OTIS ELEVATOR Company Postal History Cover 1932 Corner Card

OTIS ELEVATOR Company Postal History Cover 1932 Corner Card

Otis Elevator Company- #Repair #Modernization #Maintenance #Escalators #Elevators in #KansasCity #Kansas

Otis Elevator Company- #Repair #Modernization #Maintenance #Escalators #Elevators in #KansasCity #Kansas

Vertical cylinder, rope-geared hydraulic elevator with 2:1 gear ratio and rope control (about 1880). For higher rises and speeds, ratios of up to 10:1 were used, and the endless rope was replaced by a lever. (Courtesy of Otis Elevator Company.)

Vertical cylinder, rope-geared hydraulic elevator with 2:1 gear ratio and rope control (about 1880). For higher rises and speeds, ratios of up to 10:1 were used, and the endless rope was replaced by a lever. (Courtesy of Otis Elevator Company.)

pin 4
Elisha Graves Otis (1811-1861) was the founder of the Otis Elevator Company, and inventor of a safety device that prevents elevators from falling if the hoisting cable fails.

Elisha Graves Otis (1811-1861) was the founder of the Otis Elevator Company, and inventor of a safety device that prevents elevators from falling if the hoisting cable fails.

pin 2
Otis Elevator Company - Wikipedia, the free encyclopedia

Otis Elevator Company - Wikipedia, the free encyclopedia

Pinterest • The world’s catalogue of ideas
Search