Mullard EF9 VM RF pentode valve (McVitie Weston valve collection), 1939
- maker:
- Mullard Limited
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Licence
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BuyLicense 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
Mullard EF9 VM RF pentode valve, Ct8+tc base, red painted envelope marked 'SAMPLE', made by the Mullard Limited, Mitcham, London, England, 1939. McVitie Weston number = RMW/Y238
Details
- Category:
- Electronic Components
- Object Number:
- 1972-141/1757
- Materials:
- glass, metal (unknown) and plastic (unidentified)
- Measurements:
-
overall: 90 mm x 40 mm diameter,
- type:
- thermionic valve
- credit:
- Donated by STC plc
