Sangamo Electric Company Type H Wattmeter, 1911-1914
Add to SetSummary
In the late 1800s, companies that supplied electricity to consumers needed a way to measure how much customers used--and then charge them accordingly. Induction-type wattmeters proved reliable and would become the industry standard, but until 1910 Westinghouse held the patent rights. Sangamo Electric Company introduced this induction-type meter -- the smallest model on the market at the time -- in 1911 after the Westinghouse patents had expired.
In the late 1800s, companies that supplied electricity to consumers needed a way to measure how much customers used--and then charge them accordingly. Induction-type wattmeters proved reliable and would become the industry standard, but until 1910 Westinghouse held the patent rights. Sangamo Electric Company introduced this induction-type meter -- the smallest model on the market at the time -- in 1911 after the Westinghouse patents had expired.
Artifact
Wattmeter
Date Made
1911-1914
Location
Not on exhibit to the public.
Object ID
43.141.39
Credit
From the Collections of The Henry Ford. Gift of Consumers Power Company.
Material
Metal
Glass (Material)
Color
Black (Color)
White (Color)
Dimensions
Height: 7 in
Width: 6 in
Length: 6.25 in
Inscriptions
on face: TYPE H WATTHOUR METER/ SANGAMO ELECTRIC COMPANY/ SPRINGFIELD, ILLINOIS on readout: 10923 kilowatt hours on plate at bottom: AMPS 5/ VOLTS 110/ CYCLES 60/ 2 WIRE/ WATTHOURS PER DISK REV. 5/24/ LINE 3962/ NO. 1138524/ LOAD
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