McVitie Weston valve collection, Ediswan valve, type R4A

Made:: circa 1918

Ediswan valve, type R4A, letter F cast on pinch
Science Museum Group
© The Board of Trustees of the Science Musuem

Ediswan valve, type R4A, letter F cast on pinch, (RMW/B41 - McVitie Weston number), by Royal Ediswan, c. 1918.

Details

Category:: Electronic Components

Object Number:: 1972-141/283

type:: valve

credit:: STC plc

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McVitie Weston valve collection, Ediswan valve, type R4A

Details

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