The London Journal Of Arts And Sciences And Repertory Of Patent Inventions 1832 Vol 1 Classic Reprint

Author : William Newton
Publisher : Forgotten Books
ISBN 13 : 9781334175954
Total Pages : 428 pages
Book Rating : 4.1/5 (759 download)

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Download or read book The London Journal of Arts and Sciences, and Repertory of Patent Inventions, 1833, Vol. 2 (Classic Reprint) written by William Newton and published by Forgotten Books. This book was released on 2016-11-05 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The London Journal of Arts and Sciences, and Repertory of Patent Inventions, 1833, Vol. 2 In Plate I, fig. 1, represents a front elevation of the machine fig. 2, an elevation of that end of the machine which is toward the left hand; and fig. 3, a transverse section through the middle of the machine. The same letters of reference applying to similar parts in the several figures. Motion is communicated by means of a strap, from any first mover to the rigger A, to which is affixed a pinion tak ing into a toothed wheel on the horizontal shaft 3, thereby causing it to revolve. On this shaft B, are fixed the differ ent cams or tappet wheels, and other contrivances for giving suitable movements to the various parts of the machine. The net to be wrought upon is wound on the roller 0, extending along the upper part of the machine from this roller it is carried through a series of tension rods a, a, a, over a bar D, called the facing bar, to another roller E, which is intended to receive the work when finished. The silk, cotton, or other threads or yarns to be inter woven with the net for the purpose of producing the em broidering, is wound upon the rollers L, and M, from whence it is conducted through the perforated bar 0, o, to the guides and needles. The interweaving or combining of these threads with the net takes place immediately below the facing bar D, the particular method of effecting which will be best understood by reference to the enlarged figs. 5, 6, 7, 8, and 9. The needles used for this purpose, shown at F, F, are furnished with beards or spring hooks, similar to those used in warp frames, and are mounted in leads. These leads of needles are screwed upon a bar G, called the needle bar, extending along the back of the machine. The bar G, is supported by links 0, upon the horizontal shaft H, which turns upon bearings, and is intended to communicate a vibrating movement to the needle bar. Between the needle bar and thenet is fixed another bar I,4 Recent Patents. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.