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Specifications and Drawings of Patents Relating to Electricity Issued by the U. S. Volume 79 download PDF, EPUB, Kindle

Specifications and Drawings of Patents Relating to Electricity Issued by the U. S. Volume 79 download PDF, EPUB, Kindle

Specifications and Drawings of Patents Relating to Electricity Issued by the U. S. Volume 79 by United States Patent Office

Specifications and Drawings of Patents Relating to Electricity Issued by the U. S. Volume 79
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Author: United States Patent Office
Number of Pages: 310 pages
Published Date: 01 May 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
Format: PDF
ISBN: 9781232391265
File size: 16 Mb
File Name: Specifications.and.Drawings.of.Patents.Relating.to.Electricity.Issued.by.the.U..S..Volume.79.pdf
Download Link: Specifications and Drawings of Patents Relating to Electricity Issued by the U. S. Volume 79
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1893 Excerpt: ... has been used as the binding material, which, as stated, I prefer, then the covering may be vulcanized, which will constitute it fire-proof and water-proof, and also 60 greatly add to the permanency, elasticity, and element-resisting qualities of the covering. C, Fig. 2, is an exterior covering or protecting-layer of strips, of any preferred material, 65 wrapped about the covering of plastic material, whereby it will be further protected from abrasion and other damaging influences incident to use. The asbestus and india-rubber compound;o or its equivalent has mixed with it, for the purpose of friving bulk with reduced cost and also for covering the coating, such foreign substances as lamp-black, soapstone, chinaclay, whiting, plumbago, ' and the like bodies, 75 either separately or together. Some of these bodies--such as soapstone, plumbago, &e.--are especially advantageous in the compound, because they add to the plasticity of the mass, facilitate the manipulation thereof, and pre-80 vent undesirable adhesion during the operation of coating the wire. In the use of the word "seamless" herein, and in the claims hereof, I mean "seamless" as that term is ordinarily used, but not that 85 there shall be no joints in the covering material, because it may be applied to the wire in the same manner that lead is sometimes deposited in the manufacture of lead pipe or other plastic materials are deposited in tubu-90 lar or like form. Having described my invention, I claim--1. A wire for conducting electricity, having a practically seamless insulating-covering made, essentially, of asbestus mechanically 95 mixed with the foreign bodies herein set forth, substantially as and for the purposes set forth. 2. A wire for com! noting electricity, having...

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