Geek Trivia: Elisha Otis Paved The Way For The Skyscraper With The Invention Of?

1/10/2017 12:08:00 PM HowTo

Elisha Otis Paved The Way For The Skyscraper With The Invention Of?

Rivet Gun
Automatic Fire Sprinklers
Tempered Glass
Safety Elevators

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via: howtogeek.com

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