Painting to Prevent Corrosion: With Specifications

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E. Smith & Company, 1898 - Corrosion and anti-corrosives - 84 pages
 

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Page 42 - The wire brush is an efficient means of getting rid of loose scale and dirt; but it is practically worthless for removing thick rust or anything which adheres closely. Much of such material may be removed by steel scrapers; but deeply corroded spots should be thoroughly cleaned out with a chisel, and then well brushed.
Page 15 - ... will make but a small item in the total cost. Plants have been installed since the publication of the first edition of these specifications by several of the railroad companies for cleaning bridges in place, by some municipal engineers and by some manufacturing works where structural steel is treated. It has been objected that this is a patented process ; it is therefore in order to observe that the original patent, under which work of great extent was carried on most successfully for fifteen...
Page 42 - These crevices are hereafter to be inaccessible ; and they are subject to the most dangerous corrosion, because rusting at such places impairs not only the strength, but also the stiffness, of the structure — a matter of much importance. These joints therefore deserve more care than any other part. II. Shop-marks shall be compact and shall not cover more surface than the inspector directs, the intent being to have the surface occupied by such shop-marks as small as possible. III. After assembling...
Page 9 - Carpenter, p. 18, u2 method he used to prevent iron rusting was to heat the whole of the iron-work to about a blue heat, and immediately strike it over the surface with raw linseed oil; the next day, if properly done, it appears as if a coat of varnish had been laid on*.
Page 17 - The cutting, boring, dressing, engraving and pulverizing of stone, metal, glass, pottery, wood, and other hard or solid substances by sand used as a projectile, when the requisite velocity has been imparted to it by any suitable means.

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