M.T.9 dummy valve, 1920-1929

Made:
1920-1929 in Hammersmith
maker:
M-O Valve Company Limited

M.T.9 dummy valve, manufactured by the M-O Valve Company, Hammersmith, London, England, 1920-1929

Details

Category:
Electronic Components
Object Number:
1929-395
Materials:
glass, metal (unknown) and plastic (unidentified)
type:
thermionic valve
credit:
Donated by the M.O. Valve Co. Ltd. (formerly Marconi-Osram Valve Co. Ltd.)