Valve

Moorehead Laboratories, Manufacturer

1920
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Details


Maker and Role
Moorehead Laboratories, Manufacturer
Production Date
1920
Description
Glass tube with metal and wires inside. Insulated wires come from both ends - one side has three, the other side one. Metal bracket clip.
Media/Materials
Processed Material/Glass
Processed Material/Metal
Signature/Marks and Type
Electron Relay. An early triode of similar construction to the Audiotron. Made by Moorehead Laboratories, San Francisco, 1920 Label
Accession No
1978.1706
Credit Line
Moorehead Laboratories. 1920. Valve, 1978.1706. The Museum of Transport and Technology (MOTAT).
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