AID 10 IRONIES' APRIL 1949 312k- u S and LATEST IN RADIO MONEY BACK GUARANTEE-We believe units offered for sale by mail order should be sold only on a "Money- Back -If- Not -Satisfied" basis. We carefully check the design, calibration and value of all items advertised by us and unhesitatingly offer all merchandise subject to a return for credit or refund. You, the customer, are the sole judge as to value of the item or items you have purchased. j1 rasa - FOR FM -AM TELEVISION BUILD YOUR OWN SIGNAL TRACER and SAVE!! Increasing production of F.M. and Television Receivers means more complex Receivers. Now more than ever this time -saving method of quickly and easily localizing the exact cause of trouble becomes the "must" method. Since 1939 when we first introduced our CHANNEL ANALYZER we have worked continuously developing and improving the "short -cut" method of Receiver servicing. The Only Signa! Tracer in the Low Price Range Including BOTH METER AND SPEAKER!! FEATURES: * Comparative intensity of the signal is read directly on the meter -quality of the signal is heard in the speaker. * Simple to operate-only one connecting cable -no tuning controls. * Highly sensitive -uses an improved vacuum -tube voltmeter circuit. * Tube and re- sistor capacity network are built into the detector probe. * Built -in high gain amplifier- Alnico V speaker. * Completely portable- weighs 8 pounds- measures 61/." x 61/2" x 9 ". MODEL CA -12 Kit includes ALL PARTS assembled and (We can supply the Model CA -12 completely ready for wiring, circuit diagram and detailed operating wired, ready- to operate -$29.25.) data for the completed instrument. THE NEW MODEL 670 The New Model 770 - An Accurate Pocket-Size SUPER METER VOLT-OHM MILLIAMMETER SUPER METER. A Combination (Sensitivity: 1000 ohms per volt) VOLT - OHM - MILLIAMMETER Features: plus CAPACITY REACTANCE, Compact -measures 3%" x 6%s" x 214 ". INDUCTANCE and DECIBEL Uses latest design 2% accurate 1 Mil. MEASUREMENTS. D'Arsonval type meter. Same zero ad- D.C. VOLTS: 0 to 75/15/75/150/750/ justment holds for both resistance ranges. 1:00/7500. A.C. VOLTS: 0 to 15/30/ It is not necessary to readjust when 150/300/1500/3000 Volts. O U T P U T switching from one resistance range to VOLTS: 0 to 15/30/150/300/1500 /3000. another. This is an important timesav- D.C. CURRENT: 0 to 1.5/15/150 me.: 0 to 1.5 Amps. RESISTANCE: 0 to 5011/ ing feature never before included in a 100.000 ohms. 0 lo 10 Megohnls. CA V.O.M. in this price range. Housed in PACITY: .001 to .2 Mfd.. .1 to 4 Mid. round- cornered, molded case. Beautiful ((plenty test for electrolvtles.I REACT- black etched panel. Depressed letters ANCE: 700 to 27.000 Ohms; 13.000 Ohms filled with permanent white, insures long. to 3 Mcgohms. life even with INDUCTANCE: constant use. 1.75 to 70 Henries: 35 Specifications: 6 A.C. VOLTAGE RANGES: to 8.1100 licorice. 0- 15/30/150/300/1500 /3000 soils. DECIBELS: -10 to +18. +10 to +38. 6 D.C. VOLTAGE RANGES: 0-7;4/15/75/ +311 In +58. 150 /750/1500 volts. 4 D.C. The model 070 comes housed In a rugged. CURRENT RANGES: 0- 114/15/150 srackieTni steel eat,. Me. 0 -I V4 Amps. 2 RESISTANCE Anet complete with test RANGES: 0 -500 Ohms. 0 -1 -g $2840 Megolim . leads and sreti In- The structions. Size 5Vs" x Mdelo 770 comes complete with l co 7l x 3 ". NET lotteries. /x' lends and all operating Instructions. 390NET THE NEW MODEL 777 The Model 88 -A COMBINATION 20,000 OHMS PER VOLT!! SIGNAL GENERATOR A TUBE & SET TESTER SIGNDNAL TRACER Tube Tester Specifications: ',Frequency * Tests all tubes including New Miniatures, etc. Also Pilot Lights. Range: 150 Kilo- * Tests by the well -established emission method for tube quality, cycles to 60 Megacycles. ',The directly read on the scale of the R.F. Signal Frequency is kept meter. * New type line voltage. completely constant at all out- V.O.M. Specifications: put levels. ',Modulation is ac- D.C. VOLTS: (at 20.000 Ohms complished by Grid -blocking ac- Per Volt). 0 to 7.5/15/75/150/750 / 1.500 Volts. tion which is equally effective for alignment of amplitude and A.C. VOLTS: lAt 10.000 Ohms frequency modulation as well Per Volt). 0 to 15/30/150/300/ as 1.500/3.000 Volts. for television receivers. ', R.F. ob- tainable separately or modu- D.C. CURRENT: 0 to 1.5/15/ 150 Ma. 0 to 1.5 Amperes. lated by the Audio Frequency. RESISTANCE: 0 to 5.000/.50.