Trending Elijah J Mccoy Quotes / Improvement in lubricators for steam engines—mccoy, a mechanical engineer from detroit, mich., developed an automatic lubricator that provided a constant flow of oil onto machine parts as the machine was working. The coined phrase the real mccoy is derived from elijah, who was a famous american inventor. Elijah J Mccoy Quotes / Elijah cummings quotes on hope and justice.
