Station List
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IN THIS ISSUE -NEW! FM Station I o List C ILA HUGO GERHSBACK, Editor BRUNETTI WRIST-WATCH TRANSMITTER SEE PAGE 28 SALES of previous editions offer the best evidence of its worth. Edition Year Copies sold 1st 1937 51,000 2nd 1938 25,000 3rd 1939 55,000 4th 1941 60,000 5th 1946 75,000 Here's what you get: Data on correct replace- ment parts Circuit information Servicing hints Installation notes IF peaks Tube complements and number of tubes References to Rider, giving Ready April 1st volume and page number RESERVE YOUR The 6th Edition COPY NOW Mallory Radio Service Encyclopedia Here it is -up to date -the only accurate, authorita- number of tubes ... and in addition, cross -index to tive radio service engineers guide, complete in one Rider by volume and page number for easy reference. GIVES YOU ALL THIS IN- volume -the Mallory Radio Service Encyclopedia, NO OTHER BOOK FORMATION- that's why it's a MUST for every 6th Edition. radio service engineer. Made up in the same easy -to -use form that proved 25% more listings than the 5th Edition. Our ability so popular in the 5th Edition, it gives you the to supply these books is taxed to the limit. The only complete facts on servicing all pre -war and post -war way of being sure that you will get your copy quickly sets ... volume and tone controls, capacitors, and is to order a copy today. Your Mallory Distributor vibrators ... circuit information, servicing hints, will reserve one for you. The cost to you is $2.00 net. installation notes, IF peaks, tube complements and It's the buy of the year. THE MALLORY RADIO SERVICE ENCYCLOPEDIA Complete -Authoritative -All in One Volume O . VIBRATORS SWITCHES ... RESISTORS ... RECTIFIERS ... VIBRAPACK` POWER SUPPLIES . FILTERS ALLOR 11.9. U. S. Pol. Off. APPROD PRECISION PRODUCTS P. R. MALLORY & CO., Inc., INDIANAPOLIS 6, INDIANA Building tits A. M. SIGNAL GENERATOR gives you valuable experience. Provides amplitude modulated sig- nals for test and experiment pur- poses. RADIO SERVICING pays good money for full-time work. Many others make $5, $10 a week EXTRA fixing Radios in spare time. VETERANS You can get this training right in your own home under G. I. Bill. Mail coupon for full details. a RADIOgpare Time tea ri'r -JI PRA #6111"1 with Big Kits You build this SUPERHETERO. of Radio Part si Send You DYNE CIRCUIT that brings in local and distant stations. You get Do you want a good -pay job in Radio -or your practical experience putting this own money- making Radio Shop? Mail Coupon for set through fascinating tests. a FREE Sample Lesson and my FREE 64 -page book, "How to Be a Success in RADIO -Television, You build this gives you practical MEASURING INSTRUMENT Electronics." See how N.R.I. Yourself early in the course -use it for practi- Radio experience at home -building, testing, re- cal Radio work on neighborhood Radios to pick pairing Radios with BIG KITS OF PARTS I send! up EXTRA spare time money! Many Beginners Soon Make Good Extra Money D1 O in Spare Time While Learning The day you enroll I start sending EXTRA MONEY manuals. You LEARN Radio principles ESS '" R from my easy -to- grasp, illustrated lessons - A Sv d ome PRACTICE what you learn with parts I send - you at USE your knowledge to make EXTRA money fix- sin ing neighbors' Radios in spare time while still I \If %1r learning! From here it's a short step to your own full -time Radio Shop or a good Radio Job! Future for Trained Men is Bright in Radio, Television, Electronics Sample Lesson FREE It's probably easier to get started in Radio now Gives hints on Receiver Servic- ever before because the Radio Repair Busi- ing, Locating Defects, Repair of than Loudspeaker, I. F. Transformer, ness is booming. 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INu salesman will call. fleas° write plainly.) J. F. Smith, President, Dept. BDX. National Radio Institute, 1'I,ß+, t o r /tom r Study Radio Srhnol. Washington 9, D. C. Name My Course Includes Training in Address City TELEVISION * ELECTRONICS Check If Vetaran Frequency Modulation APPROVED FOR'TRAINING RADIO- [RAFT, April. 1948, Volume XIX, No. 7. Published monthly by ltadcraft Publications, Inc.. 29 Worthington Street, Springfield 8, FLU. tittered as second class matter at Post Office, Springfield, 81ass., under the Mt of \larch 3. 1879. RADIO -CRAFT for APRIL. I94f UNION the NATIONAL TRIPLE-AID PLA to the TOWN BUSIEST SHOP IN E,DSIHES - SERVICE BISSER BIIILD ß 1Il1 D E RS HU BUSINE55 DjS I H ESS N U are plImoica teitillk pieces BUILDERS promotion service $evicc, Window Decals tiyYON At'th4toN friendly gook Molches 9P . " your banana integrity Builders Dummy Cottons ... Business Stationery your s as the advantage Tickets climb job Signs yout 21e customers, Embosogfoi Mots Yjatc and prospective Newspoper Ad Mott customers Telephone hone your new cus- Cortoon you attract Trim Service with designed Window of dealing customers. Tube Manools arc skillfully loss Manuals picas and regain Circuit buUatlm war ¡out ... Engin [ht customers service, Service present the bus: Notes keep Shop Disp tyrrs tailored Window miners forms Signs d business Outdoor Signs shop a^ Indoor Simplified toot Streamers available, arc VOID Bannen peens Nort d Scotch TO ?`. naads to e Distributor Imp^^ N.U. Shop Coon Ask your Plkos-TODAYII N.U. 'SO she COR?0RM% Rp0I0 WISES PURPOSE IEBgEY SPECIAL UNION NNEVI E iD6ES CONTROLS OR MACE, VISION VOLVE VIBRATORS NATIONAL RAY TUBES SAPS CATHO PANEL TUBES COORS TRANSMITTING BATTERIES TUBES RECEIVING BALLASTS PHO1OTUBES 1948 2 RADIO -CRAFT for APRIL. You build this line modern Superheter- odyne Receiver and other units, with the complete standard parts we send yes. This valuable equip- ment becomes gags to use and keep. Get these 2 SIG NOOKS If you are already employed to the great Radio industry, you know how great the demand is for trained, ex- perienced servicemen. operators and technicians You bane how fast the FREE! field is growing and how Important It RND^" is to keep up with now developments In F.M., Television and Electronics. The Radio s ANNUAL industry is aloe with opportunity for the Qualified technician whose knowledge is up -to- the. minute You can be an FM and Television specialist . get Into the lucrativo Radio NOW! New Professional Service Field . own a business of your own, If you prefer. National Schools of Los Multitester Included! ngeles, for over 40 years a practical resident This versatile testing Instrument is portable and and home study trade school, has put into ef- eanplete with test leads and batteries. 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