Valve
Maker and role
Marconi's Wireless Telegraph Company Limited, Manufacturer
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Object detail
Accession number
1978.1672
Description
Glass tube with pointed metal ends. Metal inside. 2 round metal caps opposite each other at both ends. Metal bracket clipped to side. Single glass point between metal end and attached bracket.
Marks
Marconi's W.T. Co. Ltd. Etched
Early British hard valves. These valves had plain tungsten filaments running at white heat and had a high vacuum c.1922-1924. Label
Early British hard valves. These valves had plain tungsten filaments running at white heat and had a high vacuum c.1922-1924. Label
Media/Materials
Credit Line
Marconi's Wireless Telegraph Company Limited. Valve, 1978.1672. The Museum of Transport and Technology (MOTAT).
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