pacitors with universal mounting control of volume. 21fi inches long - brackets. Hermetically sealed in non- weighs slightly over 1 ounce. Phon- corrosive containers. Type TJ -U. ohm available in all conventional Cornell -Dubilier Electric Corp., S. values of impedance. Centralab. 900 E. Plainfield, N. J. -RADio TODAY -See Keefe Ave., Milwaukee, Wis.-RADIO also advt. p. 57. TODAY -see also advt. p. 43. Stewart auto controls Record player

* 8 -tube AC-DC portable automatic phonograph radio combination. Op- erates on 110 -220-240 volts. Fuse pro- tects instrument from damage. Changer handles 8 10 -inch records automatic - ally -12 -inch records manually. Avail- able in fabricoid and leather cases. * Auto radio panel control consist- Marconiphone model D10E. Marconi - ing of 3 independent mechanisms to phone, Inc., 679 Madison Ave., New provide for maximum flexibility. Cen- York, N. Y.-RADio TODAY -see also ter unit consists of dial and lighting advt. p. 27. arrangement, on right hand side the * Electric record playing mech- tuning device is located and volume Sectional record cabinet anism for use with any set. Employs control on left. May be placed in any crystal pick-up and 12 -inch turntable. position on panel. Control will fit ma- Walnut cabinet with lid. Stromberg- jority of 1937 -8 cars without necessity Carlson Telephone Mfg. Co., 100 Carl- of plates. F. W. Stewart Mfg. Corp., son Rd., Rochester, N. Y. -RADIO 340 W. Huron St., Chicago, I11. -RADIO TODAY. TODAY. Vibrator transformers Arvin 1938 auto controls * Transformers designed to operate Complete line of -fit con- * tailor from 6-volt battery and vibrator. For trols for the 1938 cars. Adapt 1937 portable and farm type equipment. auto radio models for use in the new Type 465 -271 delivers 245 volts DC at cars. Controls to fit all makes of cars 40 ma. Type 465 -281 delivers 295 volts -1938 models -list $7.25. Noblitt- DC at 45 ma. or 270 volts at 67 ma. Sparks Industries, Columbus, Ind. - Jefferson Electric Co., Bellwood, RADIO TODAY. RADIO TODAY. Emerson receiver Operadlo amplifier

* Record cabinet that can be ex- panded to meet needs of owner. Basic unit composed of base and top section -list $30. Middle sections available at $17.50 each. Each section will handle 20 albums. Width 27 inches- depth 17. RCA Mfg. Co., Cooper St., Camden, N. J. -RADIO TODAY. * AC -DC superhet with 6 tubes including ballast. Beam power output- Supreme frequency modulator * 35-52 power amplifier using beam 6% -inch dynamic speaker. Tone con- * Frequency modulator to convert power tubes. 3 input channels with trol- automatic volume control. Syr- any type of oscillator for visual align- electronic mixing. Non -resonant equal- ocowood cabinet in Chippendale carved ment with cathode ray oscilloscope. In- izer balances tone at both high and effect design. Model AM -187 -list serted between signal generator and low frequencies. Variable output im- $34.95. Emerson Radio & Phonograph radio set. Model 529. Supreme Instru- pedances. Fours stages using 8 tubes. Corp., 111 Eighth Ave., New York, ments Corp., Greenwood, Miss.-RADIO Model 835. Operadio Mfg. Co., St N. Y.-RADio TODAY. TODAY. Charles, Ill.-RADIO TODAY. 24 Radio Today Sad Tubes that Ref "I shall when I say had in my am sincere bava ever totubes I and clearer best .ore distinct are the isI Ken- - Reception recommendend radio. before,, recommend than ever I know. "' to everyone Ken -Rads );;:;r--A.:://K/4f 77atcal Frank Sim St., Ill. to everyone Jacksonville, I know"

"word of mouth" advertising for your business when you sell dependable Ken -Rad Radio Tubes. Then you make extra sales ... and extra profits. Advanced engineering and precision manufacture give Ken -Rad Tubes unexcelled performance. You have the good will of your tube customers when you handle Ken -Rad Tubes.

SELL KEN -RAD ELECTRIC LIGHT BULBS Ken -Rad Electric Light Bulbs share the good reputation of Ken -Rad Tubes. Here is an excellent profit item. KEN- R ali

Manufacturers of a complete line of Tuves Standard Glass Types Genuine Radio and Alt -Metal Radio Tubes.

KEN -RAD TUBE & LAMP CORPORATION, Owensboro, Kentucky Makers of Ken -Rad Radio Tubes and Ken -Rad Electric Light Bulbs

December, 1937 with a gain of 90 db, and are fed Lincoln table receiver from the pre -amplifiers on the projectors. The input and output im- NEW THINGS pedance is 500 ohms. Tubes used are two 6C6, one 42, two 6A3 and one Microdyne phono pick -up 523. Amplifiers are connected to the changeover panel in such a way that either one or both may be used at a time, providing double panel and emergency operation. Herman A. DeVry, Inc., Chicago, Ill. -RADIo To- DAY.

Adjust-a -volt transformer * 6 -tube AC all -wave set with 3- band tuning. Cathode ray tuning indicator. Dynamic speaker -full- vision vernier dial. Total of 52 models available for all voltages and currents. -5 * Magneto- inductive relay - fre- to 16 tubes. Console models available quency pick -up. Available with straight with natural angle tuning panel, Lin- or offset arm. Handles records up to coln Radio & Television Corp., 833 W. 12- inches. Model RF -1 -list $40. Au- Jackson Blvd., Chicago, Ill. -RADIO To- dak Co., 500 Fifth Ave., New York, N. DAY. Y. -RADIO TODAY. Precision tube tester Dual channel amplifier * Instrument makes individual tests of triode, pentode, diode and rectifier plate sections; D'Arsonval * Variable voltage transformer moving coil meter with an accuracy giving continuously variable voltages of 2 per cent; also English reading from 0 to 140 in 4/10 volt steps. Out- "good" and "bad" meter. Tests all put current of 5 amperes. Calibrated tubes released to date, with provi- dial plate. Black metal case. Net sions for any that may be released in $10.80. Standard Electrical Products the future. Precision Apparatus Co., 317 Sibley St., St. Paul, Minn. - Corp., 821 E. New York Ave., Brook- RADIO TODAY. lyn, N. Y.-RADIO TODAY -see also advt. p. 60. Solarex xmitting condensers 3 midget condensers * Dual channel 32 -watt amplifier -gang incorporating 3- position electronic mix- * Rotor and stator plates are of er with individual controls. Output brass and securely soldered to their level indicator, tone control. Frequency respective shafts. Mounted on ceramic response plus or minus 2 DB from 30 bases, 1% wide by 51/a inches long. to 10,000 cycles. Multi- tapped output Units are supplied in 20 and 35 transformer. Net less tubes $37.50. mmfd. capacity with plate spacings Amplitone Products Co., 135 Liberty of .06 inch. Other sizes are 100 and St., New York, N. Y.-RADIO TODAY.

Set fester * Line of high -voltage capacitors designed especially for amateur radio use. Eleven ratings from 1 mike 1,000 volts to 2 mikes 3,000 volts. Oil impregnated -black metal containers- porcelain stand -off insulators. Solar Mfg. Corp., 599 Broadway, New York, N. Y. -RADIO TODAY -see also advt. 140 mmfd. capacity per section and p. 63. plate spacing of .023 inch. All are three gang units. Bud Radio, Inc., 5205 Cedar Ave., Cleveland, Ohio - Wincharger with RADIO TODAY. pressure control tube tester * Air- driven generator for charging Elgin batteries. Generator and propeller so mounted that excess wind pressure automatically turns the unit so that the * AC -DC voltmeter, ohmmeter, and propeller slips. Slipping of propeller capacity meter for radio set testing. automatically governs rate of charge - Measures 0/10/50/250 volts at infinite maximum efficiency at low velocities- impedance. AC and DC volts at 1,000 slippage at high velocities. Maintains ohms per volt in 5 ranges. 0 /500 DC constant rate of charge. Model '38. microamps. 3 -range milliameter. 5- Wincharger Corp., Sioux City, Iowa - range ohmmeter reading up to 10 megs. RADIO TODAY-see also advt. p. 45. 5 -range capacity meter. Self- contained power supply. Model 4800S. Hickok Electrical Instrument Corp., Dupont Dynamic desk mike Ave., Cleveland, Ohio -RADIo TODAY. * Communications type microphone with dynamic unit. 33 ohm impedance * Emission type tube checker giv- DeVry theater amplifier -frequency response follows governing individual tests of triode, pentode, ment regulations for airport land sta- diode and plate rectifier sections. * Public address system mounted tion use. Mike plugs into stand Moving coil type meter with 2 per on a rack holding two 15 watt am- easily replaced. Chrome plated stand.- cent accuracy. Has condenser short plifiers, two exciter lamp rectifiers, Universal Microphone Co., Inglewood, test. Model 900 -net $15.95. Try -Mo and a changeover switch panel. The Calif. - RADIO TODAY - see also advt. Radio Co., Inc., 85 Cortlandt St., New amplifiers have a flat frequency range p. 59. York, N. Y. 26 Radio Today WATCHING Vocalion 71106- Bernie Cummings WORTH and his orchestra. WAX* BENNY GOODMAN quaitet playing Vieni Vieni RECORD DEPT. and Handful of Keys- Victor 25705. "I Owe You" DORSEY BROTHERS orchestra playing Annie's Vocalion 3704 -Henry "Red" Allen Cousin Fannie and Judy - Brunswick 6938. FRANCES LANGFORD singing If It's the Last and his orchestra. PICTURE OF THE MONTH Thing I Do and Everything You Said Came True with orchestra under direction of Phil Obman-Decca 1464. "All Over Nothing at All" * Soon to be showing at theaters SHEP FIELDS and bis Rippling Rhythm orchestra Decca 1339-Ella Fitzgerald to Her playing Nice Work If You Can Get It and Foggy Day all over the country is the new Re- in London from the RKO film "Damsel in Distress," Savoy Eight. public film, "Manhattan Merry-Go- with vocal by Bob Codas - Bluebird B7195. Vocalion 3671 -Tempo King and BENNY GOODMAN and his orchestra playing I've Round." It contains a series of new Hitched My Wagon to a Star and Let That Be a his Kings of Tempo. tunes which should sell well at record Lesson to You, from the First National film, "Holly- wood Hotel," meal by Martha Tilton-Victor 25708. counters for those dealers who plan BING CROSBY singing When You Dream About their promotions at the time the show Hawaii and Sali Along Silvery Moon with Tani Mc- RECORD TO RELIEVE PAIN Intire and his Hawaiians -Decca 1518. is most widely. enjoyed OZZIE NELSON and his orchestra playing Once in which plays a While with vocal by Harriet Hillard and Queen * A special platter, Here are four songs from the pic- Isabella- Bluebird B7256. over and over again and is designed ture, listed with available recordings: TOMMY DORSEY and his orchestra playing Down With Love and Moanin' in the Mornin', from the to relieve persons suffering from "Have You Even Been In Heaven." musical comedy "Hooray For What," vocal by Edythe headaches or toothaches, is being used Wright- Victor 25692. Bluebird B7183 -Willie Farmer FRANK FROEBA and his orchestra playing My in Vienna, Austria, and is described and orchestra. Swiss Hilly Billy from the 20th Century -Fox film by D'r. E. E. Free of New York City. "Thin Ice" with vocal by Al Rinker Trio and Tears Brunswick 7962 -Joe Rines and in My Heart with vocal by Bill Darnell-Decca 1500. This record has a "hypnotic" effect orchestra. JEAN SABLON, singing Le Doux Caboulot and Si and is supposed to talk people out of Mon Coeur Pouvait Te Dire, with orchestra under Decca 1476 -Ben Pollack and his direction of Norman Cloutier- Victor 25655. their pains by the suggestion method. orchestra. The sufferer lies down, starts the rec- Victor 25677 -Bunny Berigan and ord, and listens intently to the orchestra. Brunswick 7962 -Joe Rines and his monotonous musical tones which are Vocalion 3704 -Henry "Red" Allen orchestra. heard first. Then the record begins and orchestra. Decca 1476 -Ben Pollack and his to talk about drowsiness and sleep, Vocalion 71106 -Bernie Cummings orchestra. and finally suggests that the pain has and his orchestra. Variety 3671 -Cab Calloway and disappeared. After all this has been "Mama I Wanna Make Rhythm" orchestra. repeated several times, the easily Bluebird B 7183-Willie Farm e r Victor 25677-Bunny Berigan and persuaded persons will imagine that and orchestra. orchestra. they are OK.

MARCONIPHONE THE GccLaímed LEADER

a yaui sfatfdes the 1e(- with a NEW PORTABLE AUTOMATIC EXTRA -PROFIT OPPORTUNITY RADIO COMBINATION -PHONOGRAPH Take Advantage of Every Radio-Phono Combina- The MARCONIPHONE D -10 tion Sale! Recommend and Sell the World's Finest -an instrument of incomparable tone and Long -Life Phono Needle Repeat Needle unequalled performance. Mellowness and -Build fidelity never before approached In a port- Business with able instrument. Changes eight 10 -inch or seven 12.inch records automatically. Has 10 -tube AC -DC receiver for broadcast and short wave bands. Remarkable sensitivity and selectivity. Dual tone controls, bass compensation, full- vision dial, high fidelity 8. Inch speaker, crystal pick -up and in- built antenna. For European use. D -10 is equipped with a voltage switch for 111)- 220-240 volts. AC -DC. Unique Protective fuse circuit prevents damage from short circuit or excessive voltage.

Model D -8--8 tubes, 8 -inch speaker, changes eight 10 -inch records; 12 -inch manually; for long and short wave, available in fabrikoid or various leathers. Shipments to all parts of the world.

MARCONIPHONE, Inc.,679 Madison Ave., NEW YORK

December, 1937 27 ELECTRIC TUNING SYSTEMS

Simplified explanation of how the Wells- Gardner mechanism works

* CONTINUING the detailed de- scriptions of electric tuning systems, SETTING DISC SSEMSLV R.wlo TODAY this month in the fourth BRANS SHOE of a series explains the mechanism MARE DRUM used by Wells- Gardner. Besides be- SWITCH PLUNGER SWITCH PLUNGER

1 ing found in Wells- Gardner and SLIDING PAWL Arcadia sets, this mechanism is used LIOINO in a number of sets manufactured by NOTCH PAWL Wells-Gardner for other distributors and sold under their exclusive trade LSWITEH 'PANEL PLUNGER SWITCH LEVER OFF names. SWITCH LEVER ON The W -G electric tuner is of the LEVER -SWITCH mechanical type in that but a single PLUNGER STOP I LEVER TUNING switch is used to control the opera- SPRING BUTTON BUTTON DEPRESSED STATION SELECTED tion of the motor -station selection MANUAL POSITION SWITCH ON STOP LEVER IN NOTCH being handled by mechanical arrange- ments instead of electrical contacts. Figs. 1, 2, 3, showing how, station selecting mechanism works. Set up from front The accompanying pictures of the tuner show both front and rear views tion of the locking plate is to release mitted through the gear train to the and the various parts are labeled. At any depressed buttons when the elec- condenser shaft. the top the 8 selector units and setting tric-manual lever is turned to man- The main drive cable is securely discs are visible. Below them in ual-the buttons are locked so they fastened to a pulley on gear No. 4 about the center of the front view cannot be depressed during manual and drives the setting discs in the the 8 shafts for the push buttons are tuning. top portion of the mechanism. Vari- located. Just above each push button The silencer spring assembly also ous idler pullers are used to keep it is a smaller button which is employed on the front is operated by the thrust tight and in position. Since the posi- when setting up the mechanism. Set- on the motor shaft and silences the tions of the setting discs determine up is accomplished from the front of set while selecting a station. the position of the condensers for va- the set. The motor and train of gears are rious stations, this drive cable is kept The locking plate is shown at the located on the rear of the tuning tight and without backlash. A turn- front. Its purpose is to hold the tun- unit. The gears are used to reduce buckle is provided to permit adjust- ing button (8 for 8 stations) after the speed of the motor. The motor ing the tension. it has been depressed and releasing drives gear No. 1. Gear No. 5 drives Reversing of the motor at either ex- any other buttons previously de- the tuning condenser gang. tremity of the condenser is accom- pressed. Also it shifts the electric - At the lower part of the view the plished by a pin on gear No. 4, which manual lever, when the setting but- clutch plate and drive belt are shown operates the reversing switch lever. ton is depressed, to engage the clutch. -these come into operation for man- The motor is controlled by an on- It does this by moving the interlock- ual tuning. The belt connects the off switch operated by the switch ing lever which, in turn, shifts the manual knob through the clutch to lever shown just below the setting clutch release lever. The third func- gear No. 2. This power is then trans- dises on the rear view.

I[TTINS S[TTIRI DISC PPUVASHIG "llih' 1111

MOTOR OMOPP SWITCH SWITCH LEVER SWITCH SETTING .0CRIN0 LEVER PLUNGER PLATE - SPRING j GEAR NOS PUSH SUTTON ,SHAFTS a TUNING PLUNGER TUNING PLUNGER GEAR NO.1 SPRING RETAINER WASNER REVERSING SWITCH MOTOR f MOUNTING GEAR NO.5 INTER - LOCKING SCREWS LEVER DRIVE AR - /pCER lIP PULLEV f. IDLER J T GEAR NO !` ELECTRIC SPRING - DRIVE MOTOR ASSEMBLY GLUM. TIINING -I. PANEL CLUTCH PLATE DRIVE R[L[AS[ S EFF+J ftNOG BELT BEARING \\// Rear (left) and front (right) views of the Wells- Gardner pushbutton mechanism. Functions of various parts described on these pages. The gear train and drive belts are located at rear. Locking plate and buttons on front. 28 Radio Today In Figs. 1, 2, 3 the operation of the path of feedback circuits. The the station selecting mechanism is feedback is obtained by taking the shown. Only the parts essential for BRAKE SHOE output voltage of the 6F6G push -pull operation are shown. Fig. 1 shows BRAKE ORUM output amplifiers and feeding into the the position of the selector parts dur- grid circuit of the push -pull 6J50 ing manual tuning -the 8 selector AUXILIARY drivers. Note the 70,000 ohm resistor units are identical in operation and LEVER and .1 mike condensers in the feed- have identical positions during man- back circuit, which are used to obtain ual tuning. proper phase relationships. DRUM 4. SETTING When the push button is depressed RELEASE á BUTTON (Fig. 2) the stop lever is lifted up LEVER -ROCKER so that it is next to the brake shoe - ARM STO P POOR SWITCH CONTACT and at the same time the switch lever CAUSES RADIO NOISE raises and operates the switch plunger BEFORE SETTING which, in turn, closes the motor STOP LEVER IN NOTCH * Of recent we've heard a few switch. servicemen state that some of the new indirect lighting type of lamps will Uni -directional selection produce an intense racket in the radio The motor then starts turning the after the lamp has been operating a entire setting disc assembly (brake short time. in drum and shoe, etc.) in the direction Seems that the switches used the ROCKER ARM lamps are rated at 2 or 3 amps, and the motor was last turning. Note the RELEASING the high pawl in the notch on the setting disc. BRAKE DRUM upon heating due to currents STOP drawn by bulbs, the switch contacts This pawl is used so that the stop SETTING lever will enter the notch only when BUTTON open slightly, causing an arc. ROCKER Remedy is to replace the switch turning in a clockwise direction. If ARM STOP the direction of rotation is such that with a heavy duty unit designed to 6 amps. the stop lever rides over the pawl, it SETTING BUTTON handle about does not drop into the notch. Just DEPRESSED before the tuning condenser reaches MORE STUDY NEEDED the end of its travel the pin on gear No. 4 trips the reversing switch lever Fig. 4 (top) and Fig. 5 showing op- * Everyone is talking about or eration of station set -up mechanism. and the motor changes its direction. recommending that servicemen have When the pawl reaches the stop this or that type of equipment to do lever, the latter will engage the tip work efficiently; lectures are TWO -STAGE FEEDBACK CIRCUIT their of the pawl which extends just be- given telling of the advantages of one yond the edge of the setting disc. * Larger Philco models this year type of testing unit over another and causing the pawl to slide, opening the use two stages of push -pull amplifica- how it will save time, but very little is notch. The stop lever falls into this tion with overall audio feedback. Cir- said about studying, learning funda- notch. cuit reproduced on this page shows mentals and their applications. With the stop lever in the notch, how a separate 6J5(ß is employed as Contact with many hundreds of the switch lever rises, releasing the a phase inverter and how the inverse servicemen shows that more thought switch plunger (Fig. 3). In this way feedback is accomplished. should be given to study. Many ex- the motor is killed. Feedback circuit is shown in extra cellent books have been written ex- Station set -up of the mechanism heavy lines and arrow -heads indicate plaining radio and there are a number takes place after the stop lever is in the notch. Fig. 4 shows the position of the essential parts just before de- pressing the setting button. (Note that the parts involved in station selecting have been omitted.) If the stop lever is not in the notch, the 6F6G rocker arm stop will interlock with 6J5G the selecting parts and make it impossible to press the setting button. When the setting button is pressed i 524 (Fig. 5) the rocker arm stop drops 002 and allows the rocker arm to rise and IN//A lift the drum release lever. When the drum release lever is lifted, the cams which lock the brake drum to the brake shoe loosen and permit the 6J5G brake drum to turn. 2+o Since the brake drum is loose, it is possible to turn the condenser with 254 e 70 the manual control and tune in the iUM=I station. After the station is tuned BIAS BY BIAS e GRID RIAS SCREEN PLATE in manually, the setting button is re- VOLTAGE leased, thus locking the brake drum and shoe together. This procedure is repeated for the 8 setting discs. Circuit of the 2 -stage push -pull inverse feed -back used by Philco. December, 1937 29 YOU DON'T PAY s UNTIL Y4U,V SOLD THE- t ì p pY Ypv D OV,vE U dTDTNE TUBS Sp1..

we have to say it TWICE Q+0 before they really believe it!

