Elijah McCoy: Specification for Improvement in Apparatus in Oiling Slide Valves, Filed March 12, 1887

Summary

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.

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

Specifications

Date Made

1887

Subject Date

12 March 1887

Henry Ford Museum
 On Exhibit

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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