Radio's Livest Magazine Over 200 Illustrations
Total Page：16
File Type：pdf, Size：1020Kb
RADIO'S LIVEST MAGAZINE irugazt 211Ceryta ,nfr riti Ca, HUGO GERNSBACK Editor TELEVISION NEWS SERVICE See Page 74 New Television Developments- "Pee -Wee" Multi -Range Meter- Beginner's "2" Lee DeForest - Sanabria -Pries: - Goldsmith - Don Lee-Peck - Farnsworth OVER 200 ILLUSTRATIONS AL*4\.. It is no longer necessary to save 189 SIGNAL GENERATOR money to buy a SUPREME. Get the Supreme 189 Signal Generator - both modu- instrument now and pay for it on lated and unmodulated - sell- contained 400 the easiest possible terms while you cycle audio oscillator - unusual frequency use it. Ask your Parts stability through special electron- coupled Jobber or write circuit - carrier frequencies directly cali- the factory about the S. I. C. Easy brated. Only $4.00 DOWN and $3.66 PER Payment Plan. Everybody's doing MONTH. it! EXPORT DEPT., ASSOCIATED EXPORTERS CO., 145 W. 45th STREET, NEW YORK, N. Y., CABLE ADDRESS: LOPREH. N. Y. RADIO -CRAFT for AUGUST, 1936 65 OPPORTUNITIES ,_--- are many for the Radio Trained Man your start i Don't be an untrained man. Let me show you how to get in Radio -the fastest growing, livest money- making game on earth. Jobs Leading to Salaries of $35 a Week and Up Prepare for jobs as Designer, Inspector and Tester -as Radio Salesman and in Service and Installation Work -or for work in a Broadcasting Station -as Wireless Operator on a Ship or Airplane, or in Talking Picture or Sound Work -HUN- DREDS OF OPPORTUNITIES for a real future in Radio! Ten Weeks of Shop Training Pay Your Tuition After Graduation We don't teach by book study. We train you on a great outlay of Radio, Television and Sound equipment -on scores of modern Radio Receivers, huge Broadcasting equipment, Television ap- paratus, Talking Picture and Sound Reproduction equipment, Code Practice equipment, etc. You don't need advanced education or previous experience. We give you -RIGHT HERE IN THE COYNE SHOPS -the actual practice and experience you'll need for your start in this great field. And because we cut out all useless theory and only give that which is necessary you get a practical training in 10 weeks. TELEVISION gad TALKING PICTURES And Television is already here! Soon there'll be a demand for THOUSANDS of TELEVISION EXPERTS! The man who learns Television now can have a great future in this great new field. Get in on the ground -floor of this amazing new Radio development! Come to COYNE and learn Television as it should be learned on Television equipment. Talking Picture and Public Address Systems offer opportunities to the Trained Radio Man. Here is a great new Radio field just beginning to grow! Prepare NOW for these wonderful opportunities! Learn Radio Sound Work at COYNE on actual Talking Picture and Sound Reproduction equipment. ment. You work on real Talking Picture machines and Sound PAY FOR YOUR TRAINING equipment. You learn Wireless Operating on Actual Code Practice apparatus. We don't waste time on useless theory. We give you After You Graduate the practical training you'll need -in 10 short, pleasant weeks. I am making an offer that no other school has dared to do. I mean exactly what I say. You can get a com- MAN?! EARN WHILE LEARNING plete training by the world's oldest and largest Prac- 'You get Free Employment Service for Life. And don't let lack of tical Radio School and I'll finance your Tuition. You won't have to money stop you -my plan makes it possible to get Coyne training start paying me back in small, monthly payments until 2 months with very little money. Many of our students make all or a good after your required training period is over. I consider the fellow who part of their living expenses while going to school and if you should is ambitious enough to want to get ahead by taking my Training, need this help just write to me. Coyne is 36 years old. Coyne worthy of my help. MAIL THE COUPON BELOW, andyou can Training is tested - proved beyond all doubt. You can find out prove to me that you are willing to spend just TEN WEEKS m everything absolutely free. Just mail coupon for my big free book! the Coyne Training Shops Learning RADIO. Then, I'll tell you C. Lewis, Pres. RADIO DIVISION Founded 1899 how I finance your Tuition -give you your complete Training H. and let you pay me back later. I've got enough confidence in ambitious fellows and in my me- Coyne Electrical School thods to give them the training they need and let them pay me 500 S. Paulina St., Dept. C6-8H, Chicago, Ill. back after they have completed their training. ELECTRIC REFRIGERATION Mail Coupon Today for All the Facts AIR CONDITIONING H. C. LEWIS, President To assure your thorough preparation for a prosperous future, I in- clude -at no extra cost -a course in Electric Refrigeration and Air Radio Division, Coyne Electrical School Conditioning, taught you by personal instruction and actual work 500 S. Pauline St., Dept. C6 -8H, Chicago, Ill. on latest -type equipment. Dear Mr. Lewis: -Send me your Big Free Radio Book, and all details of your Special Offer, including Electric Refrigeration, Air ALL PRACTICAL WORK Conditioning courses and your "Pay After Graduation" offer. At COYNE in Chicago Name ALL ACTUAL, PRACTICAL WORK. You build radio sets, in- stall and service them. You actually operate great Broadcasting equipment. You construct Television Receiving Sets and actually Address transmit your own Television programs over our Television equip- City State Please Say That You Saw It in RADIO -Cater I I I I I I I I I I I I I HUGO GERNSBACK, Editor -in -Chief d C. W. PALMER H. G. McENTEE ro. T.z Associate Editor Associate Editor 7*SERVICE MAN DEALER RADIOTRICIAN R. D. WASHBURNE, Technical Editor :11111111111 CONTENTS -AUG., 1936, ISSUE Volume VIII Number 2 Short -Cuts in Radio 87 Making a Midget Multi- Purpose Meter..H. G. McEntee 88 Editorial: Television Problems Hugo Gernsback 69 The Opto- Mechanical System of Television Wm. Hoyt Peck....88 The Radio Month in Review 70 Operating Notes 89 What About Television? W. E. Schrage 72 t Electronic Music Fundamentals-Part IV..Edward Kassel 90 New Developments in Television R. D. Washburne 74 A French Television System Marc Chauvierre 91 High- Intensity Illuminants in Television 91 Dr. Lee deForest 76 A Dual- Modulated Beat Signal Generator..E. L. Garrett An Improved Television Camera Philo T. Farnsworth 92 Television on the West Coast Don Lee 76 Modern Test Equipment V Radio Pictorial 77 The Design of -Part Samuel C. Milbourne 92 International Radio Review 78 How to Make an Oscilloscope-Part II The Importance of Interlaced Scanning..U. A. Sanabria 79 Charles Sicuranza 93 Mechanical vs. Cathode -Ray Systems of Television A Cathode -Ray Film Scanner A. Stager 94 William H. Priess 79 Making a Precision Aligning Unit -Part III Television as Home Entertainment Canio Maggio 94 Dr. Alfred N. Goldsmith 80 Readers' Dept. 95 A New Variable- Attenuation Equalizer The Latest Radio Equipment 96 S. Floyd Stewart 80 High -Fidelity Wired Sound N. H. Lessem 81 RADIO -SERVICE DATA SHEETS: The "Elf " -A 2 -Tube Set for the Beginner C. W. Palmer 82 No. I72- Zenith Model 7M9I 7 -Tube "Safety" Auto The "Transceptor " -A New Idea in 5 -Meter Trans- Superheterodyne; ceivers Frank Lester 83 Howard 6 -Tube Series I Auto Superhet 98 No. I73 Victor Model 236 -B 7 -Tube Battery Television in Germany Karl Tetzner 83 -RCA Superhet. Receiver; The Latest Radio Tubes. 84 Midwest Model 14-37 14 -Tube All -Wave Superhet. 99 How to Install a Wired Audio P.A. System -Part I No. 174 -Belmont Model 522 5 -Tube 2 V. Battery E. A. Dennis 84 Superheterodyne; Reflections of a Radio Service Man's Wife Belmont 666 6 -Tube Superhet. Auto -Radio Receiver IDI Aileen lodice 85 ORSMA Members' Forum 100 Television Progress in Italy 86 Book Reviews 121 ANNUAL SET BUILDER'S NUMBER New tube developments and new circuit tricks have in- Also, the usual departments will be carried, plus interesting trigued the set builders who have written articles for the construction and technical articles for the Service Man. forthcoming issue of RADIO -CRAFT. Small sets, medium Public address specialists will also find that their interests sets and large sets will be described for the man who wants have been taken care of. Ask your newsdealer today to to do his own construction work. Sets will be included for reserve for you a copy of this Sept. (newsstands -Aug. 1) both beginners and old timers. 1936 issue of RADIO -CRAFT. I I I I I , HUGO GERNSBACK, President I. S. MANHEIMER, Secretary RADIO-CRAFT is published monthly, on the first of the month preced- Published by Continential Publications, Inc. Publication office: 29 ing that of date: subscription price is $2.50 per year in U. S. and Can- Worthington Street, Springfield, Mass. Editorial and Advertising ada. (In foreign countries, $3.00 a year fo cover additional postage.) second -class matter Office: 99 Hudson Street, New York City. Chicago Advertising Entered at the post office at Springfield as 1879. Office: L F. McClure, 919 North Michigan Avenue, Chicago, Ill. under the act of March 3, Western Advertising Office: Loyd B. Chappell, 511 So. Alexandria St., Los Angeles, Calif. Text and illustrations of this magazine are copyright and must not be European Agents: reproduced without permission of the copyright owners. We are also EVERYDAY SCIENCE AND MECHANICS. Subscription London- Gorringé s American News Agency, 9A Green St., Leices- agents for with RADIO -CRAFT ter Square, London, W.