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AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
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may 5, 1921 - Otis Engineers, Led By David Lindquist, Add Improvements Resulting In Today's Escalator.

Added to timeline:

26 Sep 2017
0
0
188
Escalator

Date:

may 5, 1921
Now
~ 97 years ago
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