McVitie Weston valve collection, valve, type PO/VA No. 1
- Made:
- 1919
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Science Museum Group
© The Board of Trustees of the Science Museum
Valve, type PO/VA No
Science Museum Group
© The Board of Trustees of the Science Museum
Valve, type PO/VA No. 1, sprial anode, (RMW/E120 - McVitie Weston number), by Unknown maker, 1919.
