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Weston Direct-Reading Ammeter

Weston Direct-Reading Ammeter
Model #6367, believed to be manufactured December 15, 1898 by the Weston Electrical Instrument Company, Newark, New Jersey. Edward Weston introduced this type of meter in 1889 and was a serious competitor of Thomas Edison in the development of electricity. This ammeter was the first pivoted moving coil meter as well as the first thoroughly reliable direct-reading meter.

Object ID: USGS-000253

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