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Book The Watchmaker's Hand Book: Intended as a Workshop Companion for Those Engaged in Watch-Making and Allied Mechanical Arts

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The Watchmaker's Hand Book: Intended as a Workshop Companion for Those Engaged in Watch-Making and Allied Mechanical Arts

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    Available in PDF - DJVU Format | The Watchmaker's Hand Book: Intended as a Workshop Companion for Those Engaged in Watch-Making and Allied Mechanical Arts.pdf | Language: ENGLISH
    Claudius Saunier (Author)

    Book details


This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1894 edition. Excerpt: ...of the rotating lever L, which moves the three jaws in and out, to and from the center, or opens and closes them in perfect unison. One set of jaws may be withdrawn and another set substituted therefor in a few moments. With each change of the jaws, however, the plate A requires readjustment, but this too, may be done in a few moments, as follows: Having previously provided yourself with a bit of straight wire or a small steel rod, turned to run perfectly true in your lathe, and having fastened this in your chuck in the lathe, loosen the nuts C C, so as to give freedom of movement to the plate A: then bring the attachment to proper position on the lathe bed and fasten it there, after which move the sliding jaws inward Fig. us. until they bind tightly on the piece of straight wire held in the chuck and in this position again tighten the nuts C, C. Once adjusted to accurate center in this way, no further adjustment, whatever the size of the work to be operated upon, is required, until you make another change of jaws. In use, the end of the work to be operated upon is placed in an accurate split chuck in the lathe, and the chuck tightened on it, just sufficiently to hold it in place and to rotate it, the other end being supported in the central bearing, formed by the sliding jaws. In this position the jaws may be opened or closed as often as desired, and each time they will bring the work to accurate center. A similar attachment to the one above described is extensively used by machinists and is known as the back rest. In principle it is very similar, but is more simple in construction, and ambitious workmen can make them without difficulty. This attachment, which is shown in Fig. 116, differs in its mode of fastening to the lathe bed and...
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Supported Devices Windows PC/PocketPC, Mac OS, Linux OS, Apple iPhone/iPod Touch.
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Flowing Text / Pages Pages
Printable? Yes

Book details

  • PDF | 132 pages
  • Claudius Saunier (Author)
  • Rarebooksclub.com (13 Sept. 2013)
  • English
  • 10
  • Other books

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