THAT'S a fact. A lot of dealers say "H'mI Sounds too good. Where's the catch?" 6°00

There isn't any catch I If you meet Tung - Sol's requirements as a responsible dealer (and more than 8,000 dealers have), you don't pay one red cent for your Tung -Sol Tubes until you sell them and collect your profits. And mind you - the price is 4 NO HIGHER than you pay for any recognized brand. Consignment costs you nothing. Nationally advertised, reputable Tung -Sol STANCOR Tubes, placed in your charge without invest- ment - to be sold before you pay for them. It's as simple as that. Write today to learn THE Stancor Transformer Line is whether you can qualify for a Tung -Sol Con- designed for profit. It's com- signment franchise in your neighborhood. pact ... you can fill any need from a small inventory. The price is right and the policy is firm ... you always TUNG-SOL know where you're coming out. It's lrsur RadioatB-e conservatively rated and carefully on its TUNG -SOL LAMP WORKS, INC. built ... you can depend Dept. C Radio Tube Division quality. It has a promotion cam- SALES OFFICES: Atlanta, Boston, Charlotte, Chicago, Dallas, Detroit, Kansas City, Los Angeles, New York paign behind it that brings cus- General Office, Newark, N. J. tomers into your store. Get rid of your worries. BUY STANCOR. STicoR STANDARD TRANSFORMER CORPORATION 850 BLACKHAWK STREET CHICAGO

30 Radio Today Antenna wave -switch makes con- output stage by using a load resistor NOTES nections for doublet antenna on short in the screen lead of one of the 6K6G SERVICE wave band. Note iron-core antenna tubes. In Series 1 resistors are used of good radio schools conducting cor- coil for BC band. in the screens of both output tubes; respondence courses in advanced I.F. and R.F. section of set are of Series 1 also differs from Series 2 in radio - just what the serviceman usual design. Reactance dimmer type that a .0001 condenser is connected needs. of tuning indicator. Second section from the grid of the 2nd I.F. tube Knowing what one is doing is ex- of diode used in delayed AVC circuit. to the wave switch -shown in dotted tremely important in this fast-moving Fixed bias from the power supply is lines. radio art. All the test equipment in used with the 6L6 beam power out- Chassis layout shows the trimmer the world will not tell what's wrong put tube. loeations and proper frequencies. with a radio set unless one knows how Trimmer locations and frequencies to use And much more than a are shown on bottom view of the it. PHILCO 38 -4 & 38 -5 superficial knowledge is required to do chassis. Alignment procedure is a job quickly and efficiently so as to standard. * The 1938 Philco models 4 and show a profit. 5 have almost identical chassis. The A few minutes a day studying the CROSLEY 1117 38 -4 has a cone -centric automatic tun- basic radio principles, if not already * This year's Crosley 11 -tube ing system, while the 38 -5 has a understood, and the new developments chassis is a 2 -gang superhet tuning standard dial with 'a shadow tuning will repay the servicemen by saving 3 bands. Set designed for use with meter. (Circuit on page 34.) many hours in repairing sets. While a doublet antenna or ordinary type. Set tunes on BC band and short- it is essential to have adequate mod - Wavetraps are used on models shipped waves. Separate R.F. coils are used, ern servicing equipment, a thorough to locations where I.F. interference wired in series - shorting switch technical knowledge of radio is even may be prevalent. (Circuit on p. 34.) shunts BC coil for shortwave recep- more important. A two -stage I.F. amplifier is used. tion. A tuned R.F. amplifier is em- One stage of this I.F. uses resistance ployed on both bands. STEWART -WARNER R -183 CHASSIS coupling. Separate triodes connected Antenna coil is of low impedance * The R -183 chassis is employed as diodes are employed for detection type for use with Philco all -wave an- in receiver models 1831 to 1839. Set and AYO. tenna system. is a superhet with an R.F. stage Fixed bias is used on the 2nd I.F. The suppressor grid of the I.F. am- operating on all bands. Circuit shows amplifier, the 1st audio stage and to plifier is coupled back through a ter- receiver with wave switch in BC provide a delay on the AYO circuit. tiary winding in the first I.F. trans - position. Phase inversion is obtained in the (To'page 36)

STEWART -WARNER 1831 TO 1839 Chassis R -183

6H6 6K7 6L7 6K7 51 UMF OI 6F5 05 6L6

zoo

A 470M à 5OppF I/7 .05

FIL

22111 TUNING INDICATOR TIELO I2M

I F. 465 KC 6C5 012

47 M 5Y3G

FIL 0 30 = DI 51NVF

FRONT T

.00359

NOM RADIO TODAY, ERVES A REAL

e 1 _---- WE'RE PUSH AND PULL - ! AND DO OUR DOUBLE ' JOB EFFECTIVELY I'M THE OSCILLATOR - AND I WORK EVERY MINUTE

THERE'S NO OUNTERFEITING IN !C4 iãz

The RCA Victor name is your -and guarantee of honest quality -full retilli spent! And it's your protection for a sae I'M THE RECTIFIER - AND I KEEP There's only one way to stay in business profitably. And that's to give your customers the satisfaction of THINGS P RIGHT full return for their money. When you sell RCA Victor merchandise- that's precisely what you do. I Some radio sets are loaded with dummy tubes to fool you and your customers. When your customers á find they've been duped -you suffer. I Every tube in an RCA Victor radio serves a real E purpose. The 13 -tube chassis of RCA Victor Model E 813 -K shown here, is just one example. You can sell an RCA Victor confident you're selling quality mer- RCA presents the "Magic Key" every Sunday, 2 on NBC Blue Network

RCA RADIO IHAVE5BEEN OVER300 MILLION ITUBES I ° TR °

000 I IL EAKE I'M THE OSCILLATOR Z8E5 , CONTROL -I GIVE YOU TUNING WO 3 AUTOMATIC J I DRIVE! HOW toDebev 19 AND N DRIVER-I'M THE Isr AUDIO TUBE -AND I BOOST I'M THE 2ND IF -WORK VOLUME! ING HARD. THOUGH YOU CAN'T SEE ME I'M THE MAGIC EYE - I'M THE Isr I MAKE MANUAL DETECTOR -AND MY AFt TUNING EASY JOB'S A HARD ONE I'M THE Isr IF- ALWAYS

15t-Rk.' ON THE JOB .. .; t I'M THE 2ND DETECTOR I MAKE THE RADIO SIGNALS AUDIBLE our customer's - t for every dollar id future business I'M THE RF AMPLIFIER handise. Your customers will SAN EXPERT FOR orne back-satisfied! TOUGH Go "RCA All The Way" with JOBS '.CA Victor. Remember -RCA 'ictor is the buy -word for reli- bility- dependability. RCA 'ictor symbolizes high quality, ne performance, and the newest esigns- all at prices that mean tir profit to you -and honest slue to your customers.

3 P. M., E. S. T.,

RCA MANUFACTURING CO.. In Camden, New Jersey A Service of Radio Corporation of Americ

ERS...IN E WAYI

p st E\w\N I'M THE OSCILLATOR CONTROL -I GIVE YOU I'M THE AUDIO AUTOMATIC TUNING DRIVER- AND HOW OMMó ogEs I DRIVE! WE'RE PUSH AND PULL - ßPemb` AND DO OUR DOUBLE N JOB EFFECTIVELY I'M THE Ist AUDIO TUBE I'M THE OSCILLATOR - -AND I BOOST I'M THE VOLUME! 2ND IF -WORK AND I WORK EVERY ING HARD, THOUGH MINUTE YOU CAN'T SEE ME I'M THE MAGIC EYE- I'M THE Ur THERE'S NO 1 MAKE MANUAL DETECTOR -AND MY TUNING EASY JOB'S A HARD ONE I'M THE Br IF- COUNTERFEITING ALWAYS IN ON THE JOB I'M THE 2NoDETECTOR Ra 4 ?/ic rt I MAKE THE RADIO SIGNALS AUDIBLE

The RCA Victor name is your -and your customer's - guarantee of honest quality -full return for every dollar spent! And it's your protection for a sound future business I'M THE AMPLIFIER I'M THE RECTIFIER - RF cbandise. Your customers will AN EXPERT AND I KEEP There's only one way to stay in business profitably. FOR And that's to give your customers the satisfaction of come back-satisfied! THINGS RIGHT TOUGH JOBS full return for their money. When you sell RCAVictor Go "RCA All The Way" with merchandise -that's precisely what you do. RCA Victor. Remember -RCA Some radio sets are loaded with dummy tubes to Victor is the buy -word for reli- fool you and your customers. When your customers ability- dependability. RCA find they've been duped -you suffer. Victor symbolizes high quality, Every tube in an RCA Victor radio serves a real fine performance, and the newest designs purpose. The 13 -tube chassis of RCA Victor Model -all at prices that mean fair profit 813 -K shown here, is just one example. You can sell to you- and honest an RCA Victor confident you're selling quality mer- value to your customers. 210 P. RCA presents the "Magic Key" every Sunday, 3 M., E. S. T., on NBC Blue Network RCA MANUFACTURING CO., In Camden, New Jersey Sonia et Radio Comwellon el Rnwk

RCA RADIO TUBES HAVE BEEN BOUGHT BY RADIO USE WAYI ,V OVER 300 MILLION TUBES, AS IN RADIO SETS, IT PATS TO GO RCA CROSLEY MODEL 1117 Series 2

6A8G 6U76. '00016U7G 6C5G 6K5G 6K6G

0001

e e 3MEG 5 10OM 25

.0014 500 IF-

PHONO. PICKUP

6C5G 6( MEG

l I t e U` SEO IN SERIES 'I. ONLY LEG ENO PLATE VOLTAGE .004 IOM 250M )50M BIAS LINES - - AVC LINES - -- IMEG:

I.F=455 KC

PHONO PICKUP G A2 AI fe0 VOLTS ®ocll ® O 0 1 FIELO J o® 0 .I e000 ® ® o G I8 MC 15! 800 i 7,°X IB M OSC

TOP VIEN OF CHASSIS PHILCO MODELS 38 -4 & 38 -5 Code 121

o 03E0 6U7G 6A8G 6 K7G .000116J5G 01 MOOEL59 4 6KSG 03 6F6G -1 ONLY OOi- 1 { .015 99M I ME0 L ...T SB e 1 I t

.01 ---1Ff 490M l 05 .05- 3 USE0 IN MODEL 38-4 ONLY oe= USED IN 330M,MEi. MOOEL 58-5 SIM 330M IMEG ONLY I M Z IMEG 6F6G L.-- -w o0s OM aim 0 I.F.470KC BLACK -RED

T 23823A23823A' TOP BOT FIE LO 660.11. 10M e= IeT 0M

5Y4G TIe 152 23 TO HEATERS B PILOT LAMPS

I -J TOP VIEW OF CHASSIS O RADIO TODAY IS AND

Initiative -Resourcefulness -Cooperation to advance the interests of the industry COIN Ro

INTERNATIONAL RESISTANCE COMPANY 401 NORTH BROAD STREET, PHILADELPHIA, PA. Factories or Licensees in Canada, England, France, Germany, Italy, Denmark and Australia

MAKERS OF RESISTANCE UNITS OF MORE TYPES, IN MORE SHAPES, FOR MORE APPLICATIONS THAN ANY OTHER MANUFACTURER IN THE WORLD

CABLE ADDRESS RESISTANCE December, 1937 35 cuit by automatic switches -I.F. sen- PROFIT IN REPLACING BELTS sitivity is also increased in push but- SERVICE NOTES ton operation. ON DIAL MECHANISMS Push button trimmer locations are shown in a separate diagram at bot- Since many of the home radio sets former to provide for more stable tom of chart. The frequency range use a woven fabric belt in the dial as operation of the high -gain stage. A of each trimmer is also given. a drive, the alert servicemen should triode tube is used as a double diode awake The I.F. amplifier is standard, em- be to this market. With use. -the grid for detection and the plate these belts stretch and slip, giving for AVC. ploying 2 stages-one of which is AVC poor tuning action. Chassis layout shows location of controlled. The second stage feeds the discriminator which has a J. Finkel, president of J. F. D. trimmers. Since a single trimmer three - winding transformer. Plate Mfg. Co., points out that "more than for both bands is used in the antenna half a million home radio sets now in and 1st detector stage, it is necessary winding of discriminator to transformer is winding use are equipped with woven fabric to follow a definite alignment 'pro- untuned. Second performs similar to primary usual belts. Every one of these belts, cedure. First the oscillator 18 meg- of 2 windings. sooner or later, must be replaced, and acycle trimmer 5C is adjusted. Then type having Both the control grid and sup- this replacement will be constantly the 1500 KC trimmers 16, 5B, 5A repeated." are aligned in the order given. The pressor of the R.F. stage are AVC To aid the serviceman in handling oscillator series padder 17 is adjusted controlled for better AVC action- this business J. F. D. is marketing at 580 RC. The 1500 KC trimmers prevents overloading due to strong are readjusted to compensate for signals. a display kit with an assortment of 300 belts cross -indexed for selec- changes during the padding. The set Tone switch varies frequency re- easy tion. is then properly aligned. sponse by introducing degenerative feedback in the two audio stages in addition to connecting a condenser Columbia model C -2 Intermittent GENERAL ELECTRIC F -96 across part of the volume control. frying * The model F -96 features instan- Chassis layout shows location of all * Faulty insulation between the A primaries and secondaries of the r-f taneous push button tuning. man- trimmers. I.F. and A.F.C. alignment coils is usually responsible. It is ual button on the touch tuning key- is handled in the usual manner. advised that for this trouble, all board serves to disconnect the trim- Alignment of the high frequency coils be carefully checked. Nat- mers and make the necessary circuit band is done first, followed by the urally a breakdown of this type would cause plate potential to leak changes for manual tuning. police and the BC band. This pro- into the circuit. Check for the In the push button position the cedure is necessary because of inter- slightest leakage, as well as for R.F. amplifier is cut out of the cir- locking trimmer action. shorts.

GENERAL ELECTRIC MODEL F -96

5I)NF 6K7 6K7

-000n 6F5 510M 005 ' 35I1pF

IpOM I

2.2 MEC

22MEG

504,F

PUSH BUTTON TRIMMER LOCATIONS 00075 I 4700 NNW 1240- 1600 NCl 620-66oKC 00 ON 1101 11NT. RADIO I.F. 465 KC TODAY,

990-1400 NC' 40-7504C TOP VIEW OF CHASSIS 710.1070 KC . U D,ur,6.ar 3peaP ryAoluol< Company APPLIANCES funisurE OUSEHOLD MASSACHUSETTS [OSTONNAáU Vl' vs,. S7. New York ENU E. ur.,L'.,nT w York, lnc. ßrunoaNe yrYlOLESALERS THE FRENCH RCA VICTOR . RAolo 1. Y . . STORE o CONK RACE- 5 { 11 Ex EXP05`NG -DEO G N D G sets Tad`°pD\O te(\e;t S Issue 01 ( e o\ coon o1e\o9ed a ot the DAL!, T E . ICQ R~N NOBlN PH 57REEI, has bought nánd MIOOIEi 11 C. Dlsc\osoNove¡n tpep`( a\\ bTa conEdto ( . OWN, NEW \(on` mend¡n9a\d`e\\, ra1[ SOte(s the H,N.

\_e^dostEY TéstesNDp,`( tdamenta\ iRD Y P.L OEL WESTERN ° oo 1t101V' \atln9D(ßpD\O [E.rSTUARSEE osln dsPutab\eu\t¡n9 REPAIR RADIO UNIO raaEaS vlP `Nee mete _._.. __.- _ ßvGE5I+, o(la\ seT\t o\ C.,nJ eade e S(no T.Ted A4n Cm MB HOUSTON TE% 2 74' acáePatncln H CALODELL,EDITOR HUGH H. EBY, tdence oeá Sln9eaeve(e \ INC. %INGTON AVE. ;n P bylshp(. Nik --pp...,,.a.,,,e.r áencpaP T aaade( annu [ tust S ARTECLEUCOUNTERFE D ROSEN SCO.EPAN1" w bnla9az ,n AS PHILCO It a\SV0\(Ime'oebee FACTORY MAIL Ne,Rvl'. has N 111VOICE m CRUMPACNER t151n9 DISTRIBUTING CORP GEORGE JNITED AMERICAN BOSCH C INOr1[LD...... SE H .., 1ct OrLTETIY C,prfiPAl Txr. EXPORT ^^ 8 A i STEEL ... _ ?1 a(c e 1A ESuB`N' .J4ERICA. N^'....(.,dR[Nr tlt s1SE 44P°'r STErAAT NÁEENCR RPUI ...M`M ORR yNT uT-uamvi..í. P..... -mm M. C.1doo C. S. A. :rEl Tiiciillj).1 APH RADIO AND PHONOGR $trbmblr':.CarbOa me 111 rYO DONEN AYINOE "CORPORATIOP Ae Mi0_`.... EPNORC'NOSELs ....! u,S CO1ppa¡E Neff YO[[ CFIUNSEL o000 Hor.[A..n.A.u CIF/ IÍJS' -' 1e+' 'o`,°';:PP`,; ,Wy,l° ...._ Rms._ ELECTRIC CORPORATION LE%IR.,. 1h'111L.M:R 440 t'.UIlXr:1.1;