- 000 /500.000 Ohms. 0 to 50 Meg- Signal Tracer Specifieatlons: ohms. Uses the new Sylvania 1534 Ger- Model 777 operates 90 -120 tnonlum crystal ])lode which com- alts SO eCe)., A.C. ',Housed bined with a reslelonee-copaclty net- beautiful band . rubbed Cabinet. Complete with test mad., tube., work provides a fre- Charts and eG quency mice of 300 per"nn in true cycles to 50 Megacycles. 85 size- lx" $5d J.7 $ bons. 9NET The Model 88 comes complete with all test leads and operating NET instructions. ONLY 2 20t'4 DEPOSIT REQUIRED ON ALL C.O.D. ORDERS PARK PLNC, GENERAL ELECTRONIC DISTRIBUTING CO. NEW Y RK 798 3 You Practice COMMUNICATIONS You Practice Radio SERVICING As part ofmynew Com- As part of my Servicing I Send You Parts To Build- munications Course I On This Modern Radio You Course, I send you the speaker, send you parts to tubes. chassis, transformer, build your own Trans- loop antenna. EVERYTHING This Equipment mitter. Conduct actual Build With Parts I Send you need to build this modern procedure demanded Radio Receiver that brings in of Broadcast Station local and distant stations. You Operators, practice use it to con - many interesting ex- duct many periments and tests. tests and ex- learn how to put a periments. ,transmitter on the air. NEW Learn Servicing or Communications by Practicing in SpareTïme YOU BUILD 'with MANY KITS OF this Tester as 1..1 PARTS I Send of my Servicing Course. It Want a good -pay Job in the fast- growing Radio soon helps you earn Si, It0 and and Television industries or to be boss of your own more a week EXTRA MONEY tiring money- making Radio and Television shop? I've nelghnors' Radios in spare time while Iearning. trained hundreds of men with no previous experi- ence to be Radio technicians. I can do the same for YOU BUILD thi, Power Pack as YOU BUILD this Superheterodyne yon' Or now, for the first lime, enroll in my new part of my new Communi- Receiver Circuit and pros. t i cal course in Radio-Television Comm urli- cations Course. Use it to conduct Frequency cationa -learn to be a Broadcasting and Communica- conduct tions technician. You learn Radio and Television fascinating Modulation experi- principles from experiments with fre- ments clear, illustrated lessons. You get and many practical Radio experience with MANY KITS OF quency am- other teats PARTS I SEND in my train -at -home method. AU plifiers and as part of equipment yours to keep. multipliera, my Ser- MAKE EXTRA MONEY b u f f e r vicing IN SPARE TIME I. E. IMR6, PreIdM As part of my Radio stages, etc. Count. Nalsul Wie Imiltrlr Servicing Course, I send JC EXTRA MONEY booklets, starting the day you enroll. Use your know -how to make $5, $10 and more a week EXTRA YOU BUILD this YOU BUILD this MONEY fixing Radios in spare time while training. The next step Signal Generator as Wavemeter as part is your own Radio shop or a good -pay Radio servicing job. Or, if you part of my Servic- of my new Commu- prefer, get Into Government, Police Aviation or Marine Radio, Broad- ing Course for more nications Course. casting, Radio Manufacturing or Public Address Work. valuable VETERANS Use it with Oscil- experience. lator you also build BRIGHT FUTURE IN TELEVISION It provides ampli- Think of the present and future opportunities In GET THIS that furnishes basic Television the fast -growing tude- modulated sig- power to transmit- field. New stations are going on the air every month. nals for many inter- ter and determines Television manufacturers are producing over 100,000 sets a month. It's a fast- growing field and the man who knows esting tests and TRAINING transmitter fre- be In Television will experiments. quency. demand. WITHOUT COST GET ACTUAL LESSON AND BOOK FREE Send now for my special DOUBLE FREE lesson OFFER. Get actual UNDER on Radio Repairing short -cute absolutely free. Also get G. I. BILL 64-page book "HOW TO BE A SUCCESS IN RADIO -TELEVISION -ELECTRONICS." See how quickly, easily you can start. J. E. MAIL COUPON SMITH, President, Dept.9D%, National Radio Institute, Pioneer Home Study Radio School, Washington 9, D. C. I TRAINED THESE MEN AT HOME Coed,Argo* -FREE Good Job In Makes Extra Cash Operates Own Radio Station In Spara Time Radio Business MR. J. E. SMITH, President, Dept sox "Am Chief Engi- -, "Earned enough "Now have two National Radio Institute, Washington 9, D. C. neer of Station legare rash time Radio shops ser- Mail me WORD, In to pay for my vicing about 200 FREE Sample Lesson and 64 -page of book about how to win success in Radio and .`.. chute four .course by time I sets a month. men. Owe all I know ahont graduated. NRI Television-Electronics.