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 342
satisfactoryif mounted on rails. However, if the ground is hard orhas a concrete or similarly firm surface, rails are not nec- essary. Either electric motor or gas engine drive is usual,although wherever the current is available the former isto be preferred. ConstructionBags The inclined arm… … Delivering Cement by Temporary Elevator platforms are some distance from storage, these machinesare frequently built with horizontal runs, serving the doublepurpose of conveying and elevating. There are few partsin this type elevator which are affected by exposure to theweather, and little…
Hoisting machinery · Conveying machinery
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