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Early Ham Radio Photographs-Page 4 |
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| This is W3IU's amateur station, circa 1936. The receiver is a Breting 12 and the microphone appears to be an early version of the Astatic 104 crystal. |
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| The Breting 12 was a 12-tube general coverage receiver, with a range of 550 kHz to 30 mHz. It cost about $93.00 when new. |
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The transmitter is a very nicely done homebrew job, as can be seen in the pictures above and below. It is not a high power unit, using only a single 203 (?) as the final amplifier. The modulator (the second chassis from the bottom) appears to use a pair of 800's in push-pull. Click on either transmitter picture for a larger view. |
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| This is W3IU with his equipment, in another room of the house. The microphone stand is different, and just behind it is an oscilloscope being used as a modulation monitor. |