McVitie Weston valve collection, Mullard valve, type DAG1
- maker:
- Mullard Limited
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Science Museum Group
© The Board of Trustees of the Science Museum
Mullard valve, type DAG1, miniature
Science Museum Group
© The Board of Trustees of the Science Museum
Mullard valve, type DAG1, miniature, (RMW/Y57 - McVitie Weston number), by Mullard Limited.
