McVitie Weston valve collection, Mullard ORA valve

maker:
Mullard Limited
Mullard ORA valve, marked F64, red spot on base

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Mullard ORA valve, marked F64, red spot on base
Science Museum Group
© The Board of Trustees of the Science Museum

Mullard ORA valve, marked F64, red spot on base, filament broken, (RMW/B117 - McVitie Weston number), by Mullard Limited.

Details

Category:
Electronic Components
Object Number:
1972-141/368
type:
valve
credit:
STC plc