R'YIUp9,5OPOP MP>T,ON iT.-..1,7,5 C - t11..uInr.l.n,.J. ."UL" LIME SEVEN HUNO THIS SPLENDID INTERNATIONAL L4A6 Rd o BELIEVE RADIO L,CMT on NAT T CORPORATION TM[KTGLANs DEALERS [000 A 1N awTN1.M,RI,,, \CN,cACO ING TO PA ID-J DE 6N% H - 9PgfP T PENN AVE PITTSNUI too.- 7 OATLOPO SATA ,.tirl,l:,. 11A7` Ap v E ORSH`5`N P 0t;_. `\,\``,À:II".T.tse NS ;\s thatt E 1O 1 st e pD Color. , 00NT.'Y1'. O "..'SH1'sGONO. P., H.LI'YAEItT lêsG to\\o"jed ._ Co JOHN Bureausess' \es(IO9 jaade ot 1`'e go pohclln9 ... FEDERALwCOMMlee,qy vo the T FedeEa\ s the ce pCa t RAD\O SocOSD`P ed E Pub\ISh ...... ER Bureau. missòt;s;r`9 cnEe9u\atad CHAMBER rtOEÓErM Better Business ne tlse(s Scranton ade e YÌssue tlánua 40,o Chicago \ed ..0. Better Business Bur ma the 4FpET III Wap W,.1 CO111[N,B,I c.... CoryuNlC+^°H[ ltx.AYa1.IVt:Ar. YPQBEJISEEBB F[O[RAL .r+rO` NEWSPAPER E'o.Yrlx Annucar ANEMIC to..ax

tI.I.tNIIIt II11i11e . \1,f1 1111. L[[ O[ FO.TlT .e,e [u DRI[s SALES STRENGTH IN NEWAPPLIANCES

Electrical merchandise has a call -to- action for radio dealers

spectfully ask that you reconsider this STOP "COURTESY DISCOUNTS," Cold storage chest Dairy basket move. Rhapsody -blue The retailer who performs a definite -in Moisture -seal LETTERS BEG INDUSTRIAL EXECS and necessary service in the commu- Silent meter -miser hydrators * Determined to stop "courtesy nity cannot exist in the face of your Kitchen- proved Thermo-sealed own competition. discounts" and "wholesale prices" on Econ -o-lite Zone control Give this merchant a chance to live Breaker strips radios and electrical appliances if to prosper and in turn to help Express tray ...... Cube possible, the Wisconsin Radio, Re- you ... for all business is inter -related. expeller Ejecto-cube frigeration and Appliance Association Surely . . . you will give this your Close -bar shelves personal attention. Triple thrift is sending out a series of six letters, Say - a-step Cordially yours, One- button addressed to 300 leading industrial Split shelf Wisconsin Radio Refrigeration & control executives of manufacturing plants in Lazilatch Appliance Association, -tray the Milwaukee area, asking their aid H. L. AsnwoarH, Speede -Cube Quick in stopping the practice of putting Executive Secretary Storadrawer Norgloss 125 E. Wells St., Electrosaver Hydrovoirs employees' Christmas purchases Milwaukee, Wis. through company purchasing depart- Bonderized Preservoir ment channels. Sample letter from Rubber -floated Low -temp the series, follows: TEST YOUR SKILL ON 1938 October 26, 1937 REFRIGERATOR SALES TERMS Dear Sir: WASHING IN FRONT OF after the Plant had * As the impressive new 1938 THE STORE shut down almost the entire business "boxes" hit the market, a whole series of the town was paralyzed." How often have you read such ac- of new sales words and phrases made * Most months of the year, Tes- counts in the papers. Loss of income their appearance. These terms are an loff & Wilson, appliance dealers, Fond in a plant means loss of income to important part of the salesman's du Lac, Wisconsin, keep a washer out all the hundreds of shop keepers in equipment as the season gets under in front of the store and operating so the neighborhood. way. who see the ac- I can hear you asking . . . "What that people pass can have I to do with that ?" From the refrigerator merchandise tion. Just this ... that when you permit of Fairbanks -Morse, General Electric, Usually there is a dish or bath or encourage your employees to buy Stewart -Warner, Frigidaire, Westing- towel in the water, and many a woman retail commodities (radio-refrigerators - house, Crosley, and Norge, the follow- she wash machines - tools - garden imple- stops to watch the washer. When ments, etc.) at wholesale through your ing terms have been collected. Can does a special salesman who sits in own buying facilities, you are creating you match the manufacturers with the the store watching the machine steps just such a condition in the neighbor- proper phrases? and begins talking to the woman. hood of your plant. out Perhaps you have been far -sighted Moonstone tray Ribbon shelves Often one or two washer sales a day enough to see the wisdom of refrain- Super freezer Airplane cold are made in this manner, according ing . in which case this organiza- Adjusto-shelves control to Joseph Tesloff. tion thanks you. Norbake dishes Humidrawer The salesman can usually begin In case, however, that you are fos- tering or permitting such buying ac- Double-easy Oven -proof talking to a watching housewife just tivities in your organization, we re- quickube pottery (Continued on page 40)

CROSLEY CONVENTION GUESTS SEE NEW SHELVADORS AND NEW PLANT at Richmond, Ind., Nov. 29 -30. At the left, the group includes, left to right, Chas. Sawyer, Pow el Crosley III, and J. P. Rogers, Crosley vice -presidents. In the center picture, Powel Crosley, Jr., seated4 in the foreground; Thomas M. Berger, general sales manager, standing. Fielding Rob- inson, New York distributor, is on the left, and Powel Crosley III, vice -president in charge of radio. is on the right. The gents in the picture at the right are Herb Hieb, Des Moines, Iowa, jobber, and C. J. Stevens, Crosley district manager. FAIRBANKS MORSE DEBUTS NEW REFRIGERATORS NOV. 15 -16 AT INDIANAPOLIS -at the table, upper left, the distributors left to right, Chas. Houghtaling, Albany, N. Y.; Al Edeson, Albany, N. Y.; Harry Glasser, New York City; Sam Roskin, Boston, Mass.; and George Birkhahn, Middletown, N. Y. In the center photo, W. Paul Jones, FM general manager. In the group standing at the right -W. A. (Bill) Thompson, Birmingham, Ala., jobber; Tom Boone, Norfolk, Va., jobber; Lee M. Ross, Knox- ville, Tenn., jobber; Jack Spellman, FM rep. in New Orleans; and J. J. Fitzgerald, FM service engineer. Below. NORGE CONVENTION NOV. 15 -16 GREETS 1938 ROLLATOR LINE -at the table upper left, Robert L. "Believe - It -Or -Not" Ripley (center) the feature speaker, with George W. Borg of Borg -Warner Corp., (left) and Howard E. Blood, Norge president. 'Round the table at the right, Cal Zamoiski (center) Baltimore and Washington jobber for Norge, surrounded by staff members Joe Doyle, "Kauf" Kaufman, Bill Middleman and Saul Greber. Scene at the table lower left includes P. B. Zimmerman (left), recently appointed Norge vice -president; John H. Knapp, (center), new assistant to Norge president; and C. D. Donaven, manufacturing head of the company.

OLIO

Below, STEWART -WARNER HONORS NEW REFRIGERATORS NOV. 10 -12 -at the left is Frank A. Hiter, SW vice -president and general sales manager. In the center photo, left to right, the faces are those of Morty Salzman, J. N. Golten, and Sam Salz- man. Chatting in the group at the upper right are, left to right, E. R. Rutledge, Rudy Browd, and D. T. Lansing. The four gents in the foreground, lower right, are, left to right, Tom Tobin, SW West Coast district manager; Oliver Shaw, jobber of Charlotte, N. C.; C. C. DeWees, SW radio and refrigeration advertising manager; and R. J. Lawrence, SW representative. REFRIGERATORS THANK YOU WORLD From page 38 `Women like to hear the sound of ... for proving the water in a washing machine," declares Mr. Tesloff. "And in ours they can see it when the cover is off. We con- quality superiority sider this one of our best ways of nab- ' bing new prospects on a sort of cold - basis, for the operating machine must lure them into the doorway where it is functioning." * Stewart-Warner Corp. has pur- OF NATIONAL UNION chased an Indianapolis, Ind., plant from the trustees of the Marmon Motor Car Co. The deal gives Stew- art- Warner 22 acres of land and Radio Tubes and Condensers buildings, adding up to 539,000 sq. ft. of floor space. According to J. E. Otis, Jr., president, it is the SW in- tention to transfer all refrigerator You did it! You proved to us condensers in earning their making operations to this new site. This expansion is one of the steps our faith in the scientists, re- daily living are the men who based upon the firm's steady growth search engineers and produc- know. These men tell us Na- and the increasing demand for its tion chiefs who have created tional Union to them stands products. and manufactured the fine for quality and dependability * Johnson Motors have just com- lines of National Union radio year in and year out. They say pleted a large new building at tubes and condensers. "Give us a product marked Galesburg, Ill., to provide for assembly and warehouse space for the Pouring into our headquarters National Union and our faith fast -growing refrigerator division of from 117 countries throughout in its performance is un- the firm. Expansion program means limited." added space for the engineering, ser- the world have come letters vice, sales, production and inspection testifying to complete satis- To those of you who haven't departments. Activity in refrigera- faction in the performance of experienced the pleasure of tion compressors and evaporators, as products bearing the National using National Union tubes well as Johnson's Sea Horse outboard we could motors, will be increased at the main Union brand. Nothing and condensers we extend an plant at Waukegan, Ill. Already say about the abilities of our invitation to join the world- working at the new Galesburg build- Research staff, the tests and wide group to whom the name ing are the executives, J. F. Furry, checks we make in every step National Union means a profit- chief enginer; C. A. Thomson, sales of manufacture would be as manager; C. J. Geske, service man- able sound business relation- ager, and H. L. Bourdon, office man- convincing as the test of actual ship based on quality and fair ager. service in the field. dealing. Write or cable for Johnson motors entered the refrigeration field 5 years ago, making The men who are using Na- complete information on the mechanical units. A complete line tional Union radio tubes and National Union program. of household refrigerators bearing the name Briggs was introduced about a year ago and met with a success which inspires the current build- NATIONAL UNION RADIO CORP. ing expansion. The 1938 Briggs line is now in production and deliveries 570 Lexington Avenue, New York, N. Y. are being made from Galesburg. U. S. A. Cable Address: TUBES, NEW YORK

Would You Trade -? For... Competing with ... a dozen near- No competition ... your city ex- by dealers ... clusively yours ... Advertising for ... a dozen near- Directly profiting on your every by dealers ... penny spent for advertising ... Price cutting by :.. a dozen nearby dealers ... Stabilized price and a full profit... Sharing turnover with ... a dozen Building sales today and for the nearby dealers ... future ... with quality ... Of course you would trade. You CAN ... if you act at once. Certain cities and territories are yet available to serious radio merchants. The product is the outstanding MASTER- PIECE radio, custom built by McMurdo Silver ... One -half of America is already closed to America's best music merchants. Don't delay ... write or wire now for full details to: McMURDO SILVER CORP.,2900 CS. Michigan Blvd., Chicago Charles R. D'Olive, is now vice- presi- dent in charge of Crosley Corp.'s refrigeration division.

10 Radio Today "THIS MUCH MORE IN A SHELVADOR" The Greatest Sales Story Ever Told!!!

In the past six years Crosley has experienced phenomenal growth with the exclusive Shelvador Electric Refrigerator. for an expan- rs.,... This growth dictated plans sion program unrivalled in the Electric Refrigeration Industry ... a program now in full operation. The dominating features of this program are the new $1,000,000 Crosley plant at Richmond, Ind., and the great, new "Proving Ground" installed at the Cincinnati plant. The Richmond plant, the first of four units to be built on this 90 -acre industrial tract, is 200 feet wide by 1200 feet long and incorporates the most efficient production facilities known to the industry. It is served by two main trunkline railroads and is already producing at the rate of 1500 Shelvador refrigerators daily. In the "WATCH CROSLEY new "Proving Ground" Crosley has developed the most modem air conditioned testing chambers for IN 1938" product quality control. Shelvador refrigerating units are tested under controlled temperature and Powel Crosley, i,. humidity conditions that approximate extremely President severe climatic conditions. Supporting this program is a product that estab- The new 1938 Crosley Sheh odor Electric Refrig- lishes new standards for quality manufacture and erator is now available in 11 distinctive models that low cost of operation -the new 1938 Crosley Shel- meet every requirement in capacity and price. vador Electric Refrigerator -unquestionably the greatest Shelvador in Crosley history! Record carload shipments have been made ... more are now on the rails ... and on thousands of sales floors women are eying and buying the new Shel- vador. All over the nation sales are proving that "This Much More In A Shelvador" is still "the sales Chas. R. D'Oaee greatest story ever told." VIU Pretitent, Relrlteratlan Olvlàdn

Herbert Money Chief Engineer New "Inside Proving Ground" at the Crosley Cincinnati Plant. Refrigeration Division

John W. Craig Asst. to Ctdef Refrigeration Engineer Shown abone is the recently completed first unit of four to be built -acre tract al Richmond, Ind. This These are the men up in the by Groan, on the 90 first 200 feet wide by 1200 feel long. is the last word in produc- The Crosley front line as the 1938 Crosley unit, Engineering Staff, Refrigeration Division of Radio a of 1500 Shelvador cabinets per day. Corporation. Shetvador "Big Push" for rec- tion efficiency with capacity ord refrigerator sales begins. THE CROSLEY RADIO CORPORATION CINCINNATI POWEL CROSLEY, Jr., President Home of "the Nation's Station "-WLW- 500,000 watts -70 on your dial

December, 1937 41 .+r.,. i,vif. 'v'Ar"n.,V'X'. ment. Simplified temperature control. ..,r..,,i Illuminated dial. Interior light. Du- /74'.Z/,t. lux finish. Two -way door opener, REFRIGERATORS moonstone defrosting tray. Glass wool insulation, etc. Fairbanks, Morse & 'i; From 40 j/ : page Co., Indianapolis, Ind. -RADIO TODAY. , /v Norge Rollafors for 1938 * New refrigerator line for Norge Crosley 1938 Shelvadors r,- includes 16 models: 8 Standard, 5 De- ,>/.. Luxe, 2 Low -Temp, and one gasoline- electric. Illustrated herewith is model P-71 -8, deluxe in porcelain. Capacity is 8.11 cu. ft. Standard accessories include ice tray release, defrosting tray, automatic electric light, double hydrovoirs, adjustable insert shelves, bottle rack, utility basket and accessory set. Twelve variations in arrangement possible with use of insert shelves. Some deluxe models produced in mother of

* New line presented by Crosley includes 4 Deluxe models: KL5 -43, KL5 -50, KL5 -61 and KL5 -71; and 7 Standard models: KB5 -30, KB5 -31, KB5 -36, KB5 -43, KB5 -50, KB5 -60 and KB5 -71. Deluxe model KL5 -61, illustrated herewith, has net storage capacity of 6.1 cu. ft. Total shelf area, 15.8 sq. ft. Makes 140 ice cubes or 11% lbs. of ice. Features include Shelvador, electrosaver her- pearl exterior. Norge Division, Borg- metic unit, speede -cube release, re- ZUishins bou Warner Corp., 670 E. Woodbridge, De- frigerated shelf for fast freeze, 18 -point troit, Mich. -RADIO TODAY -see also temperature control, built -in thermom- advt. pages 2 and 3. eter, cold storage tray, 5 flat wire a verb merrb shelves. Three shelvador jars and covers, 6 beetleware dessert cups. Cris- per, storadrawer, automatic interior Christmas Fairbanks -Morse E6 light, ventilated front. Sealed, glass wool insulation. Benderized steel cabinet, dulux finish. Available with THE HAPPIEST AND built -in, 5 -tube radio. OF Standard models are represented NEW YEARS! here by KB5 -60, with net capacity of 6.0 cu. ft., total shelf area 14.43 sq. ft. Makes 161 ice cubes or 12% lbs. of ice. Features include most of those of the deluxe jobs, except for crisper, stora-

* Illustrated is Model E6, one of the nine models in 1938 line, described in general last month. E6 has storage capacity of 6.53 cu. ft. gross, and shelf area of 12.6 sq. ft. Ice capacity is 91 cubes or 9% lbs.; 1 double depth tray and 3 standard trays, 2 with ice cube 'f, UTAH RADIO PRODUCTS CO.'. expeller grids. Over -all size is 57 i in. CHICAGO, U. S. A. high; 28% in. wide; 247/8 in. deep. TORONTO BUENOS AIRES Features are conservador, visible ther- :, ONTARIO. CANADA ,UCOA RADIO PRODUCTS CO.) mometer. Ribbon shelves. Sliding drawer, jars, cups, etc. Also available shelf. Split shelf. 116 YEARS OF LEAOERSHIP' Self -sealing veget- with built -in radio. Crosley Radio able crisper. Dairy basket. Non -re- Corp., Cincinnati, Ohio -RADIO TODAY frigerated reserve storage compart- -see also advt. p. 41. 12 Radio Today PUBLIC ADDRESS From page 13

SOUND SOLVES ANOTHER NAVY PROBLEM * Because the saluting battery at the Navy Yard at Brooklyn, N. Y., 38 was necessarily situated at some dis- CARS tance from the Commandant's office. Naval officials there faced some special problems. C. H. Woodward, Rear AGAIN CROWE LEADS Admiral, II. S. Navy, Commandant, -with. Centralab with new Panel Mounting Third Naval District and Navy Yard, Kits for 1938 cars) Official New York, has explained the solution the Controls! styling! Attractive escutch- to RADIO TODAY : eons! Softly illuminated "The saluting battery is located on dials! Colored knobs! All the waterfront in order that a salute Old .i\I:ut Centralab at the blending with instrument to ships entering and leaving the joy stick! ... playing a panel of car. Airplane Yard can be seen and heard. The rather "heavy" part in and drum -type dials. Commandant's office is about one mile from the battery. Due to the dis- the "Drama of the Skies" Crowe Interchangeable as produced by Bendix Controls and Shafts tance and the intervening buildings, make auto radios the saluting battery could seldom be Radio. heard at the entrance to the Com- adaptable to any car. mandant's office. Old Man Centralab is Re- installation simply "To remedy this difficulty a micro- mighty proud of his per- by changing Panel phone located at the battery was used Mounting Kit. Get formance ... just as he to feed an amplifier and horn located is proud to be associated complete details I at the Commandant's office entrance. ASK FOR In this manner the timing of pro- with Bendix, ace design- SUPPLEMENT 204 cedure required by Naval etiquette ers and builders of avi- AND for official calls at the office could be ation communication sys- BULLETIN 202 smartly executed since there was no tems. Whether for intri- PHILCO uncertainty regarding the beginning cate "two -way fone sys- DEALERS! Manufacturers! and ending of the gun salutes." tems" or just plain and Crowe -Philco program Crowe Method increases sole of of Distribution re- RADIO AMPLIFIER LABS DEVELOP fancy replacement jobs- Philco auto radios. duces inventory - insist on Centralab parts. Stock Crowe Panel CUSTOM -BUILT SOUND Mounting Kits. improves service - standardizes prices de- Ask for Supple- * So that sound dealers may ment 204 and -simplifies selling velop their public address ideas and Bulletin 2011/ -stobilizes profits. requirements with the aid of factory Write for details. facilities, D. T. Bell of Radio Ampli- Get the 1937 fier Laboratories, New York City, is expanding a policy of offering spe- Volume Control Guide cially designed and engineered equipment. According to Mr. Bell, this trend in PA merchandising is one which helps the dealer to get rush deliveries, aids him to escape list price and special discount competition, puts experienced engineers at his disposal 1 when tough installations come up, and paves the way for "better rental prices on the dealer's own distinctive equipment." This policy is accented by the com- STANDARD RADIOHM pany in its design and manufacture of amplifiers, horns, stands, recording equipment, recording heads, etc. * From David Bogen Co., Inc., 663 C,ten Broadway, New York City, come three ab new booklets. One is titled "Public Address Blue Book," featuring the Milwaukee, Wis. Bogen sound products for 1938. An- other describes and illustrates the Division of Globe Union, Inc. i company's custom built sound equip- BRITISH CENTRALAB, Ltd. ment featuring radio, phonograph and Canterbury Road, Kilburn microphone communication for schools, London, N.W.6, England CROWE NAME PLATE &MFG.CO. hotels, hospitals, etc. The third concerns the Bogen intercommunicators FRENCH CENTRALAB CO. 118 Avenue Ledru- Rollin 1771 Grace Street and lists all the new -model Communo- Parts XI, France ILLINOIS phones and paging systems as applied CHICAGO, to factories, hotels, etc. December, 1937 43 ß11 ¡he cZaz it PRODUCTS AND PERSONNEL eútve FOR QUICK, ACCURATE -an export supply summary for radio and associated lines. SET TESTING ABC Radio Laboratories, 3334 N. attenuators, ballast tubes and other New Jersey St., Indianapolis, Ind. - type fixed resistors. Export manager antennas and accessories, short wave is M. Simons & Son Co., 25 Warren converters for car radios. Export St., New York City. manager is C. O. Peek. Clough -Brengle Co., 2815 W. 19th Acro Tool & Die Works, 1202 W. St., Chicago, Ill. - test equipment, Grand Ave., Chicago, Ill.- chassis Export manager is Robert L. Barr. cradles. Consolidated Wire & Associated Corp., Aerovox Corp., 70 Washington St., Peoria and Harrison Sts., Chicago, Ill. Brooklyn, N. Y. -dry and wet elec- -antenna wire, aerials, specialties, trolytic condensers, paper and mica electrolytic and by -pass condensers. condensers, including transmitting; Export manager is J. G. Mann. padder condensers, motor starting Cornell- Dubilier Electric Corp., South and industrial oil capacitors, carbon Plainfield, N. J. -radio condensers, resistors and vitreous enamel resis- industrial and power factor correc- tors. Export manager is Arthur H. tion capacitors, line filters. Export Williams. manager is L. A. DeBarros. Amperite Corp., 561 Broadway, New Cornish Wire Company, Inc., 30 York, N. Y.-microphones, micro- MODEL 1601 Church St., New York, N. Y. -wire phone stands and Amperite regula- products, antennas and accessories. DeLUXE SET TESTER tors. Export manager is S. Rutten- $45.33 IN METAL CASE Export manager is M. Simons & Son berg. Co., 25 Warren St., New York City. Has modern Andrea Radio Corp (formerly F. A. The Crosley Radio Corp., 1329 D. Andrea), 48 -20 48th Ave., Wood- Arlington St., Cincinnati, Ohio - front illuminated side, L. I., N. Y. -home sets. Export home, auto and battery sets, tubes, manager is John I. Whyte. refrigerators and other electrical ap- instrument .. . Arcturus Radio Tube Company, 720 pliances. Export manager is A. G. Frelinghuysen Ave., Newark, N. J.- Lindsay. A great advance in Set Testers is radio tubes. Export manager is J. achieved by Triplett's new De. Geartner. Crowe Name Plate & Mfg. Co., 1749 Luxe Model 1601 ... has all the Grace St., Chicago, Ill. -panel con- latest features, including many Burstein -Applebee Co., 1012 -14 Mc- trols, dials and tuning devices. Ex- Mo. is exclusive with Triplett ... Plug - Gee St., Kansas City, -home, port manager Winslow Goodwin. in type Copper Oxide Rectifier auto and battery sets, sound equip- 25,000 obms per volt . ment, parts and supplies. Export Large 4 -iitch square instrument manager is L. M. Bornstein. with front illumination (a great C. F. Cannon Company, Springwater, aid for more accurate readings). N.Y.- headphones. Centralab, 900 E. Keefe Ave., Mil- D.C. Volts of 25,000 Ohms per waukee, Wis.- volume controls, tone Volt. A.C. Volts of 1,000 Ohms controls, fixed resistors, suppressors. per Volt. Reods to 2,000 Volts wave- change switches and switch A.C. and D.C. in 6 Ronges. kits. Export manager is H. E. Osmun. Resistonce Meosuremenfs to 20 Cinaudagraph Corp., 110 Davenport Megohms. Condenser Tester St., Stamford, Conn. -speakers and to 30 Mfds. parts. Export manager is Arthur 50 Microamperes 20 Rocke, 100 Varick St., New York to Am- City. peres in 9 Ronges. New Single Zero Adjustment Clarostat Mfg. Co., Inc., 285 North for Ohmmeter. Sixth St., Brooklyn, N. Y.- volume All A.C. Op- T eroted -No Botteries Used. and tone controls, pads, L pads, Also available in attractive leatherette case With compartment With accessories. Net price ä{Oaa.

