18
/
en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
737795
62485
2

apr 9, 1857 - Demonstrated safety brake

Description:

Otis demonstrated his safety brake elevator

Added to timeline:

10 months ago
0
0
130
Elevator Brake
Elisha Graves Otis

Date:

apr 9, 1857
Now
~ 161 years ago
PayPal - The safer, easier way to pay online!logo
About & FeedbackTermsPrivacy