File:Illustrated catalogue and general description of improved machine tools for working metal (1899) (14773509435).jpg

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English:

Identifier: illustratedcatal00sell (find matches)
Title: Illustrated catalogue and general description of improved machine tools for working metal
Year: 1899 (1890s)
Authors: Sellers, William, & co. (from old catalog)
Subjects: Machine-tools Machinery
Publisher: Philadephia, Levytype company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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Text Appearing Before Image:
150-TON ELECTRIC TRAVELLING CRANE. Built for the Homestead Works of the Carnegie Steel Co., Ltd. 50 feet span, provided with two trolleys, 75 gross tons each, with 30 feetclear lift. Bridge carried upon eight 37 wheels arranged in pairs, supported inequalizing trucks connected to the bridge by large fulcrum pins and steel bear-ings. Two of the wheels at each end are driven. The load of 75 tons is carriedupon six parts of i^i chain, arranged so that the lift is vertical, and there isno tendency to lateral movement or to twisting of the load. The hoisting motorsand those for the bridge travel are controlled by the series-multiple system.The lower frame of the trolley is plated underneath to protect it from the heatof the large masses of hot metal over which it is used. 302 Wm. Sellers & Co., Incorporated, Philadelphia, Pa. Plate No. 252.
Text Appearing After Image:
CENTRIFUGAL SAND-MIXING MACHINE. EXPEDITIOUS. EFFECTIVE. ECONOMICAL- For disintegrating lumpy sand and mixing all kinds of moulding and core-sand quickly and economically. Will handle the sand as fast as two men canshovel it in. It consists of a rapidly revolving table, having on its upper surfacea number of prongs projecting upward. The sand is fed through the hopper andthrown by centrifugal force from prong to prong, and out against the cover fromwhich it emerges in a fine shower free from lumps and thoroughly mixed. Hop-per is hinged for convenience of cleaning the prongs and removing the stones,nails, etc., which do not pass between them. Wm. Sellers & Co., Incorporated, Philadelphia, Pa. 303 Railway Turn=TabIes. GREAT changes have taken place in the size and weight of locomotives sincewe first began (over forty years ago) the manufacture of cast-iron railwayturn-tables. To meet these changing conditions, we have from time totime remodelled our patterns and added larger sizes

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Flickr tags
InfoField
  • bookid:illustratedcatal00sell
  • bookyear:1899
  • bookdecade:1890
  • bookcentury:1800
  • bookauthor:Sellers__William____co___from_old_catalog_
  • booksubject:Machine_tools
  • booksubject:Machinery
  • bookpublisher:Philadephia__Levytype_company
  • bookcontributor:The_Library_of_Congress
  • booksponsor:The_Library_of_Congress
  • bookleafnumber:307
  • bookcollection:library_of_congress
  • bookcollection:americana
Flickr posted date
InfoField
29 July 2014

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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/14773509435. It was reviewed on 14 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

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