『We Gonna Learn Today (Elijah McCoy)』のカバーアート

We Gonna Learn Today (Elijah McCoy)

We Gonna Learn Today (Elijah McCoy)

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Elijah McCoy is best known for his numerous inventions related to lubrication, and his most famous for his contributions to the development of lubrication systems for steam engines. Which were used to improve the efficiency of steam engines and other machinery.

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