Valve
Maker and role
Marconi Instruments Limited, Manufacturer
Production date
16 Aug 1967
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Object detail
Accession number
1978.1789
Description
Four black metal pieces clipped onto a cylinder. On the cylinder is a glass bulb with filaments inside. On the end of the glass bulb are copper wires. At extreme top is ceramic electraical plate wiith two metal prongs and two metal hooks facing down.
Marks
ACT9 / Made in England Label
Media/Materials
Credit Line
Marconi Instruments Limited. 16 Aug 1967. Valve, 1978.1789. The Museum of Transport and Technology (MOTAT).
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