Building and Engineering Catalog 1921 Edition . Otis Gearless Traction Elevator. Overhead Type, Direct Current, Switch Control,. Otis Single Screw Geared Traction Elevator, Overhead Type. Direct Current, Switch Control. CONTINUED ON NEXT PAGE EVATORS 101 OTIS-FENSOM ELEVATOR COMPANY, LIMITED OTIS-FENSOM ELEVATOR COMPANY, LIMITED head offices:Otis-Fensom Building, 50 Bay Street, TORONTO, ONT. Offices in all Principal Cities of Canada.
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