Fotos triode valve with two top caps (McVitie Weston valve collection), 1916-1972

Made:
1916-1972 in Lyons
maker:
E C and A Grammont

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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
taxonomy:
  • component - object
credit:
Donated by STC plc