2 "Ficheiro:120_MHz_Lecher_line_oscillator_1934_closeup.png".

Ficheiro:120 MHz Lecher line oscillator 1934 closeup.png

Description120 MHz Lecher line oscillator 1934 closeup.png English: An experimental 120 MHz vacuum tube amateur radio transmitter with a Lecher line tank circuit...

Ficheiro:120 MHz Lecher line oscillator 1934.jpg

Description120 MHz Lecher line oscillator 1934.jpg English: An experimental 120 MHz vacuum tube amateur radio transmitter with a Lecher line tank circuit...

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