McVitie Weston valve collection, Telefunken valve, type ENV171
- Made:
- 1918
- maker:
- Telefunken
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Science Museum Group
© The Board of Trustees of the Science Museum
Telefunken valve, type ENV171, in plush-lined case
Science Museum Group
© The Board of Trustees of the Science Museum
Telefunken valve, type ENV171, in plush-lined case, baretter missing, (RMW/B154A - McVitie Weston number), by Telefunken, 1918.
