Westinghouse Shallenberger Ampere-hour Meter, 1888-1890
THF163980 / Westinghouse Shallenberger Ampere-hour Meter, 1888-1890
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Artifact Overview
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.
Artifact Details
Artifact
Meter (Measuring device)
Date Made
1888-1890
Place of Creation
Creator Notes
Manufactured by Westinghouse Electric Company, Pittsburgh, Pennsylvania, using the patents of O. B. (Oliver Blackburn) Shallenberger.
Location
Not on exhibit to the public.
Object ID
31.1217.225
Credit
From the Collections of The Henry Ford. Gift of Edison Laboratories.
Material
Metal
Glass (Material)
Enamel (Fused coating)
Color
Black (Color)
White (Color)
Dimensions
Height: 8.75 in
Width: 6.25 in
Length: 725 in
Inscriptions
on plate:
NO 19275/ WESTINGHOUSE ELECTRIC CO./ PITTSBURGH PENNA., U.S.A./ O. B. SHALLENBERGER'S PATENTS/ AUG. 14 1888./ NO 388003 & 388004/ CAPACITY 20 AMPERES
on readout:
WESTINGHOUSE ELECTRIC CO./ PITTSBURGH PA. U.S.A./ O.B. SHALLENBERGER'S PATENTS NOS 388003/ 388004/ AUG. 14, 1888/ 19275 CAPACITY 20 AMP'S
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