Valve

Maker and role
Standard Telephones and Cables Limited, Manufacturer
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Object detail

Accession number
1978.1804
Description
Cylindrical, glass bulb pointed and silvered at the top. Metal filaments inside bulb. Metal bottom with four prongs for putting into a socket. The number "877G" is printed on a metal part inside the bulb.
Marks
877G Printed
Standard telephones / and / cables ltd / 4212D / Made in England / British patents / 17580/15 185030 / 204317 243200
Credit Line
Standard Telephones and Cables Limited. Valve, 1978.1804. The Museum of Transport and Technology (MOTAT).

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