File:Foundry practice; a treatise on molding and casting in their various details (1909) (14762044016).jpg

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Identifier: foundrypracticet01tate (find matches)
Title: Foundry practice; a treatise on molding and casting in their various details
Year: 1909 (1900s)
Authors: Tate, James M. (James Murray), b. 1852 Stone, Melvin O. (Melvin Oscar), b. 1877, jt. author
Subjects: Founding
Publisher: New York, J. Wiley & sons (etc., etc.)
Contributing Library: The Library of Congress
Digitizing Sponsor: Sloan Foundation

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Text Appearing Before Image:
pensable. By use of pneumatic tools andmachinery the cost of foundry products is greatly reduced.The appliances operated by compressed air are the pneu-matic crane, hoist, molding machine, sand sifter, chippinghammer, screen shaker, sand rammer, and sand-blastmachine. The pneumatic crane is shown in Fig. 91. All move-ments of the crane are controlled by the operator in thecarriage. The pneumatic hoist is shown in Fig. 92. In liftingcopes and drawing patterns, the most perfect and regularmotion is required to prevent sticks, tears, anddrop-outs. A jerk is fatal to the mold. This hoistmay be moved with a speed as slow and as regular as thehour hand of a clock, and a change of speed may bemade without a sudden jerk or jar. It may be operatedrapidly as well. A pneumatic molding machine is shown in Fig. 93. The pneumatic sand sifter is shown in Fig. 94. Thismachine is operated by an air cylinder directly con-nected to the sifter. The air is supplied to the cylinder 185 186 FOUNDRY PRACTICE
Text Appearing After Image:
Fig. 92. COMPRESSED AIR FOR FOUNDRY PURPOSES 187

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Flickr tags
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  • bookid:foundrypracticet01tate
  • bookyear:1909
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Tate__James_M___James_Murray___b__1852
  • bookauthor:Stone__Melvin_O___Melvin_Oscar___b__1877__jt__author
  • booksubject:Founding
  • bookpublisher:New_York__J__Wiley___sons
  • bookpublisher:__etc___etc__
  • bookcontributor:The_Library_of_Congress
  • booksponsor:Sloan_Foundation
  • bookleafnumber:196
  • bookcollection:library_of_congress
  • bookcollection:americana
Flickr posted date
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30 July 2014

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