RADIO'S LIVEST MAGAZINE Clete a5Catts /n l bled Jaw. F,plTilt and Canada THE AIRCRAFT RADIO SERVICE MAN See Page 202 Cathode- Ray Test Equipment - New "Blind Landing" System -60- W. Amplifier L_New Department: "Learn - by -Experimenting" Beginners' Practical Radio Course OVER 50,000 R DIO MEN READ RADIO -CRAFT MONTHLY A I . e 3 osc°pe OSC\` voN bo< Q y O\ys5995 MODEL 546 Special Combines laboratory efficiency with the greatest value ever offered in full -size oscilloscopes! Complete with built -in SUPREME horizontal and vertical amplifiers. Util- izes the full -size 3" screen cathode ray tube. Used for measurements of A.C. FEATURES Wave forms, frequency, phase, tube characteristics, hysteresis, hum distor- tion,A.C. peak volts, overload of A.F. or RETURN SELECTOR vibrators, transmitters, SWITCH. This important ex- I.F. amplifiers, clusive SUPREME Floating etc. Use with R.F. Signal Generator for Filament circuit allows the visual alignment work. tester's filament supply to be Dealer's Net Cash $5995 connected to any two or even Wholesale Price three filament terminations re- gardless of their positioning. Or, $6.50 cash and 10 monthly payments of $5.95 MODEL 502 Tube and Radio Tester 25.000 OHMS PER VOLT is a serviceman's dream METER. This Super -Sensitive When we say that this model come true, we mean just that. Imagine having five tests meter is available on Models .1/ for every tube PLUS nineteen additional ranges and 541 and 502 at $5.00 551, function of .2 to 1400 A.C. volts in four ranges; .1 extra cost. ohms to 20 megohms in five ranges; .2 to 1400 A.C. volts in four ranges; .2 to 1400 A.C. volts in four out- test BRONZE PANELS -OAK put ranges PLUS an Electrostatic capacity leakage neon bulb and PLUS an Electrolytic filter capacity CASES. Each SUPREME in- on a leakage test on "Good -Bad" English reading scale. strument is housed in the dis- A complete, quality tube tester and set tester in a space tinctive Oak "lifetime" case in. x 5 in., weighing only 16 lbs. at this new bronze paneL 103; with genuine low price! Dealer's Net Cash Price $49.95 $5.50 cash and 10 monthly payments bf $4.95 WESTINGHOUSE-SU - Or, PREME METERS. Each meter is built to laboratory standards MODEL 551 Analyzer by Westinghouse. This extraordinary new model is not only a 'set tester' but provides a method of making voltage, current and resistance readings directly from the tube socket with- "ISO -- GRAD" METER CIR- out removing the chassis from the cabinet! Analyzes CUIT. Supreme uses a patented all voltages from 0.2 to 1400 volts A.C. in 4 ranges circuit which makes possible and 0.2 to 1400 D.C. volts in 4 ranges at 1000 ohms evenly divided A.C. voltage per volt. Three D.C. current ranges of 0.2 to 1400 readings. volts A.C. Self -contained ohmmeter circuit measures 0.1 to 20 megohms in 5 ranges. 20 functions and ranges in all! FREE REFERENCE POINT Dealer's Net Cash Price $38.95 SYSTEM. Makes possible cir- Or, $4.25 cash and 10 monthly payments of $3.86 cuit readings from top of the chassis. Sold on Supreme S.I.C.Terms -The World's Easiest Installment Terms Write for Literature Describing Complete Line INSTRUMENTS CORP., Greenwood, Miss., U. S. A. SUPREME LOPREH, N.Y. Export Dept., Associated Exporters Co., 145 W. 45th St., New York City, N.Y. Cable Address, RADIO -CRAFT for OCTOBER. 1937 193 Haw ¿Jijcrt mom a go Joe NO. NOT SO GOOD BILL, TOM.IVE BEEN TOO BUSY YOU HAVE THE SAME BUT I'M STILL PLAYING MAKING GOOD MONEY Our OF CHANCE TOM. ABOUT THERE'S OJC IN BERLIN WITH RADIO. HAD RADIO LATELY TO"PLAY WITH IT. A YEAR AGO ISHOWED DJ C YOU A THE TENTH FOREIGN UST NIGHT. BOOK FROM IS RADIO STILL NATIONAL RADIO INSTITUTE STATION TONIGHT. RADIOS YOUR HOBBY TOO? YOURE SURE LUCKY, BILL. TELLING ABOUT THE CERTAINLY PUN. I NOTICED YOUR NEW CLOTHES OPPORTUNITIES ANO AND SNAPPY CAR. I THOUGHT FUTURE IN RADIO, AND YOU HAD INHERITED A 110W OTHERS HAD SUC- MILLION. CEEDED THROUGH THEIR HOME TRAINING, WELL I ENROLLED. rí1 THIN I CAN MAKE OR INSTALL AM) OR YOU CERTA¡ NLY N.R.I TRAINING REAL MONEY MAKE 0000 1'M DOING SWELL IN RADIO. IF BILI SERVILI LOUD MONEY IN ANY ONE .,KNOW RADIO. CERTAINLY PAYS. SCRs/ICING SPEAKER SYSTOLE MARY 'AND I ARE TO BE OF THE MANY MINE NEVER I JUST STARTED SUCCEEDED ,RADIO MARRIED NEXT MONTH, SETS. OTHER