Sunday, February 24, 2019

Seven Black Inventors Whose Patents Helped Shape American Life

Mr. Morgan after putting his invention into practice in 1916, when he helped rescue injured workers from a tunnel after an explosion under Lake Erie. https://ift.tt/2BQ8KCC support@endlesssupplies.biz (Endless Supplies .Biz) February 24, 2019 at 07:00AM

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