First Patent Of Elijah McCoy - Illustration of Elijah McCoy's first patent, the self-regulating lubricator. Also includes a biography of the inventor.
Wikipedia: Elijah McCoy - User-created entry on Canadian inventor Elijah McCoy, whose many patents included one for an automatic lubricator for oiling the steam engines of locomotives.
Elijah McCoy (1843-1929) - Biography of inventor Elijah McCoy. Covers his education in Scotland, early jobs, and the impact of his automatic lubricator for steam engines.