Mazradia E4M triode valve (McVitie Weston valve collection), 1910-1960
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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
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, plastic (unidentified) and metal (unknown)
- Measurements:
-
overall: 180 mm x 100 mm diameter, 0.124 kg
- type:
- thermionic valve
- credit:
- Donated by STC plc
