2 Resultater fundet for "Fil:Fessenden_synchronous_spark_transmitter.jpg".

Fil:Fessenden synchronous spark transmitter.jpg

English Reginald Fessenden's spark radio transmitter...

Fil:Navy NAA spark transmitter Arlington 1913.jpg

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 32...

Enciclo
Wikious
Sapientia
Scientia
Boobota
Anandapedia
Sagapedia
Wikithot