Marconi Osram thermionic diode valve

Made:: 1935 in England

maker:: Marconiphone Company Limited

Marconi Osram thermionic diode valve
Science Museum Group
© The Board of Trustees of the Science Musuem

Marconiphone thermionic diode valve with cardboard box.

U35 GH 2

Details

Category:: Radio Communication

Object Number:: Y7001.684

Materials:: plastic (unidentified), glass, metal (unknown) and cardboard

Measurements:: overall: 165 mm x 71 mm x 71 mm,

type:: thermionic valve and diode

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Marconi Osram thermionic diode valve

Details

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