Valves

Invented in 1904 by John Ambrose Fleming, the thermoion valves were a fundamental component for electronics throughout the first half of the twentieth century, which allowed the diffusion of radio, television, radar, amplification, audio recording and reproduction, networks...

thermoion valves
Valves Marconi
Valves Marconi
Valves Fivre
Valves Fivre
Valves RCA
Valves RCA
Valves G.Electric
Valves General Electric
Valves Silvania
Valves Silvania
Valves Philips
Valves Philips
Valvole CGE
Valves CGE

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