Elijah McCoy: Engineer who received his 1st patent for an engine lubricator | Black History Facts
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- Опубликовано: 30 апр 2024
- Interested in learning about the engineer who received his first of 57 patents for creating an automatic lubricator that reduced downtime for train engine maintenance? Then my Elijah McCoy Black History Facts profile is for you.
Show notes are available at medianoire.com/blog/elijah-mcc....
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