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Image
Has Image
2
Non-Commercial Use
2
Category
Electricity Supply
2
Maker
S Z de Ferranti Limited
1
S.Z de Ferranti Ltd.
1
Siemens Bros. & Co.
1
Siemens Brothers and Company Limited, Siemens Brothers & Company
1
Object type
ammeters
1
ampere hour meters
1
mercury motor electricity supply meters
1
mercury motor electricity supply meters; ampere hour meters
1
Place
London
2
England
1
London, England, United Kingdom
1
London, Greater London, England, United Kingdom
1
Material
copper alloy
2
lacquered metal
2
metal
2
glass
1
insulating material
1
iron
1
paint
1
silvered metal
1
Date
From
To
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mercury motor type electricity supply meter by Ferranti
1884
Raworth's patent ammeter (510 amps)
1888