R CEr Pizechicf ELECTRICAL INSTRUMENTS "TRANS- O- MATIC" f ANTENNA KIT THE TRIPLETT ELECTRICAL INSTRUMENT CO. 1912 Harmon Ave., Bluffton, Ohio This kit comes completely soldered and ready to install. Features extra heavy Please send me more information on Model lß01 enameled wire, molded Bakelite junction same coupler, and rubber covered transmission line -in on attractive display package. Address WRITE FOR CATALOG City State John I. Whyte is now export mgr. 74e WARD PRODUCTS Cw4e. for Andrea Radio Corp. WARD BUILDING CLCVLLA110.0IO 44 Radio Today Freed Manufacturing Co., 44 W. 18th St., New York, N. Y. -home and portable receiving sets. Export manager is J. D. R. Freed. Gardiner Metal Company, 2514 West 48th Place., Chicago, I11.- flux-filled wire solders. Export manager Is Werner Troeger, 720 N. Jefferson St., Milwaukee, Wis. General Electric Co., 1285 Boston Ave., Bridgeport, Conn., and Nela Park, Cleveland, Ohio -home, auto and battery radios, intercommunicators, test equipment, tubes and domestic appliances (includes refrigerators, washing machines, irons, fans, vacuum cleaners, sun lamps and heating devices). All export sales made by International General Elec- tric Co., 1 River Road, Schenectady, N. Y., where R. A. Rowlands is manager of appliance department, including radio. General Industries Co., 3537 Taylor St., Elyria, Ohio- record -playing and recording equipment. Export manager is Arthur Rocke, 100 Varick St., New York City. MODEL '38 6 -volt with General Products Co., 1801 Fannin St., Houston, Tex. -radio club chairs. "PRESSURE CONTROL' Hetro Electrical Industries, Inc., 4611-17 Ravenswood Ave., Chicago, Ill. -home sets, elec. tuners, sound Wincharger systems, generators, test equip. Ex- A revolutionary new that port manager is J. M. Muniz. sets new standards of perfection in wind -electric Offers new Hirsh Manufacturing Co., P. O. Box design.... 804, Oklahoma City, Okla. -"Duo- simplicity of construction, increased sockets." Export manager is Harry generating efficiency, greater safety R. Savage. in operation, and longer service life. Hygrade Sylvania Corp., 500 Fifth These were the conclusions of ex- Ave., New York, N. Y. -tubes and in- haustive "wind- tunnel" tests con- candescent lamps. Export manager ducted by a prominent American is Walter A. Coogan. University. Most important of all, Indian Products Corp., Koolroom Di- the New Model '38 Wincharger has a vision, 2338 South Indiana Ave., Chi- new governing method known as cago, Ill. -air conditioners. Export "Pressure Control" which enables the manager is S. J. Molner. genuine Wincharger to charge at a International Radio Corp., 4th and much more constant rate, and govern William Sts., Ann Arbor, Mich. - to such perfection that Wincharger Kadette home, battery sets and operates Kadette tubes. Export manager is actually turns slower, and John Bradfield, vice- president. as safely in 70 and 80 mile" hurricane" winds as in a 30 -mile wind. International Resistance Co., 401 North Broad St., Philadelphia, Pa.- resistors and volume controls. Export manager is Robert E. Keiser. WORLD WIDE Janette Mfg. Co., 556 -558 W. Mon- ACCEPTANCE roe St., Chicago, Ili.- rotary converters, dynamotors, AC and DC mo- Proved Dependable the World over tors, AC and DC generators, gasoline -and Advertised Everywhere engine electric plants, motor genera- Winchargers in tors. Export mgr. is M. Robinson. There are more genuine use than all other makes combined! J. F. D. Mfg. Co., 4111 Fort Hamil- Wherever you travel throughout the ton Parkway, Brooklyn, N. Y. -auto are radio antennas, accessories, control world, genuine Winchargers shafting, casing, fittings and parts; known, and they have proved radio dial belts, bands, cords and thoroughly dependable. Yes! and they STURDY TOWER cables; ballast tubes. Export man- are advertised to consumers all over ager is L. L. Minthorne, 116 Broad the world! Made of braced rail - St., New York City. steel angle -iron. Sale Ken -Rad Tube & Lamp Corp., WIRE or CABLE today for Distributor for housetop. Built Owensboro, Ky.- tubes. Export man- Merchandising Plan and literature in English, to resist the force of ager is L. L. Minthorne, 116 Broad Spanish or French St., New York City. a hurricane. Marconiphone, Inc., 679 Madison Ave., New York, N. Y. -home sets, U. S. A. phonograph -radio combinations, in- WINCHARGER CORPORATION, SIOUX CITY, IOWA, cluding automatic and portable. Ex- Cable Address "Wincharger" port manager is B. Hills. World's Largest Manufacturer of Wind -Electric Equipment Continued on page 46

December, 1937 45 l. i ERNE EXPORTERS MPrQ,aKfs McMurdo Silver, Inc., 2900 S. Mich- C igan Blvd., Chicago, I11. -home and communications sets. Export man- i - AC STÓR ager is McMurdo Silver. Monarch Mfg. Co., 3341 Belmont COMvEN Ave., Chicago, Ill.- testing equip- 3 IMPORTANT ment for manufacturers. Export USES manager is Carrington H. Stone.

`.CREASE ( 1 The Acoustic Mueller Electric Co., 1581 E. 31st HIGHS Compensotor enables St., Cleveland, Ohio -battery and `(1 A PUSH DOWN you to lower or raise test clips, hardware and small tools. Ili TO INCREASE the response of the Export manager is E. H. de Coningh. LOWS microphone by the ... SI ;._ mere Ri of the fin. National Union Radio Corp., 570 Lex- r, 1 gerl (2) Makes the ington Ave., New York, N. Y.- tubes, I - . j Velocity immediotely cathode-ray tubes, electrolytic con- ' ) i; l p adjustable to close densers, pilot lamps, exciter lamps 15 6 talking or distant 06 and photo -electric cells. Export man- pickup. (3 ) Immedi Lafayette .'P ` otely adjustable to ager is J. H. Robinson. 8 ony type of job or 'fl Norge Division, Borg -Warner Corp., t occasion. 30 WATT STUDIO MODEL 670 E. Woodbridge, Detroit, Mich. - MODELS RBHIC. RBMk, with acoustic compere. refrigerators, washers, gas and elec- QUAMTY IN EVERY PART sator. Frequency range 40 to 11,000 CPS. Out. tric ranges, commercial refrigeration, Here it is-the portable sound sys. tent that has the entire_profession put, -65 db. Switch, coble connector. 25 of air conditioning and heating equip- agog! LAFATETTE'S sense. cable . $42.00 LIST ment. Export manager is R. W. Gif- ,fond new Studio Model (36411. ford. Experts agree its the most effi- MODELS RBHn. RBMn. without ocoustic com cientlent modern amplifier circuit on the market today -or tomorrow. pensator $42.00 LIST D. W. Onan & Sons, 379 Royalston Has more scientifically advanced Ave., Minneapolis, Minn. -AC and latures than any other portable DC generating plants. Export man- m. Provides 4 input channels Al WERITE, CONTACT MICROPHONE I r 2 mikes). Here's good sound ager is D. W. Onan. ,n.lrr go Lafayette for 3938! Ideol for use on all string instruments. No Pacific Radio Corp., 844 W. Adams distortion. No string St., Chicago, Ill. -home, auto o chonges. Unusuol and high output. -40 db. battery sets, dials and tuning devices. Con be used on radio Export manager is J. M. Muniz. lid sets. Operates withwi Parris -Dunn Corp., Iowa high or low goin am. Clarinda, - plifiers. Frequency re. battery chargers for radio and light. -.p, - COMPUTE ; sponse 40 to 9000 cps. Export manager is Diego Fernandez. MODEL KTH (hi.imp); KTL (200 ohms); 25 of Pernio Produis Corp., 6415 Ravens- cobia $22.00 LIST Th re ar some interesting wood Ave., Chicago, Ill. Permo $1542 Lafayette e /..reign Iranchiret KTH or KTL with foot.operoted volume control. - still open. Write today. As wally Mite $30.00 LIST Point phonograph needles. Export manager is Sherman E. Pate. AMPERITE "HAND -I -MIKE" Philco Radio & Television Corp., 10 MODELS OF 1938 Smollest velocity made Tioga and C Sts., Philadelphia, Pa.- ..but has an output home, auto and battery receivers, LAFAYETTE RADIOS to larger types, intercommunicators, test equipment, PRICES RANGE FROM -68 db. Frequency tubes, batteries, power transformers, range 60 to 7500 cps. Ex- I.F. transformers, coils, volume con- $8.95 cellent for close talking trols, resistors, condensers, speakers, Con be used as hond. desk or stond mike. Very rugged. MODELS FOIL / 4t0a

(hiimp);HDL(20C ohms); . a with switch. $22.00 LIST FREE NIODEL RAL' $22.00'LIST__: - A populos Amperite Velocity. Excellent for speech and mu ) sic. No peoks. Flot response. For Complete Listing of Lafayette Sound Output. -68 db. Triple shield. Systems and the famous Lafayette Radio MAIL line, send today for FREE Wholesale catalog. COUPON ed. Shock obsorber, swivel 1 bracket. MODEL RAL (200 ohms); or MODEL RAH Ai (hi. WHDLES41LE 4141010 SERVICE U1: imp). $22.00 LIST NEW YORK,N.Y; .CHICAGO, ILL. a ATLANTA, GA. no s BOSTON. MASS ..BRONX'N.Y.NEWARK, N. J. a JAMAICA., I. 411 window trod WHOLESALE RADIO SERVICE CO., INC. w Decal Y. VIttwi Le t. 100 SIXTH AVENUE, NEW YORK, N. DL+PlaY mound YAuiPSpen1 térhea1 Rush FREE 1938 Catalog No. 69 -12M7 1` FULLI terlreads. es helps, forte now! . WT"e buesllettins, and ne Name.. 561 BROADWAY, N. Y. MPERITE O. Cable Address:Alkem.New York ERITE At one of "Solomon's Pools" near City State Bethlehem in Palestine whirls a Hy- MICROPHONE Tower charger by Parris -Dunn Corp. PASTE COUPON ON. PENNY POST CARO 46 Radio Today switches, dials, tuning devices, an- Radiofone Corp., 136 West 22nd St., WORLD - FAMOUS LINES tennas and accessories. Export man- New York, N. Y.-intercommunica- ager is W. S. Cranmer. tors. Export manager is Joseph S. FOR OVERSEAS Klein. Pioneer Gen -E -Motor Corp., 458 W. Superior St., Chicago, Ill. -gas charg- Radio Amplifier Laboratories, 59 ers, wind chargers and converters. Walker St., New York, N. Y. -sound Export manager is M. Simons & Son systems and amplifiers. Foreign sales Co., 25 Warren St., New York City. representative is Interworld Trading Mighty Corp., 315 Fifth Ave., New York City. Monarch Precision Apparatus Corp., 821 E. of the Air! New York Ave., Brooklyn, N. Y.- Radolek Company, 601 West Ran- Automatic test equipment. Export manager is dolph St., Chicago, Ill.- receiving electric pusb- button re - M. Zigman. sets, antennas and accessories, inter - ers. 5 to 16 tubes. AC 6 AC -DC. Table. cbairside and console. Two 6 -volt bat- communicators, sound systems and tery dell. Beautiful cabinetry. amplifiers. Export manager is W. C. Wealth of sal- makiag features. Com- Quam -Nichols Co., 33rd Place and plete. Profitable. Braun, Jr. Sold direct. factory - Cottage Grove Ave., Chicago, Ill. - to- dealer. speakers and parts, antennas and accessories. Export representative is Raytheon Production Corp., 55 Schechter & Breuer, 1674 Broadway, Chapel St., Newton, Mass. -tubes. Electro,Acousüc New York City. Export manager is Ad Auriema, 116 Subsidiary of the Mag Co. Broad St., New York City. Complete line of high quality public & address and sound di tributioa Radio Technical Publishing Co., 45 Regal Amplifier Mfg, Co., 14 West quip - Astor Place, New York, N. Y.- meat. Every job ll aaotber corm. 17th St., New York, N. Y.- receiving Amplifiers, speakers. microphones. mo- trouble- finding gadgets for servicing sets, intercommunicators, sound sys- bile systems. accessories, phonographs home and auto sets, text books on (lectrically amplified) and radio - tems and amplifiers. Export manager phoao combinations. Outstanding radio fundamentals and servicing. is W. Spiegel. cos, suc- Export manager is M. Schranz, Chicago Ceatury of Progress. Correspoadence invited from RCA Mfg. Co., Camden, N. John F. Rider, publisher, 1440 Broad- American manufacturers J.- radio- way, New York, N. phonographs, electrolas and record Y.- trouble- of non- competiag players, Victor and Bluebird records; shooters' manuals, volumes on align- lines. home, auto and battery receivers; ment, servicing, cathode -ray oscillo- amateur sets, antennas and acces- graphs, etc. Export manager is A. sories, broadcast transmitters, elec- Rosenberg. trical transcriptions, photophone equipment, marine radio, trans- H. J. Scheel, 330 S. Wells St., Chi- oceanic radio, aviation radio, police cago, Ill.-export sales manager for Majestic Radio & Television Co., HARRY J. SCHEEL radio, microphones, Export Sales Manager sound systems makers of home radios and battery and amplifiers, sound trucks, film 330 South Wells St.. Chicago, III., USA. projectors, test instruments and receivers. Scheel office also handles exports for Electro Acoustics Prod - Majestic cable address: MAJESTICO. Chicago. tubes. Radio export manager is J. Electra- Acoustic cable address: EAPCOMPY, Chicago. M. Regottaz. Continued on page 51 ß0t9 u TO A REPUTATION .. NOT ON ITo Throughout the years, the name Sprague has been actively identified with the radio and electrical industries. Throughout the years, this name has stood for highest quality coupled with the utmost progressiveness of design. Today's Sprague Condensers are no exception' Their record of performance, durability and economy with a steadily growing list of the world's largest users speaks for itself.... Made in a complete line for every requirement. SPRAGUE SPECIALTIES COMPANY, North Adams, Mass. EXPORT DEPARTMENT: 238 MAIN STREET, CAMBRIDGE, MASS. CABLE ADDRESS - McKIM, BOSTON

SPRAGUE CONDENSERS

December, 1937 47 RADIO SOURCES OF SUPPLY

9 An alphabetical list of radio manufacturers whose advertisements have appeared in o O RADIO TODAY in the past year. Com- m 8 é panies having advertisements in this issue É " ,. F are listed in the ADVERTISERS INDEX. ,+, m m ;; ei. ó é é'> á m á CQQ é° c Ú Ú v C ABC Radio Laboratories 3334 N. New Jersey St., Indianapolis. Ind.tt Acro Tool & Die Works, 1401 Wilson Ave., Chicago. Ill. § Adler Manufacturing Co., 29th & Chestnut Sta., Louisville. Ky Aerovox Corp., 70 Washington St., Brooklyn. N. Y.. Aladdin Radio Industries, Inc., 468 W. Superior St., Chicago, III. Alden Products Co., 715 Centre St.. Brockton, Mass. Allied Radio Corp.. 833 West Jackson Blvd., Chicago. 111.# ** ...... American Carrier -Call Corp.. 39 West 60th St., New York. N. Y. .... American Communications Corp 1650 Broadway. New York, N. Y.Atlas Sound Corp., 1451 -39th St., Brooklyn, N. Y...... Belmont Radio Corp.. 1257 Fullerton Ave., Chicago, Ill...... Birnbach Radio Co., Inc.. 145 Hudson St.. New York. N. Y...... Bogen Co., Inc. David, 663 Broadway, New York, N. Y. .. . Breez- Electric 440 North OakleyOakle Blvd., ChicaChicago. o III ...... Briggs & Stratton, Milwaukee. Wis.# ...... Brush Development Co., 33rd & Perkins Ave.. Cleveland. Ohio ...... Burstein -Applebee Co.. 1012-14 McGee St.. Kansas City, Mo. f ...... Cannon Co., C. F., Spn'n ater, N. Y. Centralab, 900 East Keefe Ave., Milwaukee, Wis. , , ...... Central Communications Devices, Inc., 140 W. 22nd St., N. Y., N. Y...... Cinaudagraph Corp., 110 Davenport St.. Stamford. Conn...... Clarion Radio, Inc.. 35 East Wacker Drive, Chicago, Ill aerostat Mfg Co., Inc.. 285 N. Sixth St.. Brooklyn. N. Y...... Clough- Brengle Co.. 2815 W. 19th St., Chicago. Ill ...... V 4 Consolidated Radio Products Co., 618 W Elm St., Chicago, Ill...... Consolidated Wire & Assoc. Corps, Peona & Harrison Sts., Chicago, IU...... Continental Carbon, Inc., 13900 Lorain Ave.. Cleveland, Ohio ...... Continental Motors Corp.. 12801 E. Jefferson St., Detroit, Mich ... . V Continental Radio & Telev. Corp., 325 W. Huron St.. Chicago. Ill ...... Comell-Dubilier Corp., South Plainfield. N. J...... Cornish Wire Co., Inc., 30 Church St. New York. N. Y. ... Crosley Radio Corp., The, 1329 Arlington St Cincinnati, Ohio ...... Crowe Name Plate & Mfg. Co.. 1749 Grace St., Chicago. Ill...... Curtis Condenser Co., 3088 W. 106th St., Cleveland, Ohio ...... Detrola Radio Corp., Beard & Chatfield. Detroit, Mich ...... Deutschmann Corp.. Tobe. Canton. Mass ... Dictograph Products Co., Inc., 580 Fifth Ave., New York, N. Y ... Eastern Mike -Stand Co.. 56 Christopher Ave., Brooklyn, N. Y.1! ...... Electro Acoustic Products Co., 2131 Bueter Road, Fort Wayne, Ind ...... Electro-Voice Mfg. Co., 324 Colfax Ave., South Bend, Ind...... Electronic Design Corp., 164 N. May St., Chicago ILL...... Electronic Laboratories, Inc.. 122 W. New York St., Indianapolis, Ind.... Electronic Products Specialties Co., 1623 S. Hill St., Los Angeles, Cal...... V ... Emerson Radio & Phonograph Corp. 111 Eighth Ave.. New York, N.Y. ... Erie Resistor Corp.. 644 W. 12th St.. Erie, Pa...... V. Fada Radio & Electric Co., 30 -20 Thomson Ave., Long Island City, N.Y...... Fairbanks -Morse Appliances, Inc., 21st & N'thwestn, Indianapolis, Ind...... :.. Federal Sales Co.. 26 S. Jefferson. Chicago. Ill...... F1eron & Sons, Inc., M. M., 113 N. Broad St., Trenton, N. J...... Freed Manufacturing Co., 44 W. 18th St., New York. N. Y. Galvin Manufacturing Corp.. 4545 Augusta Blvd. Chicago, I B. Gardiner Metal Co., 2514 West 48th Place, Chicago, Ill ...... General Electric Co., 1285 Boston Ave.. Bridgeport. Conn...... General Household Utilities Co.. 2638 N. Crawford Ave., Chicago. Ill ...... General Industries Co., 3537 Taylor St., Elyria, Ohio ...... General Products Co., 1801 Fannin St.. Houston, Tex...... Grebe Manufacturing Co., Inc., 119 Fourth Ave., New York, N. Y ...... Guthman & Co., Inc., Edwin I., 400 S. Peoria St.. Chicago, IIl ...... Halldorson Co., 4500 Ravenswood Ave., Chicago, IU...... liaison Radio Mfg. Corp.. Norwalk, Conn...... Hammarlund Mfg. Co., Inc., 424-438 W. 33rd St., New York. N.Y ...... Hetro Electrical Industries, Inc., 4611 Ravenswood Ave., Chicago. Ill...... Hickok Electrical Instrument Co.. I 0516 Dupont Ave., Cleveland, Ohio ...... Hirsh Manufacturing Co.. P. O. Box 804, Oklahoma City, Okla...... Howard Radio Co., 1731 -5 Belmont Ave., Chicago Ill. ... Hygrade Sylvania Corp., 500 Fifth Ave.. New York, N. Y ...... Insuline Corp. of America, 23 Park Place, New York, N. Y...... International Radio Corp.. 4th & William Sts., Ann Arbor, Mich...... International Resistance Co., 401 North Broad St.. Philadelphia, Pa ...... Isolantite. Inc.. 233 Broadway. New York, N. Y.#1... Janette Mfg. Co., 556 -558 W. Monroe St., Chicago, IB...... J. F. D. Manufacturing Co., 4111 Ft. Hamilton Pkwy, Brooklyn, N.Y...... Jensen Radio Mfg. Co., 6601 South Laramie Ave., Chicago, Ill...... Kato Engineering Co.. 727 S. Front St.. Mankato, Minn. ... Ken -Rad Tube & Lamp Corp., Owensboro, Ky. Kraeuter & Co.. Inc., 583-_18th Ave.. Newark, N. J...... V. -- - -- ...... Lauson Company,pariY. New Holstein. th S# --- ...... ,. Lear Development Co., 121 W. 17th St., New York, N. Y. ** ...... Leotone Radio Co.. 63 Dey Street. New York .N. Y...... Majestic Radio & Telev. Co., 50th & Rockwell Sts., Chicago, I0...... Mallory. & Co., Inc., P. R., 3029 E. Washington St., Indianapolis, I n d ...... Marconiphone. Inc.. 679 Madison Ave., New York, N. Y...... - McMurdo Silver Corp.. 2900 South Michigan Ave., Chicago. I0...... ' ...... - ... Meissner Mfg. Co., Mt. Carmel. Ill...... (Continued on Page 50)

