Valves

Invented in 1904 by John Ambrose Fleming, vacuum tubes were a fundamental component of electronics throughout the first half of the twentieth century, enabling the spread of radio, television, radar, amplification, audio recording and reproduction, networks...

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

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