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This Inventor Risked His Life on His Own Invention

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1,872 צפיות· 10/22/23

Smithsonian Channel
1,606 מנויים

ב Discovery

In 1916, 32 men were trapped in a mine near Lake Erie. Garrett Morgan saw an opportunity to prove his fireproof hood worked - and went in to rescue them. From: MY MILLION DOLLAR INVENTION:...

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