Valve
Maker and role
Moorehead Laboratories, Manufacturer
Production date
1920
Object detail
Accession number
1978.1706
Maker
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.
Marks
Electron Relay. An early triode of similar construction to the Audiotron. Made by Moorehead Laboratories, San Francisco, 1920 Label
Media/Materials
Credit Line
Moorehead Laboratories. 1920. Valve, 1978.1706. The Museum of Transport and Technology (MOTAT).
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