General Electric Type P Relay, circa 1920
01
Artifact Overview
As the electrical industry expanded, companies created equipment to protect valuable infrastructure used to generate and transmit electricity. Engineers developed relays to protect against service interruptions and keep equipment safe from abnormal current loads. These unassuming devices control the path of electricity, directing it to different circuit paths when needed.
Artifact Details
Artifact
Relay
Date Made
circa 1920
Creators
Place of Creation
Location
Not on exhibit to the public.
Object ID
72.131.2
Credit
From the Collections of The Henry Ford.
Material
Metal
Color
Black (Color)
Gold (Color)
Dimensions
Height: 10 in
Width: 6.75 in
Length: 6.5 in
Inscriptions
on plate:
INSTANTANEOUS/ OVERLOAD RELAY/ NO.194436 DL [blank]/ TYPE P FORM F-3/ AMP. 5 VOLTS [blank] / W.S.F. 91031 POLES 3/ PAT. JULY 23, 1907/ ML 853 G-3/ GENERAL ELECTRIC CO./ SCHENECTADY, N.Y., U.S.A./ N.P. 2450
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