Westinghouse Type AOC Rheostat, 1888-1920
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Artifact Overview
Rheostats vary the amount of electrical resistance in a circuit. They proved beneficial as the use of electrical power expanded in the late 1800s. Among their many applications, rheostats helped motors start safely, controlled motor speed, maintained a constant current in battery chargers, and adjusted volume and light levels.
Artifact Details
Artifact
Rheostat
Date Made
1888-1920
Place of Creation
Collection Title
Location
Not on exhibit to the public.
Object ID
29.1333.330
Credit
From the Collections of The Henry Ford. Gift of Westinghouse Electric and Manufacturing Company.
Material
Metal
Marble (Rock)
Color
White (Color)
Black (Color)
Dimensions
Height: 14.25 in
Width: 20 in
Length: 20 in
Inscriptions
on plate:
WESTINGHOUSE ELEC. & M'F'G CO./ PITTSBURGH PA./ PATENTED/ LANGE MAY 29 1888/ OTHER PATENTS PENDING/ TYPE AOC NO. 4590
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