McVitie Weston valve collection, Standard valve, type 4022A

Standard valve, type 4022A, R etched on top of valve envelope

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Standard valve, type 4022A, R etched on top of valve envelope
Science Museum Group
© The Board of Trustees of the Science Museum

Standard valve, type 4022A, R etched on top of valve envelope, (RMW/A145A - McVitie Weston number), by Standard Telephones and Cables Limited.

Details

Category:
Electronic Components
Object Number:
1972-141/145
type:
valve
credit:
STC plc