McVitie Weston valve collection, BTH valve, type R4

Made:: 1917

maker:: British Thomson-Houston Company Limited

BTH valve, type R4, pinch marked R4
Science Museum Group
© The Board of Trustees of the Science Musuem

BTH valve, type R4, pinch marked R4, (RMW/B37 - McVitie Weston number), by British Thomson-Houston Company Limited, 1917.

Details

Category:: Electronic Components

Object Number:: 1972-141/279

type:: valve

credit:: STC plc

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McVitie Weston valve collection, BTH valve, type R4

Details

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