Minnesota Historia | Episode 4: Alexander Miles, Elevator Action Man

Описание к видео Minnesota Historia | Episode 4: Alexander Miles, Elevator Action Man

In the 1800s, elevator doors were often left open to chance. The last person to use those doors might remember to close them. Or they might not. Then a real estate developer in Duluth, Minnesota invented automatic elevator doors and made the whole world a safer place to elevate. But that was just another day in the incredible life of the richest black man in the Midwest, Alexander Miles.

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Minnesota Historia Season 3, Episode 4

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