McVitie Weston valve collection, Louden valve, type F2

Made:
1924
Louden valve, type F2

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Louden valve, type F2
Science Museum Group
© The Board of Trustees of the Science Museum

Louden valve, type F2, pip and top of glass envelope painted blue, (RMW/B140 - McVitie Weston number), by Unknown maker, 1924.

Details

Category:
Electronic Components
Object Number:
1972-141/393
type:
valve
credit:
STC plc