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- Westinghouse Type DC Ammeter, 1889-1895 -
- 1889-1895
- Collections - Artifact
Westinghouse Type DC Ammeter, 1889-1895
- Westinghouse Shallenberger Ampere-hour Meter, 1888-1890 - Oliver B. Shallenberger, chief electrician at Westinghouse, invented the first successful AC ampere-hour meter in 1888. This meter measures the flow of electric current through a circuit. Early meters like this helped companies that supplied electricity to customers monitor usage and charge appropriate rates. Shallenberger's meter also paved the way for the acceptance of AC power distribution.
- 1888-1890
- Collections - Artifact
Westinghouse Shallenberger Ampere-hour Meter, 1888-1890
Oliver B. Shallenberger, chief electrician at Westinghouse, invented the first successful AC ampere-hour meter in 1888. This meter measures the flow of electric current through a circuit. Early meters like this helped companies that supplied electricity to customers monitor usage and charge appropriate rates. Shallenberger's meter also paved the way for the acceptance of AC power distribution.