Shows how manufacturer's engineers have made thorough study of each part and developed a capable elevator hoist.
Mechanical features of the gearless traction elevator motor and brake
Gen. Elec. Rev
General Electric Review ; 27 , n 6
1924
5 pages
7 Figs.
Article (Journal)
English
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ALTERNATING-CURRENT ASYNCHRONOUS GEARLESS VARIABLE-SPEED TRACTION MACHINE AND ELEVATOR SYSTEM
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