Valve
Maker and role
National Union Radio Corporation, Manufacturer
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Object detail
Accession number
1978.1599
Description
Graduated glass bulb with metal cap at top. Metal inside. Black base with central base pin surrounded by eight metal pins.
Marks
National/ Union/ ER Made in USA / Long life tube complete/ renewal service for all radios Printed
Media/Materials
Credit Line
National Union Radio Corporation. Valve, 1978.1599. The Museum of Transport and Technology (MOTAT).
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