McVitie Weston valve collection

maker:
Royal Ediswan
SMG00313289

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SMG00313289
Science Museum Group
© The Board of Trustees of the Science Museum

Ediswan delay switch for power supply, type D.L.S.I., B4 base, pinch marked 720A, (RMW/Y43 - McVitie Weston number), made by Royal Ediswan.

Details

Category:
Electronic Components
Object Number:
1972-141/1551
type:
valve
credit:
STC plc