Wireless valve

Wireless valve, Nelson D.E.2 Multi, 1925

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Wireless valve, Nelson D.E.2 Multi, 1925
Science Museum Group
© The Board of Trustees of the Science Museum

Wireless valve, Nelson D.E.2 Multi, 1925. 3 filaments either of which can be selected by a "scissors" switch on the base

Details

Category:
Electronic Components
Object Number:
1934-485
type:
valve
credit:
Largen, C.E.