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- Whitney Switchboard Voltmeter, circa 1893 -

- circa 1893
- Collections - Artifact
Whitney Switchboard Voltmeter, circa 1893
- Whitney Meter, 1895-1909 -

- 1895-1909
- Collections - Artifact
Whitney Meter, 1895-1909
- Whitney Ammeter, 1895-1909 -

- 1895-1909
- Collections - Artifact
Whitney Ammeter, 1895-1909
- Whitney S.K.C. System Voltmeter, circa 1899 -

- circa 1899
- Collections - Artifact
Whitney S.K.C. System Voltmeter, circa 1899
- Whitney Ammeter, circa 1908 -

- circa 1908
- Collections - Artifact
Whitney Ammeter, circa 1908
- Whitney S.K.C. System Ammeter, circa 1899 - In the late 1800s and early 1900s, companies that supplied electricity to consumers needed a variety of instruments to regulate and monitor electrical output. These instruments were vital to the operation of power stations and needed to be accurate and rugged. Ammeters--used to measure the current in a circuit--could be found on switchboards or connected to motors and generators.

- circa 1899
- Collections - Artifact
Whitney S.K.C. System Ammeter, circa 1899
In the late 1800s and early 1900s, companies that supplied electricity to consumers needed a variety of instruments to regulate and monitor electrical output. These instruments were vital to the operation of power stations and needed to be accurate and rugged. Ammeters--used to measure the current in a circuit--could be found on switchboards or connected to motors and generators.
- Whitney Switchboard Ammeter, circa 1893 -

- circa 1893
- Collections - Artifact
Whitney Switchboard Ammeter, circa 1893
- Whitney Switchboard Voltmeter, circa 1894 -

- circa 1894
- Collections - Artifact
Whitney Switchboard Voltmeter, circa 1894
- Whitney Switchboard Voltmeter, circa 1892 -

- circa 1893
- Collections - Artifact
Whitney Switchboard Voltmeter, circa 1892
- Whitney Wattmeter, 1903 -

- 1903
- Collections - Artifact
Whitney Wattmeter, 1903