Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry (1921)
Wright, Roydon Vincent, 1876- ed, Little, John G., joint ed, Augur, Robert C., joint ed · New York, N.Y., Simmons-Boardman Publishing Co · leaf 765
quirements of freightelevator service. They canbe furnished in single ortwo-speed designs as theservice demands. The two-speed motors permit high-er operating speeds of theelevator car with smoothacceleration and accuratehandling. The single Full Magnetic Control Panelfor A. C. Elevator Motors.… … Full Magnetic Control Panel for D. C.Elevator Motors. speed motor canbe furnished insizes up to 100H. P. and thetwo-speed up toSO H. P. The Westing-house Companymanu f act uresA. C. elevatorcontrollers forboth single andtwo - speed squir-rel-cage andwound rotor mo-tors in ratingsfrom 3 to 100 H.P.…
Hoisting machinery · Conveying machinery
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