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 305
, WINCHES jacent flange of the drum. The friction surfaces of theblocks may be of wood; asbestos; cork; various fabrics;or special compositions of metals having high frictionalqualities. The clutch is operated by means of a quick-pitchscrew which forces the drum along the shaft and into con-tact…
Hoisting machinery · Conveying machinery
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
