E.S.75 wireless valve, 1883-1930
- Made:
- 1883-1930 in Ponders End
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Science Museum Group Collection
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Type E.S.75 wireless valve, Edison output triode, made by the Edison & Swan United Electric Light Company, Ponders End, London, England, 1883-1930
Details
- Category:
- Electronic Components
- Object Number:
- 1930-696
- Materials:
- metal (unknown), glass and plastic (unidentified)
- Measurements:
-
overall: 250 mm x 90 mm x 90 mm,
- type:
- thermionic valve
- credit:
- Donated by the Edison and Swan Electric Light Company Limited
