Mazda QP.240 battery double output pentode valve (McVitie Weston valve collection), 1935
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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
Mazda QP.240 battery double output pentode valve, B9 base, pinch marked K171, made by the British Thomson-Houston Company Limited, Rugby, England, 1935. McVitie Weston number = RMW/Y170
Details
- Category:
- Electronic Components
- Object Number:
- 1972-141/1684
- Materials:
- glass, metal (unknown) and plastic (unidentified)
- type:
- thermionic valve
- taxonomy:
-
- component - object
- credit:
- Donated by STC plc
