McVitie Weston valve collection, Britannia valve, type H.F.
- maker:
- Britannia Batteries Limited
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Britannia valve, type H.F., pinch cast '. .
Science Museum Group
© The Board of Trustees of the Science Museum
Britannia valve, type H.F., pinch cast '. . .', (RMW/E97A - McVitie Weston number), by Britannia Batteries Limited.
