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Elijah McCoy was an African American inventor and engineer best known for inventing a lubricating device that allowed steam engines to run more efficiently without frequent stops for maintenance. His invention, patented in 1872, revolutionized the railroad industry by improving the reliability and efficiency of locomotives. McCoy's contributions were so significant that the phrase "the real McCoy" emerged, indicating something genuine or high-quality, which reflects his lasting impact on innovation and engineering. His work is a crucial part of African American history and highlights the contributions of Black inventors in the face of systemic challenges.

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2w ago

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