Do you know about the Real McCoy?
Elijah McCoy's lubricator for steam engines was patented on 12 July 1872.
Elijah McCoy was a 19th century African-American inventor best known for inventing lubrication devices used to make train travel more efficient. Elijah McCoy, born on 2 May 1844, in Colchester, Ontario, Canada, to George and Mildred Goins McCoy. The McCoys were fugitive slaves who had escaped from Kentucky to Canada via the Underground Railroad.
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