Collection

Telefunken triode valve

SMG00313253 Telefunken triode valve, type EVN171
SMG00313253 Telefunken triode valve, type EVN171

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SMG00313253
Science Museum Group
© The Board of Trustees of the Science Museum

Telefunken triode valve, type EVN171
Science Museum Group
© The Board of Trustees of the Science Museum

Telefunken triode valve, type EVN171, with separate ballast-resitor (iron wire in hydrogen), c.1916

Details

Category:
Electronic Components
Object Number:
1985-1922
type:
valve
credit:
Gee, D.J.

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