Whitney Switchboard Ammeter, circa 1893
THF169237 / Whitney Switchboard Ammeter, circa 1893
01
Artifact Overview
Artifact Details
Artifact
Ammeter
Date Made
circa 1893
Place of Creation
Location
Not on exhibit to the public.
Object ID
29.1980.1132
Credit
From the Collections of The Henry Ford. Gift of the Edison Pioneers.
Material
Metal
Glass (Material)
Wood (Plant material)
Color
Brown
Gold (Color)
White (Color)
Black (Color)
Dimensions
Height: 9.5 in
Width: 8 in
Length: 3.625 in
Inscriptions
on face:
CONTINUOUS CURRENT/ AMMETER/ FOR VERTICAL POSITION/ WHITNEY ELECTRICAL INSTRUMENT CO./ Boston, Mass., U.S.A./ No. 1787
on plate:
PAT. MAY 16-1898/ 497,448/ 497, 521/ 497, 522
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