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 350
e is another reason for their successful applica-tion to this work. Much confusion as well as time inoperating dumb waiters, even though they be power-driven,is eliminated by the continuous motion of the suspendedtrays. The operation of such machines is practically noise-less, particularly when… … Quick Service Promoted by Elevator are to be loaded and unloaded by hand, their speed shouldbe very low, preferably not over 40 ft. per min. Even with 344 CONVEYORS AND ELEVATORS FOR PACKED MATERIAL speeds as low as 30 ft. per min. the trays may be spacedclosely enough to give a very large…
Hoisting machinery · Conveying machinery
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