Fotos triode valve with two top caps (McVitie Weston valve collection), 1916-1972
- maker:
- E C and A Grammont
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Buy this image as a print
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License
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Fotos triode with two top caps, horned type, B4 base, made by E.C.& A. Grammont, Lyons, France, 1916-1972. McVitie Weston number = RMW/B60
Details
- Category:
- Electronic Components
- Object Number:
- 1972-141/300
- Materials:
- glass and metal (unknown)
- Measurements:
-
overall: 120 mm x 80 mm diameter, 0.059 kg
- type:
- thermionic valve
- credit:
- Donated by STC plc