1! Microphone stands t Radia Books and Manuals 2 Gas Engines it Short Wave Converters ## Insulation ;Test Equipment for Manufacturers # Radio Supply Houses Radio School Tape Cade Recording Equip. ** Transmitting equip. § Chassis Cradle §§ phanuwaph Needles 48 Radio Today ardiner rci. FLUX - FILLED SOLDER

A Line of Solder It Pays fo Handle Modern methods of manufacture and a low overhead enable us to produce standard high qual- RESIN -CORE SOLDER ity Gardiner Flux- Filled Solder at A perfect alloy of quality tin and a lower price and help you to lead with a pure resin-flux core. snake attractise profits whether For delicate electrical work where joints must he secure yet free you sell wholesale or retail. from all corrosion. Needs only beat. Flux -Filled Solder for Every Purpose Gardiner Flux -Filled Solder is made both in resin -core and acid -core, in carious alloys as required and In diameters as small as cauce 19 (.042" or 1 mm.). Sells easily and in profitable volume to manufacturers, mechanics, motor car repairmen, tinsmiths, farmers, householders, electricians, radio service men, motorists and many other users. Attractive Packages Make Sales Easy Gardiner Flux -Filled Solder Is supplied in One, Five 6 EO LT and Twenty -pound spools and in small coils. The One and Five -pound spools are packed in colorful, brightly tarnished cartons. The coils are enclosed in smaU, ELECTRIC eye- catching cans, packed m display boxes. Attractite packages increase your sales. Get your share of the profitable Gardiner Flux -Filled Solder business. Write or cable for details. Export Manager ACIDCORE SOLDER WERNER TROEGER Makes bonds of higher 720 North Jefferson Street tensile strength. A fast Milwaukee. Wisconsin, U.S.A. O seller. Always ready for Cable Address: use. Needs only heat. Wertroeger, Milwaukee, Wis. E

Factory in Chicago, Ill. R and LIGHT

From the Frigid Zones to the Equator in America, Europe, Africa, L,Zveci-61)ememy& Asia, Australia, with the fully patented "DUNN GOVERNING FAMOUS SINCE BROADCASTING BEGAN PRINCIPLE" A Quality Line at 6 -VOLT HYTOWER CHARGER n r ll 11 Outstanding Prices CUSTOM BUILT FOR: Arvin, Crosley, Detrala, Emerson, Fado, Fairbanks - Morse, Fardsan, G. E., Grunaw, Howard, Majes- k___ = tic, Mantala, Motorola, ! ;11 --- Musicaire, Philca, Pilaf, RCA, Sears Intl, Sen- . tinel, Silcox, Simplex, Sonora, Spartan, Stew- eC PERFECT art- Warner, S.Carlsan, PROPELLER Ultramar and others. CONTROL Model 99 -7 tube AC 2 band Superheterodyne set built into a hand polished walnut veneer and IT SLIPS THE DAMAGING EXCESS WIND inlay cabinet; represents the latest engineering advances in Shortwave Radio; for Standard Broadcasts (1600 to 550 K.C.) and Shortwaves (18 to 5.5 megacycles). Has "electric eye" tuning, full A.V.C., tone control, and an indirectly lighted etched gold color dial. Size: 17%" wide, 9¼" high, 7" deep. SArESTÌEd sTRONGEST Distributors and Dealers: Write for 1938 catalog and wholesale prices on complete line of sets listing from $16.95 to $49.95. PARRIS -DUNN CORPORATION World , Largest E,cl. ;.e Man.loc .rev, el 6 -gell Wjnd n.. cn FREED MANUFACTURING CO., INC. , rar err CSaraer, 44 WEST 18th STREET NEW YORK, N. Y. C L A R I N D A IOWA U . S . A . CABLE ADDRESS 'PARISDU N"

December, 1937 49 RADIO SOURCES OF SUPPLY (Continued from page 48)

An alphabetical list of radio manufacturers

I g whose advertisements have appeared in Ó. _ RADIO TODAY in the past year. Com- 1 aa. 4 x a panies having advertisements in this issue .>< e t3 " e ti á E 3 are listed in the ADVERTISERS INDEX. 8 4.. ii ÿ .9 °- $ á t° p É 5 3 á rR iñ É F F >

eP ...... Million Radio & 7'elev. Labs, 671 W. Ohio St., Chicago, Ill ...... Monarch Manufacturing Co.. 3341 Belmont Ave.. Chicago. Ill. ' ...... Monark Battery Company, 4556 V. Ave.. Chicago, ... Chicago, Ill. MurrMuter É erri, 3 lot Street. Cleveland,sago, and, Ohio eeCE.. The. 1255 S. Michigan Aver ILL. ' ...... I ...... National Carbon Co., Inc., 30 E. 42nd St., New York, N. Y...... National Union Radio Corp., 570 Lexington Ave., New York, N. Y...... Noblitt- Sparks Industries, Columbus, Ind... Ohmite Manufacturing Co., 4835 Flournoy St., Chicago, Ill...... Onan & Sons. D. W.. 379 Royalston Ave.. Minneapolis, Minn. . Operadlo Mfg. Co., 13th & Indiana Sts.. St. Cbarles, Ill. ... Oxford.Tartak Radio Corp., 915 W. Van Buren St.. Chicago, ILL ...... , Pacific Radio Corp.. 844 West Adams St., Chicago. Ill...... Pan American Radio Ser., Lima, Peru. S. A. ... Partis -Dunn Corp. Clarinda, Iowa...... Permo Products Co Ravenswood Chicago...... Philco Radio & Tek Corp. Ontario C Sts.. Philadelphia. Pa...... Pierce Airo, Inc., 510 Sixth Ave., New York, N. Y ` ...... Pilgrim El e c t r ic Corp., 138 -5th Ave.. New York. N. Y...... Pioneer Gen-E-Motor Corp., 458 W. Superior St., Chicago, III...... Portomatic Corp., The. 1013 Madison Ave., New York, N. Y...... Post Radio, Inc.. 72 Cortland St., New York. N. Y.# ...... Precision Apparatus Corp.. 821 E. New York Ave., Brooklyn, N. Y...... Premax Sales Division, (Chisholm -Ryder Co., Inc.) Niagara Falls, N.Y. , , ...... Presto Recording Corp.. 139 W. 19th St.. New York. N. Y ...... Quarr- Nichols Co.. 33rd Place & Cottage Grove Ave., Chicago. Ill ...... ::...... ttadiart Corp.. The, Shaw Ave. at 133rd St., Cleveland, Ohio ...... Radolek Co.. 601 W. Randolph St.. Chicago. Ill...... Raytheon Production Corp.. 420 Lexington Ave., New York. N. Y...... I ...... Radio Amplifier Laboratories, 59 Walker St., New York, N. Y ...... Radiobar Co. of America. 7100 McKinley Ave., Los Angeles, Cal...... Radiofone Corp.. 136 West 22nd St.. New York. N. Y. . _ ...... Radio Receptor Co., Inc.. 251 W. 19th St.. New York. N. Y...... Radio Service Institute. 14th & Park Road. Washington, D. C. *...... Radio Speakers, Inc., 1338 -40 S. Michigan Ave., Chicago. III...... Radio & Technical Publ., 45 Astor Place, New York. N. Y.f ...... , . Radiotechnic Laboratory, 1328 Sherman Ave.. Evanston, Ill...... I , , , , , , , , , ; , , , , , , ...... RCA Manufacturing Co.. Inc.. Front & Cooper Ste.. Camden, N. J...... Readnte Meter Works, 136 E. College Ave.. Bluffton. Ohio ...... Recoton Corp., 178 Prince St.. New York. N. Y...... Regal Amplifier Mfg. Co.. 14 West 17th St.. New York, N. Y ...... ' ...... Remler Co.. Ltd., 2101 Bryant St., San Francisco. Cal...... Rider, John F., 1440 Broadway. New York, N. Y.1 ...... Rurabte Engineering Co.. Sioux City, Iowa...... Sentinel Radio Corp..rp 2222 Diversey Pkwy.. Chicago. Ill...... Shure Bros.. 215 W. Huron Street. Chicago. Ill ...... I...... Simplex Radio Co.. The. Sandusky. Ohio ...... , ......

Simpson . . Electric Co.. 5216 Kinzie St., Chicago. ILL...... Solar Manufacturing Corp., 599 Broadway. New York. N. Y...... Sonora Electric Phonograph Co., Inc.. 160 Varick St., New York. N. Y...... Sound Products, 704 North Curson Ave., Hollywood,Y Cal...... , S Parks -Within n Co., E. Garrison Ave.. Jackson, Mich. Sprague Specialties Co.. Seaver St, North Adams. Mass ...... Standard Sound Products Co., 19 Rector St., New York, N. Y...... Standard Transformer Corp., 850 Blackhawk St., Chicago. Ill...... Star Machine Mfrs., Inc.. Hunts Point & E. Bay Aves. Bronx. N. Y...... Stewart Mfg. Corp.. F. W., 340 W. Huron St., Chicago. Ill ...... ,...... Stewart-Warner r 1826 Diverse Parkway. Chicago Ill ...... Stromberg- Carlson T ek. Mfg. Co.. 1 Carlson R., Rochster. N. Y...... Superior Instruments Co., 139 Cedar St., New York, N. Y...... Supreme Instruments ...... Corp.. Howard St., Greenwood. Miss...... A pppp Technical liane CoreCorp.. 17 E. 16th St.. New York, N. Y...... Thordarson Electric Mfg. Co., 500 W. Huron St., Chita o. III ...... Transducer Corp.. 30 Rockefeller Plaza. New York. N...... Transformer Corp. of America. 69 Wooster St.. New York. N. Y...... Tray -Lae Radio & Telev. Corp., 1028 W. Van Buren St., Chicago, III...... Triad Manufacturing Co., Inc., Pawtucket. Rhode Island ...... Triumph Mfg. Co.. 4017 W. Lake St., Chicago. Ill...... Triplett Electrical Instrument Co., 122 Main St., Bluffton, Ohio ...... Tung-Sol Lamp 2 Ave.. Newark. N. J ...... Troy Radio Mfg. Co., 1142 South Olive St., Los Angeles. Cal...... Try-Mo Radio Co.. 85 ...... Cortland St., New York, N. Y...... United American Bosch Corp., 3664 Main St., Springfield. Mass. , ...... United Scientific Labs., 62 W. 14th St., New York. N. Y...... United Sound Engineering Co.. 2233 University Ave., St. Paul, Minn. . ... _ _ _ ...... Universal Controls. Inc., 210710th Ave., Long Island City, N. Y...... Universal Microphone Co., Ltd., P. O. Box 299, Inglewood, Cal...... Utah Radio Products Co.. 820 Orleans St., Chicago, Ill...... WardLeonard Electric Co., Mt. Vernon. N. Y...... Ward Products Corp.. 1523 E. 45th St.. Cleveland. Ohio.. , , ...... Webster -Chicago. 5622 Bloomingdale Ave., Chicago. Ill ...... V ...... Webster Electric Co.. Racine. Wis...... Wedge Mfg. Co., 2334 S. Michigan Ave., Chicago. ILL...... ' ' ' " ' " ' " ' " ' " Western Electric Co.. (Graybar Co.) 195 Broadway. New York, N. Y...... Westinghouse Electric Supply Co.. 150 Varick St., New York, N. Y...... - ...... Weston Electrical Inst. Corp., 614 Frelinghuysen Ave.. Newark, N. J...... : ...... White Dental Mfg. Co.. S. S., 10 E. 40th St., New York, N. Y ...... Wholesale 'ce, ...... Radio Inc.. 100 Sixth Ave., New York, N. Y.il...... Wilcox -Gay Corp.. Charlotte. Mich...... Wincharger Corp., 2704 Hawkey Drive. Sioux City. Iowa ...... Wind Impeller Electric Works. aver Iowa ...... Wright- DeÇoster, Inc., 2233 University Ave., St. Paul, Minn. , ...... Zenith Radio Corp., 6001 Dickens Ave.. Chicago, Ill ......

If Microphone stands t Radio Books and Manuals i Gas Engines t Short Wave Converters ## In ulation Test Equipment for Manufacturers # Radio Supply Houses a Radio School Tape Code Recording Equip. "' Transmitting equip. t Chess s Cradle §§ Phonograph Needles 50 Radio Today EXPORTERS- Continued ucts Co., makers of sound systems Yes, There Is a Santa Claus! and amplifiers, speakers, microphones, electric phonographs and phonograph -radio combinations. FIFTEEN DOLLARS from us to you! That's our Xmas gift to purchasers of Solar Manufacturing Corp., 599 at the holiday price Broadway, New York, N. Y. -con- QUALITY our CRA oscillograph densers, line filters and test equip- of $64.50 -regular value $79.50. It's the STANDARD ment. Export manager is A. Pros - same super- dependable, precision instru- docimi. OF THE ment that so long has led the field. Nothing Sprague Specialties Co., North Adams, RADIO out! speeds Mass. -condensers and test equip- cheapened, nothing left Greatly ment. Export department, 238 Main INDUSTRY up and simplifies service procedure through St., Cambridge, Mass. Walter Mc- visual examination of every vital receiver Kim, mgr. function. You can see what you're doing Standard Transformer Corp., 850 and know you're right. A real Blackhawk St., Chicago, Ill.- transformers and chokes, sound systems Xmas gift at the new price .------_. $645° and amplifiers. Export representa- features Model 110 Signal tive is Roburn Agencies, Inc., 11 SUPERIOR of Warren St., New York City. Generator make it "tops" in perform- Star Machine Manufacturers, Inc., ance and value. (1) Greater accuracy than Hunts Point and East Bay Aves., EASY any other signal generator in the service N. Bronx, Y.-Remote controls for MONTHLY field. (2) Greater output, valuable for driv- auto radio. Export manager is I, B. of Finkel. TERMS! ing signals through receivers badly out line. (3) Quicker, more accurate direct Superior Instruments Co., 136 Lib- ASK St., New York, N.Y, reading jumbo dial, with exclusive VISUAL RADIO erty -test equip- YOUR ment. Export manager is Max Steir. matched -band calibration. (4) Better con- FREE SERVICE COURSE JOBBER Triad Manufacturing Co., lnc., Paw- trol of signal attenuation. (5) Lower strays WITH ANY C -B INSTRUMENT tucket, R. I.- tubes. Export man- OR because of individual shielding of internal Learn to handle tough service jobs ager is Allan Strauss, 16 W. 61st with ease and confidence. The C -B St., New York City. WRITE sections and double shielding over Visual Service Course gives you re- $4350 how. de- all. Easily your best buy____ -- quired "know Specially Co., US. s signed for service men by Midland Triplett Electrical Instruinent Television School, one of America's 122 Main St., Bluffton, Ohio- resis- -vwv.w largest, and C -B engineers. You can- tors and volume controls, switches, not afford to fall behind by going elec- The CLOUGH-I3RENGLE CO. without this valuable knowledge. radio and general test equipment, Learn more that you may earn more! trical measuring instruments. Export 2827 W. 19th St. Chicago. Ill. Ask your jobber. or write us. Time is manager is N. A. Triplett. ñ t.d I today Tung -Sol Lamp Works, Inc., 4111 Empire State Building, New York City- tubes. Export manager is George A. Bodem. "TOKFONE" -The 1938 Sensation! Universal Microphone Co., Ltd., P.O. Box 299, Inglewood, Calif.- intercommunicators, microphones, record Now -TOKFONE, Jr. playing and recording equipment, consists of Master, sound systems and amplifiers. Ex- Remote Station and 1 75 NET port manager is Frazar & Co., 7 50 ft. of wire . . . Front St., San Francisco, Calif. It's the biggest buy PRICE Utah Radio Products Co., 820 Orleans in Communication Systems. St., Chicago, Ill.-Resistors and vol- NOTHING CAN TOUCH IT! ume controls, sound systems and am- TOKFONE, Jr- plifiers, speakers and parts, switches, Remote Station transformers and chokes, vibrators GET YOUR SHARE! I and electric tuning motors. Export CRASH THIS FERTILE MARKET! manager is Donald F. McKnight. If you're in a position to "CASH -IN" with FAST MOVING - LOW PRICED intercommunication systems then you owe The Ward Products Corp., 1523 E. it to yourself to get in touch with REGAL -NOW! 45th St., Cleveland, Ohio-auto and home antennas. Export manager is Note These Features! C. O. Brandes. TOKFONE -adaptable to meet all requirements -from 2 to 40 stations -beautifully hand -rubbed cabinets -NO PREFERENCES -NO TRICKS -No Makeshifts -All New Merchandise-Special Units if Necessary - Weston Electrical Instriuuent Corp., No Quotas -No Contracts -Buy as You Need Them -Manufactured in our own factory-we stock them. 614 Fr elinghuysen Ave., Newark, Communication between master sta- Master to Master selective system Wireless communication two way N. electrical instruments and which enables any outlying master J.- tion and any remote station in station to station only without radio test equipment. Export man- which any remote station can call to call any other master station; the use of wires. Ideal for the ager is J. H. Purcell. the master, and the master is the up to 18 separate stations and 9 separate and distinct conversations only one that can call all remote home, office, shipping department, between station to station or any Wholesale Radio Service, Inc., 100 stations separately, or altogether. group of stations while any two doctors, factory or any place re- Sixth New York, N. Y. Master comes equipped with Ear- Ave., -home, or three, or more stations are quiring station to station commu- auto, battery sets, antennas, acces- phone. Works on AC -DC current. talking. Are equipped with ear- nication. Works an AC -DC cur- sories, parts, interphones, sound sys- List Price $47.50 far 1 master phone, also without the use of and 1 remote and 50 ft. wire. the Talk -Listen Switch. Works on rent. List Price $69.50 per pair. tems, amplifiers, microphones, tools, AC -DC current. List Price $12.95 Net $45 $ Net appliances, test equip., amateur sets. each. $12.00 Net 17.95 Export manager is L. M. Braun. We also Manufacture P.A. Equipm nt in the following sizes: 6, 12. 15. 30. 60 Watt- Amplifiers -Parts used are. Aerovoz- Thordarson- I .R.C.- Parmet- Rola- Clarostat E by and Holyoke- Nothino but Wiucharger Corp., Sioux City, Iowa the hest. wind- driven battery chargers and an-- SEND FOR CATALOG NOW READY! tennas. Export manager is A. A. Licensed, By Agreement with Electrical Bese :ire]) Products, Inc.. Under Patents Owned or Controlled Stewart. By Western Electric Co. and Americas Telephone and Telegraph Company. Wind Impeller Electric Works. Ells- REGAL AMPLIFIER MANUFACTURING CORP. worth, Iowa -wind electric power 014 WEST 17th STREET CO* add.rss NEW YORK CITY plants. Xmnromnp" I) December, 1937 7)l DISPLAY PLUS BOOKLETS

