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BuyLicense this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-SA 4.0 Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseS
Science Museum Group Collection
© The Board of Trustees of the Science Museum
S
Science Museum Group Collection
© The Board of Trustees of the Science Museum
S
Science Museum Group Collection
© The Board of Trustees of the Science Museum
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
