Elijah McCoy: Specification for Improvement in Apparatus in Oiling Slide Valves, Filed March 12, 1887
01
Artifact Overview
Canadian-American inventor Elijah McCoy developed a mechanical lubricator to oil the slide valves on a steam locomotive. McCoy's device automatically supplied measured amounts of oil to the valve, reducing the need for crews to lubricate it manually. McCoy received a patent on his invention in 1872. He refined the device many times. This patent is for an 1887 modification.
Artifact Details
Artifact
Specification
Date Made
1887
Subject Date
12 March 1887
Creators
Collection Title
Location
at Henry Ford Museum in Made in America
Object ID
91.0.110.160
Credit
From the Collections of The Henry Ford.
Material
Paper (Fiber product)
Technique
Typewriting
Handwriting
Dimensions
Height: 13.375 in
Width: 8.125 in
Thickness: 0.063 in
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