Details


Description
Glass bulb with point at the top with metal inside. Copper band runs around outside of base. Four metal pins at bottom.
Media/Materials
Processed Material/Glass
Processed Material/Metal
Processed Material/Metal/Copper
Processed Material/Synthetic/Plastic/Bakelite
Signature/Marks and Type
The famous French 'R' valve - Developed by the French Army for use in Military Wireless Communications. Was also made in England for use by the British Army in World War I 1916-1918. Label
Accession No
1978.1680
Credit Line
Valve, 1978.1680. The Museum of Transport and Technology (MOTAT).
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