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File:Mechanical Contracting and Plumbing January-December 1909 (1909) (14783376932).jpg

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Description
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Identifier: mechcontract1909toro (find matches)
Title: Mechanical Contracting & Plumbing January-December 1909
Year: 1909 (1900s)
Authors:
Subjects: Air conditioning Refrigeration and refrigerating machinery Heating Plumbing
Publisher: Toronto : Maclean-Hunter Pub. Co.
Contributing Library: Fisher - University of Toronto
Digitizing Sponsor: University of Toronto

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Text Appearing Before Image:
, the pins on chasers marked Bbeing held in the outer part of the slotsas shown by arrow (%). Movement ofthe cam towards the setting necessaryto thread %-inch pipe brings the pins ontlie chasers marked B into the outerslot, thus throwing the chasers clearof the larger size pipe. Further move-ment of the cam plate in this directionmoves the pins in chasers B to the posi-tion shown by arrow while ttiechasers A remain unmoved on accountof the slot at arrow (%) being concen-tric. The clearance for the larger sizepipe is further assured by placing thepins on chasers B nearer the outsideend than those on chasers A. The pointer at D coincides with indi-cator marks on the top of cam. Theclamp at E is to hold the cam andchasers in position. A bearing plate isscrewed on above the cam and servesto take up all wear. An additional feature is the adjust-able bushings to steady the stuck onthe pipe. These bushings, in 3 seg-ments, are also operated by a slottedcam, the outer edge of which is heavily
Text Appearing After Image:
Knurled Pig. 2.—Plan and Elevation of Die-Stock (Cam Removed). are entirely separate from each otherso as to be readily removed and sharpen-ed. Fig. 1 is the plan of the undersideof the cam or adjusting plate, and showsthe slots which engage the pins on eachchaser. knurled to facilitate operations. Thcsbushings take up any differences, how-ever small, in the diameter of thepipe, and are held in place by a thumb-screw clamp. The whole stock is sturdily made of 21 malleable iron, the parts are simple andeasily cleaned. The Beaver die stock,in six sizes, ranging from V4-inch to 12-inch, are manufactured by the Borden-Canadian Company, 66 Richmond StreetEast, Toronto. WHAT IS AN APPRENTICE? Edward W. Quinn, St. Louis, super-visor of plumbing, wants to know whatapprentice really means—that is, aplumbers apprentice. Mr. Quinn hasbeen connected with the plumbing busi-ness and trade for many years, and hascome in contact with many so-called ap-prentices. The enforcement of the plumbers li

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https://www.flickr.com/photos/internetarchivebookimages/14783376932/

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Flickr tags
InfoField
  • bookid:mechcontract1909toro
  • bookyear:1909
  • bookdecade:1900
  • bookcentury:1900
  • booksubject:Air_conditioning
  • booksubject:Refrigeration_and_refrigerating_machinery
  • booksubject:Heating
  • booksubject:Plumbing
  • bookpublisher:Toronto___Maclean_Hunter_Pub__Co_
  • bookcontributor:Fisher___University_of_Toronto
  • booksponsor:University_of_Toronto
  • bookleafnumber:28
  • bookcollection:canadiantradejournals
  • bookcollection:thomasfisher
  • bookcollection:toronto
Flickr posted date
InfoField
30 July 2014

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