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Wireless receiving valve

Description

Wireless receiving valve, R type, made by Marconi-Osram Valve Co., 1919 - 1929

Museum reference

T.1931.116

Collection

Industry and Commerce : Communications

Object name

Wireless receiving valve

Production information

Marconi-Osram Valve Co., Wireless equipment maker

Date

1916 - 1925

Materials

Physical description

Tin plated cap, brass pins

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