Tag: electric elevators

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Things tagged with 'electric elevators'

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Early Elevators and Engineering: Meeting a Need
from Building & Design Blog posted in Civil Engineering
Pathfinder Tags: electric elevators elevator Elisha Otis hydraulic elevators safety brakes
Created on 01/07/2011 3:40 PM
by Joe Moleski
Frank J. Sprague: Father of Electric Traction (Part 2)
from Great Engineers & Scientists posted in General Discussion
Pathfinder Tags: electric elevators electric railways electric traction July 25 October 25
Created on 02/04/2008 4:45 PM
by Steve Melito
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