and an instruction book on how to MIRACLE TONE BILLBOARDS hook up record -players. * A good - looking girl, listening For special use at Christmas is an with complete satisfaction to her enormous full-color enlargement of a radio, has appeared on a series of bill- Sat. Eve Post ad showing the singer, boards being used by Emerson distrib- Richard Crooks, and his family listen- utors throughout the country. The ing to a phonograph, RCA Victor has large signs show a "Miracle Tone also issued a special leaflet on chil- Chamber" model reproduced in full dren's records for holiday use. colors, along with the young lady, All this ties in with the fact that against a black background. This the firm has tripled its promotion ex- stunt supplements the company's na- penditures on records. The new cam- tional magazine ads, local newspaper paign includes feature comic strip ads, copy, and other sales helps. transcribed programs, dance music broadcasts in New York, the regular RCA Magic Key program on Sunday afternoons, RCA ads in 66 newspapers NO SQUAT SANTA of 44 cities, and a series of ads in A batch of Christmas sales aids for national magazines. dealers has been issued by Philco, featuring the figures of a "No Squat" Santa Claus and a Kris Kringle of yes- CUSTOM -BUILT ANGLE teryear in a squatting position. Be- sides a life -size window display, litho- IN FLOOR DISPLAY graphed in 11 colors, there are window * A floor display which sports streamers, shoppers' memo books, sales some new color combinations and messages in telegram form for pros- which has an individualized message pects, and a 4 -page rotogravure with has been released by General Electric dealer imprint. Co. The dealer's name appears in brilliant chrome letters and the only other words on the display are "presents General Electric radio," so that FOR NOISE ELIMINATORS the custom -built look of the thing is * Suitable for windows, counters accented. or to be hung on the wall is a new The display is 7 ft. high and 12 display card designed to sell the line - ft. wide, has a new arrangement of from noise eliminators of Aerovox Corp., 70 wine- colored drapes and will show 7 Washington St., Brooklyn, N. Y. In radios. Table models are spotted at bright yellow and black, the card eye level, an armchair model goes on shows the electrical appliances which the floor. Colora used are dubonnet, Atol cause radio interference, along with a oyster -white and chrome, and special lighting floods the Touch Tuning Precisely string of appropriate eliminators. so. for _XEROXl DX has listed Elastic bands are provided so that ac- feature. a matched condenser replacement for every tual units may be fastened to the card, popular set t A (Atwater - and actual -size illustrations of the * issued by Hammarlund Mfg. Co., Kent) to Z (Zeniths and everything between. merchandise come into view as the 424 -438 W. 33rd St., New York City, units are sold and removed. is a new '38 catalog of 15 pages, with Each AEROVOX Exact -Duplicate lte- complete descriptive material and spe- placeu,eateondenser precisely matches cial illustrations on midget condensers, the initial set egnipmeut-physically, DISPLAY AND DEMONSTRATION transmitting condensers, micro con- electrically, visually. densers, plug -in coils, coil shields and SERVICE FOR RECORDS sockets, R.F. chokes, I.F. transformers, Such a servicing job fits right, works trimmers, padders, Super Pro receiv- right, looks right. The customer is * To attract prospects and to aid ers. All essential dimensions are given bound to be satisfied. the record dealer in making lively demonstrations, RCA- Victor for the parts listed in the booklet. Aud an AEROVOX has announced Exact- Duplicate a 6 months' display service. This is Replacement usually costs less thtu, built around a "Record- Player Dem- * Hygrade Sylvania Corp., Em- u corresponding hatch of standard onstration Kit," which includes mats porium, Pa., have issued a brand new units taped together. for local advertising, window stream- Technical Manual. The booklet is still ers, counter and window display cards, in pocket size, but considerable mate- 15 special demonstrator records, 6 rial has been added and the whole Ask.... packs of needles, 300 customer leaflets volume thoroughly edited. your jobber -o r write us direct - for copy of latest N catalog with list- `."7:h ?b3'del/.L V,a6.4e " ing of exact dupli- cates.

J44 CORPORATION INTERNATIONAL RADIO CORPORATION. ANN ARBOR .MICHIGAN, U.S.A. 70 W=110191 2 St Brooklyn. N. Y. IN CANADA, AEROVOX CANADA. L,.R,d flamm,,, O..

52 Radio Today * McMurdo Silver Corp., 2900 S. Michigan Blvd., Chicago, have issued 3 new pieces of free literature. These SAVE include a general circular, a 20 -page "Magic Carpet" bodklet on the Master- MONEY piece VI, and an 8 -page booklet on the "15 -17" receiver. BUY DIRECT FROM THE * Stancor's third edition "Haman - ual" is now available from Standard MANUFACTURER Transformer Corp., 850 Blackhawk St., Chicago, Ill. In a special manner, this This is only one 40 -page booklet presents 16 amateur example of our values transmitters, with circuit diagrams drawn in blueprint style. It also in- HEAVY OUTY ALUMINUM BAFFLE cludes data and charts on transform- HORNS WITH SPECIAL STEEL BACKS ers, coil construction, etc. For 8" Speakers $2.70 net (Spun of " 10" 2.94 " 418 Gauge * The line of stampings produced " 12" " 3.18 " (Aluminum by Zierick Mfg. Corp., 385 Gerard Ave., New York, N. Y., is illustrated in a GIANT HORNS 33" long, for use with No. 14, 12" Speakers, spun of 14 gauge aluminum, Mort Duff, advertising chief at Win - catalog, entitled "Automatic charger Corp., finds it easy to pro- Stamping, Wire Forms, Dies, Cadium useful for all outdoors-$8.53 net. mote the firm's new '38 6 Plating, Nickel Plating, Hot Tinning." deluxe -volt Stampings are shown actual size. Ad- RA010 AMPLIFIER LABORATORIES spe- charger. ditional dope will be furnished engi- cialize in the manufacture of custom * Free to those writing to Freed neers and samples will be furnished built equipment. Our complete machine shop and laboratory facilities, headed by Transformer Co. at 100 6th Ave., New promptly. a engineers and mechanics en- York City, is a new 1937 -38 catalog group of * "Woven Fabric Radio Dial Belts" ables us to fill all your needs from a listing 17 kinds of transformers, along is the subject of a new booklet offered to an elaborate high powered with chokes, light dimmers, I.F. coils, "GADGET" free by J. F. D. Mfg. Co., 4111 Fort multi -input rack mid panel system. PA components, etc. Hamilton Parkway, Brooklyn, N. Y. * A catalog listing a full line of MANUFACTURERS OF: Amplifiers, stands, * Listing a long series of items brackets. horns. baffles, trumpets, elec. test equipment ranging in dealer gifts, a new hol- suitable for Christmas ironic equipment, special cases, etc. prices from $4.10 to $14.10 will be sent iday catalog, No. 70, has been released free to those requesting it from Su- by Wholesale Radio Service Co., 100 Send for Catalog. perior Instruments Co., 136 Liberty Sixth Ave., New York, N. Y. Its 40 New York St., City. pages are printed entirely in rotograv- R A D I O * A descriptive folder and instruc- ure, and illustrate such items as elec- AMPLIFIER tion manual on Hy -Tower wind charg- tric trains, chemistry sets, mineralogy LABORATORIES ers has been published in Spanish, sets, structural steel sets, etc. Copies along with the English edition, by are available from main office or any 59 Walker Street Parris -Dunn Corp., Clarinda, Iowa. of 6 branches.

Raw YOU TOO CAN HANDLE THE ONLY COMPLETE '7he ik/ -'axassd PACIFIC 24se! F l'i/V'CO "GAS-O-LECTRIC POWER PLANT New LINE Choice TIME NOW FOR Terri- POWER PLANT tories t Now SALES ! Here is an exclusive dealer-jobber Open! line of portable electric light. RED TOP power and battery - charging plants. COMBINATION A.C. -D.C. priced for quick sale and big profit. PINCO" combination AC -DC and POWER PLANT DC RED TOP and GOLD CROWN Export Requirements Are Not New To Us . . . heavy duty power plants are a necessity for millions of farms,homes, industrials, etc., where "city" elec- For TEN years we have made thousands tricity is not available. Provide in- of export sets under many different brands. stant power for lights. radios, elec- Write or These sets have proved very satisfactory in trical equipment and appliances. all foreign countries. Now, we have decided Now is the time to cash in on this CABLE to export our receivers directly under our waiting market. Write for litera- own PACIFIC Brand, and to establish PA- ture and discounts. forComplete CIFIC Distributors in all the principal foreign countries. PACIFIC Radios are quality in- One Line for Information struments, well constructed, competitively 'priced. A complete line of all types and Every Requirement and models, with or without PUSH - BUTTON "PINCO" -the only complete power TUNING, covering all waves, all voltages, Plant line! Full price range; 100 to Catalog! climate sealed, RCA licensed. The EXCLU- GOLD CROWN 2000 watts: alternating or direct SIVE AGENCY for our products presents to current: air or water cooled: re- you a truly unusual opportunity for profit. HEAVY DUTY mote control: filter and ignition POWER PLANT shielding: push button starting. Deportment E.port PIONEER GEE -MOTOR CORPORATION O ept. No. R -2L, 466 West Superior Street, Chicago, Illinois PACIFIC RADIO CO. Please send me complete Information on: "RED TOP" D "GOLD Converters 4611 Ravenswood Ave. Chicago, III., U.S. A. CROWN" Dynamotor, Name Coble Address " PARAD" Chicago Address City State

December, 1937 53 DISTRIBUTORS

* Universal Radio Supply Co., Louisville, Ky., distributors of Ken - Rad radio tubes, held a dealer and servicemen's meeting recently at the Brown Hotel in Louisville. More than 150 dealers and servicemen attended. ;;.,.. E. V. Kesheimer, R. W. Fields and Curtis Hammond of the commercial ie4t engineering department of Ken -Rad delivered talks. * At the Wilks Distributing Co., 720w RADIO CLUB CHAIR Jackson, Mich., the jobbers for Spar- ton announce that they have added The Easy Chair that performs 1000 Crawford Electric ranges and Gil - niractes of conforts conveniences barco oil burning equipment to their - lines. The firm's new personnel in- * Completely equipped bar. cludes M. S. Wilkinson, president; * Magazine and newspaper rack. Edna J. Wilkinson, vice -president, * Concealed desk or game board. and F. G. Smith, secretary and * Equipped with genuine Philco treasurer. Radio. * Space for telephone, electric clock, etc. * After Dec. 1st, the Radio Parts and built-in for compartments Co., Inc., Madison, Wis., jobbers for many other Fada, will occupy larger and more items centrally located quarters at 326 W. Gorham St., according to word from MODEL 10 -A general manager A. W. Satterfield.

* Tom Milligan has been added to the sales staff of Southern Radio Supply, Little Rock, Ark., jobbers WRITE US FOR MORE DETAILED INFORMA. who are doing a job of Pacific sets TION- DISTRIBUTOR DISCOUNTS APPLY Ken -Rad and Tung Sol tubes. Mil- ligan will work principal towns in GENERAL PRODUCTS CO. Arkansas. Recently added lines at 1801 FANNIN ST. HOUSTON, TEXAS A COMPLETE LINE OF the company include Aerovox condensers, Thordarson transformers, Webster- Racine amplifiers, Oxford speakers and others. WORLD'S FINEST! WIND ELECTRIC PLANTS PERMANENT MAGNET * Anchor Lite Appliance Co., the Pittsburgh, Pa., jobbers for Crosley, LIST PRICE AND ELECTRO- DYNAMIC have opened a branch at 16th and 6 VOLT Main Streets, Wheeling, W. Va., with Syy5o M. H. Marshall in charge. Accord- ing to Harold W. Goldstein, Anchor 32 VOLT Lite general manager, the new offices iiLstotirp IOWA .new will be headquarters for the Direct Drive 5 territory recently assigned to the $14 MODERN It EAL news for the "PROFIT - company: 34 counties in southern MINDED" jobber. Cinaudagraph, Pennsylvania, northern West Vir- EFFICIENT ginia, western Maryland and eastern - watt world's Outstanding 150 one of the largest manufac- Ohio. 6.volt and 6S0 -watt 32 turers of permanent magnet speak- volt giant. Protected, b eau titled and air-cooled by streamlining. Metal ers, a announces complete line of propeller. Built of metal throughout. electro- dynamics. The universal ac- ALSO... ceptance of the Cinaudagraph p.m. LARGEST speaker, in addition to a progres- WORLD'S sive merchandising campaign, will WIND ELECTRIC make the Civaudagraph speaker POWER PLANTS! franchise a very valuable one in- DIRECT DRIVE deed. NO GEARS Stock up now and be prepared /a; to do a real job with

C1NAUDAGIIAPH 1200,2400,5200 5305 Available in a complete line from 5 to watt and 32 and \ 11 18 ". Descriptive catalog sent on request. 110-volt. Auto- to matic Controlled. 780 Gives complete electric light and power service free from the wind for farms and ranches. Built to last a CINAUDAGRAPH lifetime. Will charge the largest storage batteries. CORPORATION Dealers write for this complete Wind Electric Line Franchise. Speaker Div., STAMFORD, CONN. WIND- IMPELLER ELECTRIC WORKS Export Div., 100 Varick St., N. Y. C. To sales manage the jobbing division of ELLSWORTH, IOWA, U.S.A. Meissner Mfg. Co., Walter F. Marsh.

5 1 Radio Today * On his annual visit to the U.S. is Charles E. Forrest, managing director of radio and appliance distributing houses in Sydney, Melbourne, 1 Adelaide and Brisbane, Australia, and in Auckland, New Zealand. Mr. Forrest is again lining up products Radio's finest tubes for distrihution in these markets, plus radio's fairest _ equipment deal spell double profit to you. Ilke,v4k) Get the facts! Chassis Cradle PREVENTS DAMAGE - HOLDS CHASSIS IN ANY POSITION Only $4.85 at your distributor Holds any make or model radio chassis in desired position for testing, aligning, repairing, replacing parts, etc. Clamps hold chassis in vise -like grip. Prevents danger of Charles E. Forrest, here from accidental damage to coil assem- tralia and New Zealand. blies, tubes, etc. Allows both hands to obtain the WORLD'S free for work. Puts repair jobs on and will consider connections with FINEST SHOP EQUIP- a production basis. Is very desirable American or Canadian manufacturers for displaying radio chassis. Made who need representation in Australia MENT at almost no cost of steel -- cadmium plated. Order to- or New Zealand. He will be in this day through your distributor. country until the end of March, 1938. to you ... and is to he addressed at Interna- ACRO TOOL & DIE WORKS tional Forwarding Co., 431 S. Dear- horn St., Chicago, Ill. 1202 West Grand Ave., Chicago, Ill. This coupon DISTRIBUTORS GANG UP will bring com- ON WINCHARGER ORDERS plete details of * Following the announcement by Wincharger Corp. of a new merchan- the sensational dising plan which allows johhers to offer a prompt supply of wind electric equipment to dealers, a series of or- ARCTURUS ders for carload lots rolled into the Sioux City, Iowa, headquarters. Dis- EQUIPMENT tributors got together in an attempt to cut freight costs. DEAL... According to W. W. Watts, a num- her of changes have been made in the wind- charging merchandise itself. Sim- plicity of construction is featured and other developments include: 1. The strain on the tower and on Maing the propeller, as well as the load on the generator is lessened as the wind rate goes over 30 mi. per hour. 2. The size of the mounting feet has been doubled. bud 3. A greater part of the assembly process is done at the factory. 4. Shipping procedure has been simplified. 5. The tail vane never swings out of the wind. ARCTURUS RADIO TUBE CO. 6. Heavy metal stampings and an Newark, N. 1. electro-welding process replace the use RADIO BELTS Without cost or obligation an my port, FABRIC of castings. More than half a mill ion modern radio sets now in use 7. The new product is hacked by send details of your new equipment deal. are equioped with Woven Fabric Dial Belts... Every one exhaustive tests at the University of of these, sooner or later, will require replacement and Name this replacement will be repeated again and again. Michigan, where the wind tunnels and The Fibre Board Display Kit illustrated contains 300 the electrical lahs were used by Win - Street assorted radio d ial belts exactly the same as originally charger. used on Zenith, Emerson, Grunow, Spartan, Crosley, R.C.A., Fada, Strombero- Carlson, Detrola, Silvertone, (Sears, City State Roebuck), Airline (Montgomery Ward), and every * An "Appreciation Dinner" was other popular radio set manufactured. given recently in New York City by The attractive kit will last a lifetime and should be the sales organization of the RCA I am a dealer I am o serviceman prominently displayed by every jobber and distributor. Jobbers, Bruno New York, Inc., hon- Send for complete detailed schedule. oring Charles Sonnenfield, Irving My Jabber is J. F. D. MANUFACTURING CO. Sarnofl and Jerome Harris. Lou For your convenience, this coupon pasted 4111 F +. Hamilton Pkway, Brooklyn, N. Y. Roth and John West of RCA Mfg. Co. con be on a penny postcard. were also invited.

December, 1937 55 Akt

An Emerson jobber tosses a dinner-the North Coast Electric Co., Portland, Ore., is host to 20 members of the sales staff of Meier & MODELS Frank's Dept. store. Toastmaster Frank Paulson and guest speaker I2 -N Chas. O. Weisser made it a lively affair. Guests included Verne Miller, North Coast president; W. A. Hodecker, Meier & Frank's radio buyer; ANDI2 L. Stoller, F. N. Ashworth and Don Flynn. * Some 350 Arvin dealers from 25 counties of the state of Michigan were recently guests of the Grand These Instruments are the choice of DISTRIBUTORS Rapids jobber, Sherwood Hall Co., the receiver manufacturers. Ltd., at a big banquet- business meeting. Toastmaster was R. G. Hogan. First to read in microvolts and with * Shapiro Sporting Goods Co., Sherwood's general manager, who almost zero leakage. Newburgh, N. Y., are now distribu- presented the personnel of his firm Models priced from $27.60 to $51.00. tors for Roberts S Mander Quality and traced the success of the com- Write for complete technical data. gas and electric ranges, according to pany through 20 years of handling president Hyman Shapiro. Company Arvin products. G. W. Thompson, will handle the entire Hudson Valley vice- president of Noblitt- Sparks In- 77Zonah.c4 MANUFACTURING CO. and also the counties of Rockland, dustries, was the featured speaker. 3341 BELMONTAVE., CHICAGO, ILL. Orange, Putnam, Sullivan and Ulster. appearing with important remarks on CABLE ADDRESS "MONNACO" Shapiro has planned large dealer time payment selling and the signif- meetings to show the line. icance of proper display.

