McVitie Weston valve collection, Mullard ORA valve

Made:: 1922

maker:: Mullard Limited

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Mullard ORA valve, marked L.F.B
Science Museum Group
© The Board of Trustees of the Science Museum

Mullard ORA valve, marked L.F.B. B274, filament missing, (RMW/B116B - McVitie Weston number), by Mullard Limited, 1922.

Details

Category:: Electronic Components

Object Number:: 1972-141/367

type:: valve

credit:: STC plc

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McVitie Weston valve collection, Mullard ORA valve

Details

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