Edison's electrolytic A-H. meter?

Edison's electrolytic A-H. meter?

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Edison's electrolytic A-H. meter?
Science Museum Group
© The Board of Trustees of the Science Museum

Edison's electrolytic A-H. meter?

Details

Category:
Electricity Supply
Object Number:
1923-201
Materials:
lead, cork, copper, glass, plaster-of-paris, painted wood, painted steel, non-magnetic painted metal (possibly copper alloy), textile covered electrical wiring, plastic coated electrical wiring and plastic (rigid, red)
Measurements:
overall: 140 mm x 330 mm x 320 mm, , 3.6kg
type:
meter
credit:
Institution of Electrical Engineers