FOR tt YOU OW HERE Finest Quality Lowest Prices Biggest Profits! ir is Foreign Distributors

Write or CABLE for rRIDER good territories EVERYTHING still available BOOK Just as You Want it! He ro offers a complete selection of 25 Receivers, 5 to 14 tubes. Export Before assembling Volume VIII we asked Models for all wavelengths, all currents. Finest quality parts and work - VIBRATOR POWER ma Ono ... available with PUSHBUTTON AUTOMATIC TUNING . all servicemen WHAT they wanted and HOW newest features . R.F. Stage on all bands. Superpowerful. Extreme SUPPLIES they wanted that information arranged. Sensitivity and Selectivity . . . Write for FREE catalog and prices. by Garstang and Rider RIDER MANUAL VOLUME VIII New AUTOMATIC TUNER is becomes increasingly Available! JUST OFF THE PRESS important that servicemen gives you the servicing mare complicated 1938 have the information on data you need- simpli receivers. This is In ad- Vibrator Supply Systems lied and standardized. ditian to the complete information on the sets in this which is contained Included with Volume al over 100 manufac- book. 280 Pages -Pro- VIII is a special EXTRA turers- 1650 pages of section entitled, facts fusely Illustrated S 00 "Hew indispensable -and It Works." Covering oper- the Is the same as -Hard Coven price ations peculiar ta the last year. Converts any Superheterodyne to a PUSH -BUTTON Automatic Tuner Model. Doubles your profits. Only 3 wires to connect. Write for details. JOHN F. RIDER Publisher HETRO ELECTRICAL INDUSTRIES, Inc. 1440 BROADWAY 4611 Ravenswood, Chicago, U. S.A. Cable "HETRO" New York City

56 Radio Today * More than 1,600 members of the metropolitan trade were the guests of the Wholesale Radio Equip- ment Co., Stewart-Warner jobber in New York, on Sunday, Dec. 5th, at the formal presentation of the new 1938 Stewart-Warner refrigerator line. This dealer gathering, which was one of the most successful ever held in the refrigerator industry, took place at the International Casino in New York, the world's largest and newest night club. Morty and Sam Salzman, the popular heads built on a tubular condenser of the Wholesale Radio Equipment Co., bought out the famous night Small, but mighty impor- club for a period of six hours and gave a refrigerator presentation and tant. Twenty -eight years floor show which made history in the of engineering experi- local trade. Among the Stewart - Warner executives who were present ence and research are were Frank Hiter, vice -president and general sales manager; John F. Dit- incorporated in the de- zell, radio and refrigeration sales sign and manufacture manager, and Hays 11acFarland, president of the advertising agency of the small C -D paper bearing his name, in charge of the tubular condenser. No Stewart -Warner advertising program. wonder they far excel, * Already listed among the outlive and outsell all quota- makers in Philco's contest among distributor salesmen on 116xx others. Described in detail in models are R. J. Carter, Piedmont Catalog No. 151A free on request. Hardware Co., Danville, Va.; George Seely and L. F. Hague, Casper Sup- ply Co., Casper, Wyo.; K. E. Shire, Lofgren's, Moline, Ill.; E. C. Shire, CORNELL- DUBILIER Schmier's Radio Shop, Rock Island, Ill.; Harold Manuel, Wolfe Auto ELECTRIC CORPORATION Supply, Paris, Ill.; Charles Miller 1022 Hamilton Boulevard, South Plainfield, New Jersey and Reed Markham, Mathes Co., Fort Worth, Tex.; Hal Heaton, Mc- Kelsey, Inc., Saline, Kan.; Gregg Harris, Walther Bros., Montgomery, Ala., and T. N. Smiley, Thompson & Holmes, Sacramento, Calif. JANETTE ROTARY CONVERTERS * The new Fairbanks -Morse 1938 line of refrigerators, featuring the FOR CONVERTING DIRECT famous Conservador, was presented to the New York trade at a 4 -day TO ALTERNATING CURRENT "open- house" held the first week of Dec. at the Hotel New Yorker. Bruno - Built in capacities from 35 to 3250 volt amperes New York, Inc., Fairbanks -Morse re- -with or without all wave filters. Dynamotor con - frigerator jobber in New York City, struction -economical to operate -ruggedly built sponsored this very successful gath- for years of trouble -free service or recom- ering of dealers throughout the ter- -used ritory. Parker Ericksen from the mended by the largest manufacturers of sound factory at Indianapolis spent several apparatus -in use in all countries of the world - days at the meeting, and Henry Bear, Send for prices and data. the company's sales representative in this territory, cooperated with the jobber throughout the 4 days. 556-558 Vest Monroe Street, ehicaga,11L.'U. 5.31. * A. M. "Bob" Roberts, formerly BOSTON -NEW YORK-PHILADELPHIA- CLEVELAND -MILWAUKEE- LOS ANGELES a field salesman for the Crosley job- DETROIT- SEATTLE bers, Chanslor & Lyon Co., Fresno, Calif., has been recently named sales The New ALLMETER for Rapid, Accurate 'Measurements manager for the firm's northern Cali- fornia area. The company has named 27 INSTRUMENTS 11V 1 these new California dealers for Cros- Operates on 90 -130 volts -60 cycle operation ley: Home Appliance Shop, Reedley; The ALLMETER, with 1,000 ohms per volt sensitivity, Just Furniture Co., Dinuha; Rusch- is a multi- purpose tester accurately measuring A.C. and D.C. volts and currents, also capacity decibels, anpt's, Fresno, and Hanford Furni- resistance and inductance. It features: ture Co., Hanford. 0 -15 Volts A.C. -12 to +10 Decibels 0.150 Volts A.C. -1-8 to +30 Decibels 0 -750 Volts A.C. By Interrolation * In the Sacramento and San 0.15 Volts D.C. X28 to X50 Decibels . O -150 Volts D.C. Francisco, Calif., territory, the Stew- N0 -750 Volts D.C. By Interl'olation art- Warner refrigerator line will now 0 -15 Milliamperes A.C. Inductance. 0 -150 Milliamperes A.C. 3 -1,000 Henries be distributed by Thompson & V.T.V.M., 0.15 Volts A.C. 0.750 Milliamperes A.C. 0.150 Volts A C. 0 -1 Milliampere D.C. V.T.V.M., Holmes, Inc., 2701 16th St., San 0 -750 Volts A.C. 0 -15 Milliamperes D.C. V.T.V.M., .- V.T.V.M.. 0.15 Volts D.C. Francisco, according to a Chicago - - 0 -150 Milliamperes D.C. Volts D.C. -the 0.750 Milliamperes D.C. V.T.V.M.. 0.150 announcement by John Ditzell, SW for complete technical details on ALLMETER Volts D.C. and other SUPERIOR TEST INS77RUMENTS Continuity Tester V.T.V.M.. 0.750 refrigerator sales manager. This write for catalog RT -7. .01 -50 Mid. prominent is 03.500 Ohms $1040 jobbing firm headed by ORDER DIRECTLY FROM THIS ADVERTISEMENT! 500 -500.000 J. W. Holmes, president; C. A. Shar- Ohms rah, vice -pres. and general manager, U. LRT. and Robert E. Crane, secretary. SUPERIOR INSTRUMENTS COMPANY New York. N. Y. December, 1937 57 SELLING INTERCOMMUNICATORS * "Wireless" intercommunication systems have presented a very special sales problem. Past experience in developing such sales, according to Jo- seph S. Klein, franchise director of Radiofone Corporation, 136 West 22nd Street, New York City, has revealed " R the need of special treatment. Jobbers and dealers have discovered. to their dismay, that each system sold required AUTO "special handling." Installation prob- RADIO lems arose, bridging was necessary, extra condensers had to be used, carrier CONTROLS cables had to be installed. In short, selling the system was the least part of the problem. The real NEW -NEW job (as well as the cost to the con- -1938 sumer) began after the systems were FOR IMMEDIATE installed. In a majority of cases such CONTROLS DELIVERY systems required servicing to insure THE ONLY CONTROL WITH reasonably good performance - work done at the dealer's expense, which ALL RATIOS -SELF CONTAINED more often than not wiped out the profit on the sale. SIMPLEST OF ALL TO INSTALL "The fault," continued Mr. Klein, 100% Universal For All PaneljOpenings "all goes back to the manufacturers- who have been either manufacturers of MATCHED radio receivers and who treated inter- 19 3 8 ESCUTCHEON PLATES communication simply as a sideline, EDGE ILLUMINATED -GLASS DIALS or irresponsible concerns who treated intercommunication as a stepping stone to promoting stock and other financial ventures. "The Radiofone Corporation, from the first, took cognizance of this situ- tlie Xeade71 ation and built its organization accord- ingly. Technicians skilled in elec- Streamlined to "dress up" all tronics and sound engineering from automobiles, WARD leads this country, Hungary, Germany, De Soto 1938 France, Rumania and Canada were again with brilliant new aerials, brought together. A modern labora- featuring Mol- en -ac, a new tory was equipped and exhaustive re- white metal that cannot rust. search and experimentation over a long period of time ensued. Field work WARD aerials are easy to in- supplemented the laboratory. stall; fit any car, and add power "Ultimately a number of important discoveries were made, new principles Cnry,le 938 Chevrolet 1938 to the reception of any radio. developed and a series of wireless systems evolved which withstood every test applied to them." The QUINLAN at left) Mr. Klein then described a demon- Model QR -a streamlined stration of the multiple, selective, side cowl aerial, telescopic "Wireless" Radiofone given on Oct. in two sections. Extends 27th at the headquarters of Com- from 28 to 49; inches. the Plymouth 1938 Dodge 1398 pany in the presence of the press, en- Patent No D106,487. gineers and merchandisers, including SPECIAL OFFER FOR One of the many new PHILCO DISTRIBUTORS Ward side cowl antennae. representatives of Canadian engineering companies. SEND FOR BULLETIN 381 "During this demonstration the Radiofone multiple selective wireless system, comprising one master and five STAR MACHINE MANUFACTURERS, INC. remote stations, was plugged into elec- BRONX. NEW YORK trical outlets at distances varying from 1371 EAST BAY AVENUE

SELL Moderate -Cost Th.STATESMAN(nght) Model ST -a owe Ward Automatic Combinations top aerial. Top bar ex- cnstomers can afford -and get tends from 21 to.3S', AVERAGEwonderful buy in automatic playing inches-Cowl bas tele. radio- phonographs that - are equipped with scopie, fits all ears. No General Industries record changer units. Superior reproduction. Depend- drilling in top. Patent able, trouble -free record changing. . Go after this large and still com- Umbars D1O6.046; paratively untapped market. Sell popular- priced sets with this equipment. D106,049; D106,922 Have You Made Your Tests? Model 'L" changer unit shown above combines motor, turntable, pickup. WRITE FOR ILLUSTRATED CATALOG record changer. Compact, easily Installed, Changes eight 10 -inch records or seven 12 -inch. Other models for choice. In ordering. please specify exact voltage and frequency of current you use. 7hQWARD PRODUCTS eozp. ENTERAL INDUSTRIES CO. 3738 Taylor Street. Elyria, Ohio WARD BUILDING CLEVELAND, OHIO

58 \ Radio Today UNIVERSAL MICROPHONES ... rugged ... modern ... dependable Crystal Hand Model New hand -type for amateur. p.a.. sport events, etc. Output - 65 db. 11)esk holder ß2.5O.1 All crystal models Under patent of Brush Development Co. List Price $22.50 With t0 ft. Cable

If you want that velvety, easy, silent twist of the V. C. knob, then Air Velocity Latest in scientific it's CLAROSTAT for you. The development and re- f loement. Wide latest development in carbon ele- range corrugated ribbon and newhlgh ments, a newly designed contact shoe, flux alnico magnets. and an alloy based on years of re- Very latest transformer with double rolls. All search, provide a new conception impedances. 1 rib. from sd to of 12,000 ryrtes. how good a volume control can be. List Price $44.50 joseph S. Klein of Radiofone Corp.t With 25 ft. cable and plug N. Y. C., goes to market with new Let's Prove It! wireless interphones. Crystal Stand Model Especially made for stage or or- Don't waste tittle on loose violins. Jost chestra where mike should be try n CLAROSTAT for yourself. Mean- 50 to 1,000 feet on different floors of mounted on floor or desk stand. Output - 63 db. (Desk mount while, ask your ,jobber or us for that the building and from points in a ii 50.1 new CLAROSTAT (3OS page) Service- building around the corner on Seventh List Price $22.50 Manual. It'.s free: Avenue. Both master and remote sta- With 10 ft. Cable tions demonstrated their selectivity and efficiency by operating perfectly from all points." CLA R.OSTAT Subsequently, on Nov. 1st of this New Dynamic MA\IFAf.T1-liI\(ìC11. year, Mr. Klein arranged a demonstra- 100% Satisfaction cl° Inrorporsued tion at the New York General Electric fufosul or 100% Refund 2115 North Sixth Sl. Supply Company with engineers and merchandisers of the company in at- Self enetgizing. Not affected r Itrooklvu. N. Y. Daring test the Radio- by heat or climate. An tendance. this amazing sound development. Pone multiple system was once again Impedances 33 or 50 or 200 put to every practical and engineering or 500 ohms; also high im- efficiency. pedance direct to grid. Tre- test to determine its euency response 90 - 8000 (f. P.6. Output -58 db. List Price $44.50 * Charles E. Stahl, former vice - With 25 ft. Cable president and general manager of the Arcturus Radio Tube Co., New- N. was elected president of ark, J., For two way the company at a board of directors communica- CAL -FON 1. new tion. Inter - meeting held Dec. In this studios office capacity Mr. Stahl also retains the to office. factory. house to general managership. J. A. Stobbe garage. Hun- was elected a vice -president and Jack dreds of other uses. Simple Geartuer was appointed sales man- to install. ager in charge of all sales, including Modern. Any number cf export. Phones on same line. List $15.00 per Station * David E. Bright, president of the Pioneer Gen -E -Motor Corp., Chi- Handi -Mike was a to New Single and double button. Rugged. cago. recent visitor Damped scientifically. Gold contact York. calling upon manufacturers faces. Single button. Output level - and jobbers. He only returned a few 40 db. Double button. -55 db.. both Everything you need in radio. ICs all turd. G ft. cord. in this new RADOLEK RADIO PROFIT weeks ago from a very successful trip List Price $10.00 GUIDE. Every repair part for every re- through the Southwest. where he vis- SINGLE BUTTON ceiver. Newest radio receivers. New 1938 ited the company's customers accom- model public address amplifiers, outputs panied by Bob Campion and Joseph List Price $15.00 for 5 to 100 watts. New model public ad- DOUBLE BUTTON dress speakers. Test instruments. Technical Muniot, Pioneer representatives. books. Special equipment. Leading standard brands. Every item guaranteed. It * Announcement Is made by Ribbon Microphones must be right or we make it right. Lewis M. Crosley, vice-president and Self energizing. No polarizing volt- And everything under one roof. You get age. Plug in and use it. Semi - what general manager of Crosley Radio directional. Distant pickup. No feed- you want promptly, and exactly what back. High impedance direct to grid. you want Radolek's immense stock plus Corp., that J. R. Craig has been ap- also all older impedances. Can be Radolek's efficient organization insures you pointed assistant to R. H. Money. Used on amplifiers of not less than fastest service. 25.000 service men depend 65 dh. gain. lnrinding 10 R two- on this service and benefit by Radolek's chief refrigeration engineer of that. conductor cable. Radio Profit Guide. It will help you make company. Mr. Craig will supervise List Price $22.50 more money. production processes and product List Price $24.25 ----RADOLEK---- quality control. With Plug * Frigidaire Division of General ALSO . Two button lapel models; ce-er:1 601 single and double button carbon models. condens- W. Randolph, Chicago, Dept. D -14 Motors Corp., Dayton. Ohio. reports s. airplane and police car models. stands and e scorles. Also (Recording Division) 5 models of Send me the 1938 Radnlek Radio Profit Guide FREE that just as some 7.000 U.S. dealers n, ording machines discs. needles and acce.sone,. put on display the new 1938 Frigid - Microphone Division Name aires, they were supported by an ad- Address vertising drive double that of any Universal Microphone Co. 424 Serviceman ?n Prole, fn i: r nl,nt er previous pre -Christmas schedule used Warren Lane, Inglewood, Cal. by the company.

1_937 59 New "PRECISION " /Vaw "PRECISION" TRADE FLASHES ELE C TRON OME TER SERIES840L SERIES 700 UTAH NAMES NEW EXECUTIVES * G. Hamilton Beasley, president of the Utah Radio Products Co., Chi- cago, announced this week that at a meeting of the board of directors held on Nov. 30th E. L. Barrett had been elected vice- president in charge of development and research engineering and William Dumke vice- president in charge of production. Mr. Beasley also announced the ap- pointment of Oden F. Jester as general sales manager of the company; Austin Ellnaore as chief engineer; H. S. Neyman as secretary, treasurer and office manager, and John AC -DC Volt. Ohnr- Decibel- Mltliammeter A complete laboratory of compact sizee for Burres as purchasing agent. Mr. thorough tube analyzing and point to point Burres returns attel several years' including a set testing incorporating 22 ranges for meas- absence to the position he formerly 2500 VOLT A. C. and D. C. RANGE urements of A.C. and D.C. voltages. current. and a 1000 M.A. RANGE resistance. decibel and output: paper con- had at Utah. All of the personnel Specifications denser leakage tests: current leakage of in Mr. Beasley's an- mentioned 5 A.C-D.C. VOL- 5 electrolytic condensers and other important have been identified with OUTPUT RANGES features. See it at your robber. nouncement TAGE RANGES from 3 R E S I S TANCE Utah activities for a number of 0 to 2500 volts at 1000 RANGES from 0 to 10 years, with the exception of Mr. ohms per volt. megs. (provision for self - contained batte- Jester, who assumed his new posi- 4 D.C. CURRENT ries). tion on Dec. 6th. RANGES from 0 to I 5DECIBEL RANGES amp. from to plus of 'PRECISION' However, Mr. Jester needs no in- -I0 63DB owners es to 600.1hela Net price less batteries FREE 500 or troduction to the radio industry, for Obese inslru- and test leads $19.95 EEECIRONO N OOK he has been identified with radio and lot use Write for catalog listing complete line of tube chart ours. 20 been lot 7 allied fields for years, having "PRECISION" TEST EQUIPMENT mente. Wr11e sales manager of the radio division of the Stewart- Warner Corp. and an executive in other well -known organ- PRECISION PRECISION izations. APPARATUS CORP. APPARATUS CORP. On Dec. 1st Mr. Beasley gave a 821 EAST NEW YORK AVENUE 821 EAST NEW YORK AVENUE dinner at the Union League Club in BROOKLYN, NEW YORK BROOKLYN. NEW YORK Chicago to all of the new Utah officers, the heads of departments and Photo shown is Type 540P ... Net Price, $21.95 the members of the sales organization, at which Mr. Jester was presented to his new associates. Among the out -of -town guests was J. B. Price, eastern sales representative ANTENNA for Utah since 1930. * Board of Directors of RCA Mfg. Co. has named three new vice - presidents, and has increased the re- Tli IA Ii sponsibilities of another: Henry C. P- A CABLES Ronfig, formerly sales manager of package goods, is now commercial The Radio Tube vice- president; Frank R. Deakins, that formerly sales manager of engineer- Gives HOOK -UP ing products and RCA photophone, has been elected vice- president and WIRES will continue to head the same activ- SATISFACTION ities; Robert Shannon, formerly vice - TRIPLE CHECKIZ ) FOR president in charge of manufactur- QUALITY ing, is now vice -president and general manager; Vance C. Woodcox, Used by Leading Set who has been a sales supervisor. is now a vice- president, succeeding Mr. Manufacturers and Bonfig as head of all package goods Preferred by Expert merchandising. * George H. L. Norman has been Servicemen. named chief engineer of Aerovox Catiada, Ltd., Hamilton, Ont. A PROFITABLE LINE TO HANDLE * Milton Rosenow, head of the engraving and printing company in Chicago bearing his name, died at Methodist Hospital, Gary, Ind., on TRIAD Friday, Nov. 26th. Mr. Rosenow, who was widely known throughout MANUFACTURING CO. the radio and music industry, was re- INCORPORATED Write for Compiete Catalog turning to Chicago after attending PAWTUCKET RHODE ISLAND the Fairbanks - Morse refrigerator convention at Indianapolis on Nov. Export Office: CORNISH WIRE CO. 16th, when causes unknown 16 W. 61st STREET NEW YORK through Cable: INCORPORATED his automobile was overturned and TRIMANEX be was picked up unconscious in the 30 CHURCH ST., NEW YORK CITY road. He is survived by a wife and The Quality Name in RadioTubes two Sons. III

