Mazradia E4M triode valve (McVitie Weston valve collection), 1910-1960

Made:
1910-1960 in Rugby
maker:
British Thomson-Houston Company Limited

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

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

Mazradia E4M triode valve, large horned type, 4-pin base with grid pattern removed, pinch marked 4 18, made by the British Thomson-Houston Company Limited, Rugby, England, 1910-1960. McVitie Weston number = RMW/J124

Details

Category:
Electronic Components
Object Number:
1972-141/1335
Materials:
glass, metal (unknown) and plastic (unidentified)
type:
thermionic valve
taxonomy:
  • component - object
credit:
Donated by STC plc