Use it with Oscillator you also build that furnishes basic power to transmitter and determines transmitter frequency. YOU BUILD THIS WAVEMETER as part of my NEW Communications Course. It soon helps you EARN EXTRA MONEY fixing neighbors' - Radios in spare time. YOB BUILD THIS TESTER as part of my ka Servicing Course, with parts N.R.I. Conduct actual procedure of Broadcast Operators, practice interesting experiments, learn how to put a transmitter on the air. YOU PRACTICE RADIO COMMUNICATIONS I send you parts to build the Transmitter shown below as part of my new Communications Course. Use it to make many tests, get practical experience. I send you the speaker, tubes, chassis, transformer, loop antenna, EVERY- THING you need to build this modern Radio Receiver. MALLORY & CO., Inc., INDIANAPOLIS 6, INDIANAģ /Wi%/Show You How M LEARN RADIO TELEVISION SERVICING OR COMMUNICATIONS by Piactieii/gin SpareTiíne YOU PRACTICE RADIO SERVICING You build the modern Radio shown below as part of my Servicing Course. MORE MALLORY VIBRATORS ARE USED IN ORIGINAL EQUIPMENT THAN ALL OTHER MAKES COMBINED P. No wonder they are so popular with radio service men everywhere -Mallory Vibrators are best for replacements. You get not only long life, but dependable starting, and high output efficiency from Mallory Vibrators. Convincing proof that Mallory maintains careful production is the fact that more Mallory Vibrators are in use as original equipment than all other makes combined. And a patented Mallory design insures a perfectly balanced mechanism. For example, the contacts in Mallory Vibrators are Mallory- specified and Mallory -made. and resources in electronics, electrochemistry and metallurgy. Your Mallory distributor has therh in stock for immediate delivery. There is no charge for the attractive, convenient cabinet. You pay only the service man's net price for the six vibrators and twelve buffer capacitors. The design of Mallory Vibrators is a product of an unusual combination of engineering talent Mallory `2448" Vibrator Deal This deal gives you a handsome storage and display cabinet for your stock of vibrators, together with a selection of vibrators and buffer capacitors that will answer 75% of your requirements. 2 Long Life on Tough Jobs i One Reason Why MALLORY VIBRATORS are So Popular Long life in a vibrator results from a combination of good design and careful production.
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