M.T.9.F. dummy valve, 1920-1929
- Made:
- 1920-1929 in Hammersmith
- maker:
- M-O Valve Company Limited
M.T.9.F. dummy valve, manufactured by the M-O Valve Company Limited, Hammersmith, London, England, 1920-1929
Details
- Category:
- Electronic Components
- Object Number:
- 1929-396
- Materials:
- glass, plastic (unidentified) and metal (unknown)
- type:
- thermionic valve
- credit:
- Donated by the M.O. Valve Co. Ltd. (formerly Marconi-Osram Valve Co. Ltd.)