NEW ANO SOUNDED BETTER AfEW MONTHS I CAN ,GROWING BRAUOKS RADIO h MORE THAN ,A TOO: AGO ANO IM PLAYTHING. IT'S A WO F RADIO. fIe °OING ALREADY MAKING TO SEND FOR GOOD MONEY BUSINESS AND GROWING OB GET A \ THAT FREE BOOK IN MY SPARE PAST. TAKE MY YIP AND JOB IN A `rt RIGHT NOW/ r TIME. GET INTO RADIO NOW, TOM! BROADCASTING j THANKS' ¡` _ STATION j OH,TOM, ITS WONDERFUL OUR WORRIES ARE NOW FAST YOU'VE GONE OVER. I'M MAKING GOOD AHEAD IN NAO /O. WE MONEY NOW, AND THERE'S NEVER COULD HAVE A FUTURE AHEAD FOR US GOTTEN MARRIED ON IN 4540/O. e . a e (will train you to WHAT YOU WERE start GETTING BEFORE. a spare time or full time Radio service business Without Capital Many Radio Experts Make $30, $50, $75 a Week 1. EM YOU want I F. Smith, President to make morn f I. , HERE'S I:. 1, MAKE GOOD'MONEY _, National Radio PROOF made molly opla,rtultille. cur ., IL.r.. , Institute Inm r fu!. Had,., lai, Established business of your . 'l'ltra =ut of cers,, f,nir hurtle: in the United 1914 Mvireates have Radio sets which regal irly require repairs, . vi,ing, new tubes, $3,500 a Year in Own Business etc. Many eta ro old and will s.rm be relitared by new model,. I will train you to sell. install, servies all D'pes of Radio sets start your men completing R. -to Radio service business and build it up on utuney made in spare "After the N. I. Course I be- time while learning. Mall coupon for my 64 -page Iwulr. it's FREE. came Radio Editor of the Buffalo Courier. Later I started a Radio service business of my Gat Ready Now for a Business of Your Own and for Jobs Like These own, nd averaged over $3,500 a year. " -T. J. Broadcasting statists employ engineers, operator:. .tat i,m managers and pay te $7,000 Year. TELAAK, 657 Broadway, Buffalo, N. Y. Share Ume Radio set servicing pays as numb his $'Pmt 37mí a year -full tinte Radier servicing ..í x. jabs t, as muni as $30. Val, $ :. a week. Slimy Stade, experts own and operate their own time or part time Radio sales and ,en in. business,,. Stadio manufacturers Jobber, $10 to $25 a Week in Spare 'Erna and employ testers, inspectors. foremen. :sunnier:, .sen irTnen, Laying Up to 5';.IIIIO a Sear. I "I am making from $10 to $25 a week in spare Radio operalnrs In ships get gomd pay and . t the world besides. Automobile, t''ii a aviation. rommereial Radio. and loud spealirr ,n s infer time while still holding my regular job as a good oplrnunitie: n for the future. Television promise: many Ia.sI Jobs :.nn. Men I trained at h.nm, de ' machinist. I owe my success to N. R. 1."- have good into In all these branches lot Radio, Read their letters in niy 6I -page WM. F. RUI'P. 203 Front St., Conshohocken. Pa. book. Mail the coupon. Many (Make $5. $10. $15 a Week Extra in Spare Time While LearntnP uo `' GET MY FREE LESSON Practically every twit:M mbo:xi musts a I' .,.I .paspare tome senit-en,:u, . Tile ars.h. .tar yo:. or u I wit mending y,.1 Extra a,xlaaey Si eets. They .ho.v '' p on Radio Servicing Tips you hose to edo Haiti° repair Sob. -how' t. .a.h in qu,rk!.y. Throughout your training I send you and i leas that have ern Plans ,."d Mare '.q, 4 time money fur his of renow.. 1 . you apeeial lta,iiu ,nip- I prove n,;l that my training 1. , m .nt for em,dueting experiments and building circuits whir¡, q4' ,s praet nal. money-making infonnatbal. ¡unstrap, ¡moon:tot Muth, Prin..mle'_ >b. 'training gh.es you -S'''''<'''.y that It is easy to understand that practical Radio experience while learn.ng. 'n. ``lO`1`: it Is just what you need .4. YIy to twister Radio. lesson test, "Radio Re- Find Out What Radio Offers You-Mail Coupon Now JLpr o , ceiver Troubles -Their Cause and Slail the coupon now far, icy yr.. 1e,...I and ,,,yl honk - .$i'*' V r nv Bement)" lovers a lung list of Ra- 'Rich ltewaNs Ill Radio.' (loth nee L anyone amt ( t »t r year. old. My (nook point, , Its 1,:nh,:, tLnre l R, dio receiver troubles in iii time ''Y ..sp >' A.C., f ul fun time , pimrtu ices, and 1,,.e coning i O .r,..0..\"- batten, universal. auto. T. It. F., Television; shows my Training Ita,lm alai TeI: -ar .1.-.4.- ' .autel I.etenslyne, all -ware and other vision; tells about my Money a Itacl: Agree:11 et; ,, ., types of sets. A cans .haws you letters from men 1 trained. telling J reference are doing i what .