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 285
craper into the ends of the car,and to scrape the material out, without the necessity ofthe operator going back into the car. Suction Type The suction types of box car unloaders are equippedwith rotary fans which, by drawing the air out of an airtight bin or hopper, cause a vacuum which in turn… … a,a, HH
Hoisting machinery · Conveying machinery
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
