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 639
Ground Throw crank the movement of the throw will be parallel to thetrack. A low switch stand with a target may be added to theground throw or a higher stand with a lever may be usedinstead. The shaft is usually extended above the target … Switch Stand and made sqjuare so that a lantern may be used if desired. Spring connecting rods may be used in connection withground thrown or switch stands. Their use is often de-sirable, as they permit a car to trail- through a switchwithout being derailed, even when the switch is not setfor such…
Hoisting machinery · Conveying machinery
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