3 Resultater fundet for "Fil:Quenched_spark_gap_1915.jpg".

Fil:Quenched spark gap 1915.jpg

English Quenched spark gap from 1911 spark radio transmitter...

Fil:Marconi Type E-2 500W ship spark transmitter.jpg

"Quenched" or "series" spark gap consisting of a stack of cylindrical electrodes in series with microscopic gaps between them. English Ship spark gap radiotelegraphy...

Fil:Fessenden synchronous spark transmitter.jpg

English Reginald Fessenden's spark radio transmitter...

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