Glass bulb with point at the top with metal inside. Copper band runs around outside of base. Four metal pins at bottom.
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
Credit Line
Valve, 1978.1680. The Museum of Transport and Technology (MOTAT).

The development of MOTAT's online platform is a continual process. Records are updated regularly, with new information and images. There may be mistakes or omissions in the information provided and we welcome input from the public.

 Do you know something about this object? Contact us or comment below.

Be the first to comment.