Elisha Otis and the Elevator - An Important Invention for Skyscrapers IEEE REACH 1:28 3 years ago 1 752 Далее Скачать
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Clip from Understanding Skyscrapers - some old Otis lifts with relays/selectors mrmattandmrchay 4:13 15 years ago 25 368 Далее Скачать
Como os elevadores mudaram o mundo | National Geographic Portugal National Geographic Portugal 3:04 3 years ago 919 Далее Скачать
Elisha Otis was the inventor of the safety elevator #asme #ansi #safety #elevator ANSI - American National Standards Institute 0:19 10 months ago 544 Далее Скачать
Elis G. Otis American Inventor of The Elevator/Lift Brake Paper Stories 3:37 2 years ago 104 Далее Скачать
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Elisha Otis, who is generally known as the inventor of the modern elevator. FACTical 0:18 2 years ago 619 Далее Скачать
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