Holway Rectifying valve

Made:
London
maker:
Newton and Wright Limited

Rectifiers up to 150KV, 500mA for x-ray apperatus. A4696.

Details

Category:
Photographic Technology
Object Number:
1990-5036/8442
type:
rectifying valve
credit:
The Kodak Collection at the National Media Museum, Bradford
status:
Permanent collection

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