File:Factory and industrial management (1891) (14594413590).jpg

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English:

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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About This Book: Catalog Entry
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Text Appearing Before Image:
re is no longerany trouble caused by one end getting ahead of the other; we stillhave always the horizontal deflection of the main girders to takecare of. It would seem that, if the Quebec bridge had been designed withthe same regard for the theory of the column that crane engineershave always been obliged to use, that ill-fated bridge would bestanding yet. There are five distinct classes of bridge cranes: I.—Those made of two I-beams carrying the trolley rail on thetop flanges and good for short spans only. The spans, however, canbe much increased by the new beam shapes being introduced by theBethlehem Steel Co. 2.—Two ordinary plate girders placed from 2 to 6 feet apart, eachcarrying a trolley rail on top. 3-—Two box girders, each carrying two rails on top or four railsin all. 4.—Two plate girders placed several feet apart with their topflanges firmly braced together. In this case, the trolley rails are car-ried on the bottom flange or on a shelf angle bolted on the web near
Text Appearing After Image:
HEAVY LADLE CRANES IN AMERICAN STEEL WORKS. All are of 100-tons capacity with 25-ton auxiliary. The upper plant is the Union Steel Co., Donora, now part of the Carnegie Steel Co.; span 59 ft. 8 in., lift of main hoist 27 ft. and of auxiliary 31 ft. The lower is at the Illinois Steel Co. and is of 55 ft. span. Such an instalation is worth $29,000 to $25,000. The Well- man-Seaver-)\Ioigan Co. 41

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https://www.flickr.com/photos/internetarchivebookimages/14594413590/

Author Internet Archive Book Images
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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Volume
InfoField
35
Flickr tags
InfoField
  • bookid:factoryindustria35newy
  • bookyear:1891
  • bookdecade:1890
  • bookcentury:1800
  • booksubject:Engineering
  • booksubject:Factory_management
  • booksubject:Industrial_efficiency
  • bookpublisher:New_York__etc___McGraw_Hill__etc__
  • bookcontributor:Engineering___University_of_Toronto
  • booksponsor:University_of_Toronto
  • bookleafnumber:47
  • bookcollection:torontoengineering
  • bookcollection:toronto
Flickr posted date
InfoField
30 July 2014



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