60 Radio Today ONAN ALTERNATING AVEN CURRENT PLANTS operate AC RADIO, PUBLIC 1 5 09440 ADDRESS, SOUND CAR HISTORIES, and MOTION PICTURE CASE EQUIPMENT TO SPEED UP YOUR ERVICE WORK Get the world's greatest collection of "Case itlstorica'-la Ohlrards time -saving loose -lent RADIJ FIELD SERVICE DATA Book. Ohirardi tells you exactly which part in the set is causing the trouble-and how to remedy it! No fussing. no musing -you get straight to the seat of the trouble Instantly! But that's just Inc feature of the Data Book. You'll also get the id's of over 6.000 superhets (for alignment work). 66 Car -Wiring Diagrams, Auto- Radio inatallatim and ignition system Interference data for all cars, and over 25 other indispensable tables and charts for slum and Sob reference. This book Is William G. Bode has been named kept always up- to- the -minute by a regular Supplement Sheet Service. radio division sales manager for Get this bandy time-saver together with Obirardï s famous United American Bosch. 1300 -page MODERN RADIO SERVICING. which Cives a eon, - Plete comprehensive ofeverything modern radio service work latest These PLANTS supply electricity for * Edward B. Passow has been Test Instruments (their theory. Domestic and Commercial places named chief radio engineer for Fair- operation, construction, with diagrams. etc.). Trouble-Shooting. where current is not available. Op- banks, Morse & Co., home appliance Repair Methods. Noise-Elimina- erate Water System, Refrigerator, division, Indianapolis, Ind. For the tion. Auto-Radio Installation and Household Appliances. Servicing. AVC and QAYC Cir- past 3 years, Mr. Passow has served cuits. Aligning Superhets, etc.. etc. All "417 Essentiels" of suc- SIZES TO SUIT EVERY PURPOSE as assistant radio engineer for FM; cessful radio service work are ex- previous to that time his engineering plained fully -and illustrated! - Operate on Gasoline, Gas or Distil- in this amazing collection of prac- late. Sizes 350 to 50,000 watts, $110 work was with such firms as Bremer - tical servicing information. and up. Also 0, 12. 32 and 110 Tully, Brunswick -Balke Collender and These 2 books give YOU "the volt. whole works" -shop reference data DC Models. All Models furnished Wells Gardner. anal smiting knowledge yon, complete, ready to run. Write for i.ally have to have. Get them Details. eday-you can't lose! * Joseph S. Klein, sales and MODERN RADIO D. W. ONAN & SONS franchise director of the Radlofone SERVICING 586 Royalston Ave. Minneapolis, Minn. Corp., 136 West 22nd St., New York City, manufacturers of wireles inter- RADIO FIELD communication systems, is leaving SERVICE DATA BOOK for Europe on January 27th for an 1800 pp., 813 illus. S extended business trip. European Bofh Books for ... . engineers and power men are travel- ing from England, Sweden, France A REAL and Poland to meet Mr. Klein in London to discuss wireless intercommunication systems and arrange OPPORTUNITY merchandising programs for the con- tinent. While in Europe Mr. Klein may be reached through the Amer- ican Express Co. in either London Service Salesmen or Paris. * Apparatus Design Co., Little Rock, Ark., has introduced a new Rad. Centrally located national method of jobber sale. Under the Sc Tech. plan, firm will credit distrib- Pusl. Co.. distributor parts and pub- the the Dept PTO -122 utor for what he allows on a trade -in 15 Astor PI.. M.Y. lic address equipment, Ben Is 36 of an old tester of Confidence make. ' for Slodero Radio Servicing and Radio requires local representa- Field Service Data. with * At a recent meeting of the the Jan. and June '37 Sup- tives to solicit orders plements to the Data Book. Westchester (N.Y.) Gas & Electrical Send free literature. from dealers and service- Dealers Association, a special com- Name mittee was appointed to investigate Address men. Excellent oppor- the matter of group buying as a tunity for live wires. money- saving measure for members of the organization. The action was Service Must be familiar with lo- taken partly as a result of current .,, Y_ - with these cal service trade. Liberal laxity in enforcement of Feld -Craw- ford price regulations. Committee - "SPEED TWINS" commissions. This is a members are Ray Kline, White 'i'hey'li take you real proposition for go- Plains; Jack Cooper, White Plains; straight to the I. Donner, Rye; Edward Lowe, New trouble to any radio getters. Write full details, Rochelle; Milton Brodbeck, Mt. Ver- GADGETl set-quick as a flash! training, experience and non; Chester Wagner, Yonkers; Here's how they work: take up Charles Schwer, Tarrytown, and Har- LIGHTNING TROUBLE SHOOTER) Just background in trade. Your cadger. MAI L old Pascale, Peekskill. pick out the card marked for the Truble Symptom Tou NOW! At the same meeting, the nominat- and in the sack receiver: alp the card arnund-and there you'll see both the exact ing committee presented nominee of- TESTS to make and the REMEDIES. One ficers for the coming year: Jack for HOME and one for AUTO radios. Spot Box C -1 RADIO TODAY arec 650 different troubles. Sent postpaid Cooper, president; Edward Lowe, 1st anywhere on 5 -day TRIAL basis. vice- president; Harold Pascale, 2nd RADIO & TECHNICAL PURL. CO. 480 Lexington Ave., New York, N.Y. A PAIR vice -president; Ray Kline, secretary, 13005. 1170. 127, 45 Astor Place. New York and Milton Brodbeck, treasurer.

December, 1937 61 JIM TRADE FLASHES * The W. P. Woodall Co., man- agers and operators of the direct mail services of Radio Today, have QUAM increased their facilities and have DUOSOCKET moved to larger quarters at 152 (Patent applied for) Waverly Place, New York City. The company has added equipment, increased personnel, and three times its chat go former space to handle the steady increase in its volume of business. eastee;ta at ens in& theno SVec -aoa 3ioüe lost[ beta * Precision Apparatus Corp., 821 into radie Qert E. New York Ave., Brooklyn, N. Y., serinent pith betone ,with need ìt sans is now ready with the latest tube tort ae be O[belt Çeem ee checker charts, including data on all thers ante like the new tubes. These are available are n ae pore of tallow to all owners of Precision instru- este ulna ments. The company has recently Ti at cause he likes uabetup,n $od announced that the model 500 elec- g And onk, been badin soetns. trouometer has revamped, itn ho Theff totelse, brought up to date and now called ghats good to eakets M - model 500A. here for evloto bette at Q ° ing find thetaL * First of a series of promo- can tional efforts to be launched In the N New York area by DeWald Radio was a contest -survey among consumers on "What's Your Favorite QUAM-NICHOLS CO Radio Program -and Why ?" Al- 33rd Plate & Cottage Grove 1674 Broadway though the stunt was a local one, CHICAGO NEW YOH(( entries came from the South and Middle West and the total response was tremendous. Champ letter writer was awarded a DeWald model 1200 12 -tube superhet. Favorite program turned out to be Major Bowes' Ama- teur Hour, with Bing Crosby and Jack Benny fighting it out for sec- makes It posidhle to ond place. NOW use your electric razor, curling iron or any * Prize winners fu the recent other appliance at the sane time "Best Letter" contest sponsored by from the same socket as your light. Wholesale Radio Service Co., Inc.. Easily connected txith even the have been announced. W. E. McLain, smallest shades. thus eliminating Marshall, Mich., won first prize of unsightly cords. Ideal for bonzes, $250; Jack E. Bannon, Oil City, Pa., offices, stores, hotels, banks, fac- took second prize of $150 and Clin- tories. etc. ton L. Kinsey-, Independence, Mo.. was awarded third prize of $100. List Price 50e. If your JOBBER Fifty other awards of $10 each were cannot supply yon. send us your or- M1lodei 601) & 700 Model 500 awarded to those writing the next der direct. Some territory still open best letters on the subject, "Why I for Manufacturers Agents. Standard SHORT WAVE CONVERTERS Have Found the Wholesale Radio Discountsis to the trade. Service Catalog Valuable." Entries FOR CAR RADIOS came from all sections of the country. Judges were Joseph Reiss, pres- Can be attached to any car radio. Ras on and off ident of Reiss Ad. switch. Does not affect the reception ou the stand- Agency; Lawrence ard broadcast hands. MODEL 600-covets 19, 31, Cockaday, editor of Radio Netts, and HIRSH MANUFACTURING CO. 25, 20, 19 and 16 meter bands. Designed for re- Dr. O. H. Caldwell, former Federal P. 0. Box ,ult ception of American and Foreign short wate broad- Radio Commissioner and editor of cast. Especially adapted to use in tropical countries Okla bonia /'ily f)klabo:i and the more remote parts of taie world. Distance Radio Today. range 5000 to 10000 miles. A very attractive unit List Price $24.95 MODEL 700 -Long nave converter covers 135 to 410 Ac. Used in U. S. to receive government weather reports, ships at sea, etc , in cars and boats of the water front districts. Designed also tor use in Europe and Asia. Look for the Name MUELLER Lut Price $24.95 For Use of Pollee autel Other La.. WHEN YOU BUY YOUR CLIPS Enforcement Officers MODEL 100 -Police cmterl.r with fixed condet.+.r MADE TO LAST lovers 1500 to 2600 kilocycles. List F ice$11,95 Send for MODEL 200 -Police converter with variable con- LONGER denser and illuminated dial. Covers 1500 to 5500 FREE SAMPLES kilocycles. List Price $17.95 The Only and Catalog 980 MODEL 500 -Police concerter with two metal Complete Line tubes, variable condenser and illuminated dial. Very sensitive. Exceptional distance range. List Price $21.95 8 Different Sizes ' ' Copper o. Steel w. Insulated and Uninsulated ALL WAVE ANTENNAS -Model A -hinge Mount t rleseopic, 60 lu. long. List Price...... $3.50 JOBBERS AND DEALERS WANTED A B C RADIO LABORATORIES Clip Makers for 29 Years :L3.44 \. Sexe Jer.ey Street 1583 E. 31st STREET CLEVELAND, OHIO Indi:nia polis. ludi:uta. U. S. A.

Radio Today - TRANSMITT NG

INDEX

TO ADVERTISEMENTS

Page ABC RADIO LABDRATDRIES 62 ACRO TDDL & DIE WDRKS SS AERDVDX CDRP. 52 AMPERITE CD. 46 ANDREA RADID CDRP 1 ARCTURUS RADIO TUBE CO SS BURSTEINAPPLEBEE CD. 64 CANNON CO., C. F 64 CENTRALAB 43 CINAUDAGRAPH CDRP. 54 CLARDSTAT MFG. CD S9 CLDUGHBRENGLE CO. 51 CDNS. WIRE & ASSOC. CDRPS 64 CORNELL.DUBILIER CDRP. 57 CONO ISERS CORNISH WIRE CD. 6D CROSLEY RADID CDRP 41 CRDWE NAME PLATE & MFG. CD. 43 FREED MFG. CO., INC 49 GARDINER METAL CO 49 GENERAL ELECTRIC CD II Cover GENERAL INDUSTRIES CD SB GENERAL PRDDUCTS CO S4 HETRD ELECTRICAL INDUSTRIES, INC S6 HIRSH MFG. CO. 62 HYGRADE SYLVANIA CDRP 23 INTERNATIONAL RADIO CDRP 52 INTERNATIONAL RESISTANCE CD .. 35 JANETTE MFG. CD 57 J. F. D. MFG. CD. 55 KEN -RAD TUBE & LAMP CORP 2S KOOLRDDM DIV., INDIAN PRDDUCTS CORP. 19 MARCDNIPHONE, INC. 27 MONARCH MFG. CD. 56 MUELLER ELECTRIC CD 62 NATIONAL UNIDN RADIO CORP 40 NDRGE DIV., BORG- WARNER CDRP 2, 3 ONAN & SONS, D. W. 61 PACIFIC RADIO CDRP. 53 Reliable in PARRIS.DUNN CORP. 49 DRY PERMO PRODUCTS CDRP. 27 PHILCD RADID & TELEV. CDRP., SET DIV. 6 PHILCD RADID & TELEV. CORP., TUBE DIV. IV Cover PIONEER GEN E -MDTDR CORP ... S3 EVERY PRECISIDN APPARATUS CDRP. 60 GUAM- NICHDLS CD. 62 RADID AMPLIFIER LABDRATDRIES 53 RADID & TECH. PUBL. CO 61 RADIDFDNE CDRP. 4 S climate RADDLEK S9 RAYTHEDN PRDDUCTIDN CDRP 21 RCA MFG. CO., INC., RCA- VICTDR DIV..32, 33 REGAL AMPLIFIER MFG. CDRP 51 RIDER, JOHN F S6 SCHEEL, HARRY J 47 McMURDD SILVER CORP. 4D SOLAR MFG. CDRP 63 SPRAGUE SPECIALTIES CO 47 STANDARD TRANSFORMER CDRP 30 Write for catalog STAR MACHINE MANUFACTURERS, INC SB SUPERIOR INSTRUMENTS CO. ... S7 TRIAD MFG. CD., INC 60 TRIPLETT ELECTRICAL INSTRUMENT CDRP. 44 TUNGSDL LAMP WDRKS, INC 30 PAPER UNIVERSAL MICRDPHONE CO., LTD 59 UTAH RADID PRDDUCTS CD 42 WARD PRODUCTS CDRP 44, SB WESTDN ELEC. INSTRUMENT CDRP... III Cover

WHDLESALE RADID SERVICE CD., INC. . 46 WINCHARGER CDRP. 4S WIND -IMPELLER ELECTRIC WORKS S4 SOLAR MFG. CORP., While every precaution is taken to insure accuracy, we cannot guarantee against the possibility 599 -601 Broadway, New York of an occasional change or omission in the prep- aration of this index. TRIMMER

December, 1937 63 COMPLETE STOCKS READY FOR YOU "B -A" serves the trade with every need in radio. Complete 160-page catalog of radio recd. ers, public address systems, parts, supplies and equipment is no.. Boake Carter, left, autographs the tag on the 10,000,000th Philco for available. You will find your faoritt. na. Ray Riday, right, Philco tiist. rep. in Washington, D. C., while Secre- tary of War Harry H. Woodring looks on. The instrument went to tionally known lines represented in this war veterans in the Walter Reed Hospital, Washington. big book. "B -A" prompt service will please you- orders shipped same day * To house -warm the newly dec- * Ward Leonard Electric Co., Mt. they are received. orated Chicago office of Stromberg- Vernon, N. Y., has announced addi- Carlson, dealers and salesmen of the tional sales representatives to handle area attended a recent celebration their radio resistors, relays and rheo- BURSTEIN-APPLEBEE CO. where special speakers appeared. stats: Fred Stevens, 528 Maccabees These Included Lee McCanne, radio Bldg., Detroit, Mich., for the state 1012 -14 McGEE ST. KANSAS CITY, MO. sales manager, and Charls Low, mer- of Michigan; Ted Keller, 111 Morn- chandising consultant. H. T. Mc- ingside, Council Bluffs, Iowa, for Mis - Craig, Chicago branch manager, and souri, Kansas, Nebraska, South Da- UP -TO -DATE CATALOG W. H. Nolan, Chicago division radio kota and Iowa, and William Cardu- manager, were hosts to dealers. ner, 17 Warren St., New York City, NOW AVAILABLE for Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Con- * The new metallic phonograph necticut, New York, Pennsylvania. needle recently introduced by Reco- New Jersey, Maryland and Delaware. ton Corp., 178 Prince St., New York City, is further described as suitable * After Jan. 15, 1938, the At- CANNON -BALL for use with acetate records on lanta, Ga., branch of Wholesale transcriptions. The company also Radio Service Co. will have new a makes cutting needles and sapphire headquarters at 265 Peachtree St., HEADSETS for ones. where the firm has leased an entire building. The new store has been fast-growing market modernized, ready for demonstration * Number of sets sold by Philco salons, a big serviceman's dept., this year will surpass the volume sound auditorium, etc. Irving Miller done last year, according to Sayre M. heads the Atlanta branch; Jerry Rus- Ramsdell, the company's vice- presi- sell will continue in charge of the dent in charge of sales. This is be- purchasing dept. cause of the firm's large automobile contracts, states Mr. Ramsdell, who * A newcomer to the Sentinel also reported that "dollar volume of Radio Corp. family is a husky baby our sales will be under the 1936 fig- boy who has arrived in the family ures, while the whole industry will of Ed May, advertising director. The Three million homes now have two or more radio sets - requiring headphones to eliminate conflict in the home- fall below both dollar volume and 814 lb. chap is Mr. and Mrs. May's and millions of other sets, now in use. will be equipped. number of sets this year." first. The new demand for silent reception without dis- turbance to others is opening up a vast market for single and double headsets; not only in receivers now in Service men prefer Use them on all your use but in the millions that are added every year. Manu. replacements. They can Red Head facturers are beginning to install adaptors or switches, Conaens- be depended upon for or otherwise wire their receivers to take headphones. ers. They are de. quality and service pendable and eco- and their lower price- In central radio, also, the trend is to headsets. And, nomical. Made in all makes your dollar go of a course, the group-hearing aid is solely headphone types and sizes. I farther. proposition. Jobbers, dealers, servicemen, installers of central radio and group -hearing aids, will find a RESPONSIVE MARKET for EFFICIENT, LIGHT WEIGHT. GOOD - THE CHOICE OF LOOKING 'PHONES -a profitable market, toc. We RED HEAD DISCRIMINATING are receiving orders, large and small, from every state in the Union and many foreign countries. Capacitors. SERVICEMEN CANNON -BALL ADAPTOR Permits using headsets on all radios. Get wiring dia- Consolidated offers an outstanding line Our unexcelled manufacturing facilities- gram and complete details covering Cannon -Ball line. of aerial accessories -wire- testing equip- tremendous stocks-and prompt shipping ment and antenna supplies-priced to service are at your disposal. Catalog on C. F. CANNON COMPANY sell -and highly profitable to the jobber. request. Headset Headquarters RADIO SPECIALTIES SPRINGWATER NEW YORK aMONPAIWP FOR THE JOBBING TRADE va MOTHS ! Peoria Street Chicago Illinois 64 Radio Today Model 772 Super- Sensitive Analyzer

WITH THESE ADDED FEATURES AND REFINEMENTS!

* Simplified, easy- reading scale, AC readings on single AC arc * Decibel readings for sound measurement * Current ranges for auto testing * New, improved rectifier circuit ... accuracy (WESTON guaranteed) 3% on normal frequencies * Temperature error(WESTON guaranteed) within 2° from 40 °F to 110 °F * 20,000 ohms -per -volt... big, dependable, 50 microampere WESTON Meter * Broad ranges to meet every requirement testing receivers, transmitters, television, vacuum tube and cathode ray equipment, sensitive relay circuits, etc. * Sound engineering ... expert craftsmanship ... highest quality parts .. . dependability for years. Resolve, now, to start the year right with dependable and lasting service. For no other analyzer has a proved test equipment ... the kind of equipment that remains WESTON Meter . . . resistors of equal precision and dependable and stays serviceable throughout the years. stability . .. perfected WESTON silver contact switches, It will save you time and annoyance, save you money, and other materials and parts of WESTON'S high quality and put more profits in your pocket. When you buy an standards. Start the year right . . . and end it with analyzer, for example, be sure it's the WESTON 772, more profit ... with WESTON 772 and other test equip- for no other analyzer can give you equal dependability ment. Send the coupon for complete information.

Weston Electrical Instrument Corporation 597 Frelioghuyeeo Avenue, Newark, N. J. E .' Send complete information on WESTON Radio Instrumente. TON NAME

ADDRESS...... ---- ...... _...... _ ...... _...... Rucho1cstriinenis -_...... CITY...... _...._...... _...__...._...... _.. STATE ...... 14Ç11$T TU8j$ W 7W! W

beat: that can't be aERE' g a Profit opportunity over 34 million sockets in 1 Add million tube philco 200 four sets a one of every be imp roved with radios ...with every set can millions C0 the fact that right today to this consider need PHILCO Now more RA O Tubes. and millions tre- RIG new tubes answer a sets need you the 0 That gives sales them very shortly Tube for Philco . RADIO market any other mendous socsockets than Philco tube PRILCOo ...with With more for the name any acceptance is it TUBE with bigger satisfaction - the ggiving greater tidies in Tubes are the easiest Philco Tubes wonder that I1l world to sell?