History of Africa

What Elijah McCoy best known for?

Elijah McCoy was best known for inventing and patenting several lubrication devices for steam engines, including the "drip cup" oiler and the "lubricator," which greatly improved the efficiency and longevity of steam-powered machinery. He obtained over 57 patents in his lifetime, mostly related to the lubrication of steam engines. McCoy's contributions significantly impacted the fields of engineering and transportation.