Mercury motor electric consumption meter

Made:
1883 in London
maker:
S Z de Ferranti

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Electric consumption meter, mercury motor, made by Sebastian Ziani de Ferranti in London, 1883, inscribed to front "FERRANTI PATENT ELECTRICITY METER NO 62 CAPACITY 10 CONSTANT 125.6", S. Z. de Ferranti introduced the first practical mercury meters, current flowing through a bath of mercury turns paddles, driving the wheels of the clock register.

Details

Category:
Electricity Supply
Object Number:
Y1996.10.235
type:
electric meter
credit:
Gift of Sebastian de Ferranti, Ferranti International plc and the Administrative Receivers for Ferranti International, Murdoch McKillop and John Talbot of Arthur Andersen.

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