3 Resultater fundet for "Fil:Rotary_spark_gap_1919.jpg".

Fil:Rotary spark gap 1919.jpg

English Rotary spark gap from antique radio transmitter...

Fil:Rotary spark gap transmitter.jpg

374 169 186 184 700 450 English: Rotary spark gap driven by electric motor behind wheel. 352 35 326 317 700 450 English: Inductively coupled output transformer...

Fil:Navy NAA spark transmitter Arlington 1913.jpg

coil is connected to the antenna and ground 454 647 356 578 2112 1384 Rotary spark gap 180 737 267 412 2112 1384 Belt driven 100 kW 500 Hz alternator 232...

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