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
Figs. 159 and 160 panel which is normally supported by a chain and fusiblelink but is free to slide in vertical steel guides. When thisdoor is closed it fits snugly into the chute and effectivelycloses off all connection between floors. On multiple blade spiral chutes it is often found…
Hoisting machinery · Conveying machinery
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
