File:Factory and industrial management (1891) (14594545979).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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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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y w i88 HOISTING AND HANDLING MACHINERY. 189 digging between piles, etc; $700 will buy a good i cubic-yard one,$1,400 a 3 cubic-yard, while an extra-heavy 10 cubic-yard bucket costsas much as $4,000. Clam shells are a little cheaper; the ^ cubic-yard size being $350,the I cubic-yard $480, and the 5 cubic-yard $1,000 to $3,000. Theseprices may seem excessive, but when compared with the cost of menfilling plain buckets they are insignificant. The only apology forstating such self-evident facts is that one can go almost anywhereand see a gang shoveling dirt or other material into a bucket, orwaiting for the bucket to come back, and then go around the cornerand see the self-feeding buckets or excavators doing the work for afraction of the cost—though, of course, there are places w^here noth-ing but the old-fashioned forms can be Used.

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