GPO 50v gas detector No 4 in l

Made:
1954
GPO 50v gas detector No 4 in l GPO 50v gas detector No 4 with leather case made by the General

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GPO 50v gas detector No 4 in l
Science Museum Group
© The Board of Trustees of the Science Musuem

GPO 50v gas detector No 4 with leather case made by the General
Science Museum Group Collection
© The Board of Trustees of the Science Museum

General Post Office (GPO) 50v detector No 4 in leather case made by the General Electric Co. Ltd, 1954. For measuring voltage and electrical current.

Details

Category:
Telecommunications
Object Number:
Y2003.22.211.1
Measurements:
Overall: 120 mm x 75 mm x 105 mm,
type:
electric meter - portable ammeter
credit:
Gift of British Telecommunications plc