File:Factory and industrial management (1891) (14594709427).jpg

Identifier: factoryindustria35newy (find matches)
Title: Factory and industrial management
Year: 1891 (1890s)
Authors:
Subjects: Engineering Factory management Industrial efficiency
Publisher: New York (etc.) McGraw-Hill (etc.)
Contributing Library: Engineering - University of Toronto
Digitizing Sponsor: University of Toronto

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Text Appearing Before Image:
HEAVY BUCKETS IN EXCAVATING WORK. Above, a Hayward 3 cu. yd. orange-peel used by Henry Steers, Inc., for filling for the Pennsylvania Railway, Greenville, N. J. It handles pieces up to 5 and t3 tons. Below, an English locomotive crane with Hayward 2 cu. yd. clam-shell bucket, used by S. Pearson & Sons in cleaning a mixture of clay and stone from the roof of the P. N. Y. & L. I. tunnel. The Hayward Co., N. Y. 186 HOISTING AND HANDLING MACHINERY. 187 that when the latch is knocked up with a shovel or hammer the weightof the material in the bucket upsets it just enough to allow the mate-rial to fall out; then the empty bucket swings back into a verticalposition and clamps itself. These are much used on ordinary derrickwork, the 2 cubic-yard size being very common.
Text Appearing After Image:
AN EXTRA HEAVY BUCKET.Used by Page & Schnable. In New York the laborers or cellar diggers shovel the materialinto the bucket which the derricks hoist over the wagons, where it isdumped; the wagons being in turn dumped onto scows, making thehandling of the cellar excavation run up to $2 or $3 a yard as against25 cents in the country. Working these buckets should soon showthe advantages of the clam-shell, orange-peel, and similar formswhich feed themselves, doing away with much expensive labor andthe waste of time in waiting for the derrick, and in other delays. These self-filling buckets have two or more parts which are low-ered on to dirt, coal, gravel, sand, ore, etc., with wide-open jawswhich shut up as soon as hoisting begins, but not before they havescooped up a full load. Many mechanical devices are used to operate these jaws, and onthe larger sizes pneumatic power is used. A i cubic-foot orange-peelbucket costs about $100 and is useful in cramped quarters, such as

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