Vapour rectifier

Made:
1940s in Great Britain

Hg vapour rectifier, 1 phase VU72 from National Valve Museum:

The VU72 was the pre-CV RAF code for the commercial mercury vapour rectifier type GU50. The latter exhibit has a clearer glass envelope and so the internal structure is easier to see. The maximum reservoir capacitor is 4 µF. The filament is a twin horseshoe of corrugated tape. The anode is a short dustbin lid connected to, and supported by the top cap.

Details

Category:
Radio Communication
Object Number:
Y1984.48.155
Materials:
glass, metal (unknown), plastic (unidentified)
type:
rectifier
taxonomy:
  • vehicles and vehicle components
  • vehicle component
credit:
Gift of Dr. G. R. Airth
status:
Permanent collection

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