Description120 MHz Lecher line oscillator 1934.jpg English: An experimental 120 MHz vacuum tube amateur radio transmitter with a Lecher line tank circuit...
Description120 MHz Lecher line oscillator 1934 closeup.png English: An experimental 120 MHz vacuum tube amateur radio transmitter with a Lecher line tank circuit...
Wave Craft. Therefore the magazine's copyright was not renewed and it is in the public domain. Other versions 120 MHz Lecher line oscillator 1934.jpg...
