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Transmission & Distribution: Meters & Tools

Fort Wayne-Duncan ampere-hour meter, 1895

Fort Wayne-Duncan ampere-hour meter, 1895

Item 74515 info
Maine Historical Society

Meters

Developed by Thomas Duncan for alternating current arc-lamp systems, this meter measures the number of amperes consumed by a series of 10 lamps over time.

Companies supplying electric power sought a meter that would accurately record all types of usage.


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