S.215 dummy valve, 1920-1929
- Made:
- 1920-1929 in Hammersmith
- maker:
- M-O Valve Company Limited
S.215 dummy valve, Osram RF triode, made by the M-O Valve Company Limited, Hammersmith, London, England, 1920-1929.
Details
- Category:
- Electronic Components
- Object Number:
- 1929-392
- Materials:
- plastic (unidentified), metal (unknown) and glass
- Measurements:
-
overall: 130 mm x 50 mm x 50 mm,
- type:
- thermionic valve
- credit:
- Donated by the M. O. Valve Company Limited