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 468
the runway. They occupyconsiderably more floor space than the closed center typeof the same capacity, but will accommodate a somewhatlarger package for the same width of runway. Fire doors are required at all openings where a spiralchute passes through floors. These doors should be held open by a…
Hoisting machinery · Conveying machinery
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
