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 538
(f) Where an industrial rail system with expensive STORAGE BATTERY TRACTORS 531 cars cannot be abandoned; the tractor for this installa-tion to run either on the rails or on the floor or roadway.Three types of storage battery tractors are available. Three-Wheel Type This type is best suited for… … Three-Wheel Tractor tor to meet average hauling conditions, but is especiallyadapted to places where it must work in narrow aisles, orin difficult alcoves and must run through small doorways. It is primarily a machine for indoor service. It is sturdyin construction and turns in very close…
Hoisting machinery · Conveying machinery
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