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Author: Andrew Ure
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Andrew Ure
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Andrew Ure
Publisher: Forgotten Books
ISBN: 9780332900537
Category : Technology & Engineering
Languages : en
Pages : 614
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Excerpt from Dictionary of Arts, Manufactures, and Mines, Vol. 2 of 2: Containing a Clear Exposition of Their Principles and Practice According to Franke, the constituents of stick-lac are, resin, 65-7; substance of the lac, 28-3 coloring matter, 0-6. Sced-lac. - When the resinous concretion is taken off the twigs, coarsely pounded, and triturated with water in a mortar, the greater part of the coloring matter is dissolved, and the granular portion which remains, being dried in the sun, constitutes seed-lac. It con tains of course less coloring matter than the stick-lac, and is much less soluble. John found in 100 parts of it, resin, 66-7; wax, 1-7; matter of the lac, 16-7; bitter balsamic matter, 2-5; coloring matter, 3-9; dun yellow extract, 0-4; envelopes of insects, 2-1; laceie acid, 0-0; salts of potash and lime, 1-0; earths, 6-6; loss, 4-2. 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.
Author: Andrew Ure
Publisher: Forgotten Books
ISBN: 9781527873674
Category : Technology & Engineering
Languages : en
Pages : 1016
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Excerpt from A Dictionary of Arts, Manufactures, and Mines, Vol. 2 of 2: Containing a Clear Exposition of Their Principles and Practice Eitrieecidismdlymdeontheumllseelebydistilling, withtheheetd'amd Mummeefsmtsofperenitre, end2wuofstrohgsulphufie hem (bemoanneetedbye long glass tube witha globular receiver by water. Byewefl-nguhwddisfinafiomnpureeeid, ofepeeificgnvity1500, mtyhe afing in weight to about two thirdsof the nitte employed. To obtain easily the whole nitric ecid, equel weightsof nitre and concentrated sulphuric acid he ulten; in which case hutamoderute heat need beepplied to the retort. 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.
Author: Andrew Ure
Publisher: Forgotten Books
ISBN: 9780267197484
Category : Technology & Engineering
Languages : en
Pages : 732
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Excerpt from A Dictionary of Arts, Manufactures, and Mines, Vol. 1 of 2: Containing a Clear Exposition of Their Principles and Practice Four-tidy, to teach Capitalists, who may be desirous of placing their funds in some productive bank of industry, to select judiciously among plausible claimants. 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.
Author: Robert Hunt
Publisher:
ISBN: 9783348032667
Category :
Languages : en
Pages :
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Author: Andrew Ure
Publisher: Forgotten Books
ISBN: 9780282268657
Category : Technology & Engineering
Languages : en
Pages : 1032
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Excerpt from A Dictionary of Arts, Manufactures, and Mines, Vol. 2 of 2: Containing a Clear Exposition of Their Principles and Practices Knife-cleaning. - Specimens of those very useful machines which have lately been introduced for cleaning knives and forks are to be found in the building, and demand some notice. Mr. Kent's machine consists of a box or case, containing a couple of wooden discs, fixed near to each other upon a horizontal iron rod or spindle, which passes through the case, and is caused to rotate by means of a winch-handle. Each disc is, for about three-fourths of the area of its inner face, covered with alternate rows of bristles and strips of leather; and the remaining fourth part is covered with bristles only. The knife-blades to be cleaned are introduced through openings in the case, between the rubbing surfaces of the discs; and rotatory motion being given to the discs by a winch-handle, the knives are rapidly cleaned and polished. The machines exhibited by Mr. Masters are constructed upon the same plan as the above; but the rubbing surface of each disc is formed of strips of buff leather, with only a narrow circle of bristles around the edge of each surface, to clean the shoulders of the knives; small brushes are fixed beneath the holes in the case, through which the blades of the knives are inserted, to prevent the exit of dust from the apparatus. Mr. Price exhibited a machine for cleaning knives, and another for cleaning forks. The knife-cleaner consists of a horizontal drum, covered with pieces of leather or felt, and fixed within another drum or circular framing, lined with leather or felt. The knives are introduced through openings, in a movable circular plate, at the front of the outer casing, and enter between the surfaces of the two drums. The plate is fixed upon a horizontal axis, which extends through the case, and is furnished at the back With a handle; by turning which the disc is caused to rotate and carry round the long rectangular opening in the side, behind which two brushes are fixed face to face. Between these brushes the prongs of the forks are introduced, and the handles are secured in a carrier, which is made to advance and recede alternately by means of a throw-crank, and thereby thrust the prongs, into and draw them out of contact with the brushes. The carrier consists of two metal-plates, the lower one carrying a cushion of vulcanized India-rubber for the fork handles to rest upon, and the upper being lined with leather; they are hinged together at one end, and are connected at the other, when the handles have'been placed between them, by a thumb-screw. 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.
Author: Andrew Ure
Publisher: Forgotten Books
ISBN: 9780364550946
Category : Technology & Engineering
Languages : en
Pages : 1048
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Excerpt from Ure's Dictionary of Arts, Manufacture, and Mines, Vol. 2 of 3: Containing a Clear Exposition of Their Principles and Practice Carefully polishing the silver plate after some of the methods previously described, and the application finally Of the highest polish by the use of a buffer, the best form being that employed by M. Claudet. 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.
Author: Andrew Ure
Publisher: London : Longman, Brown, Green and Longmans
ISBN:
Category : Industrial arts
Languages : en
Pages : 1140
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Author: Andrew Ure
Publisher: Nabu Press
ISBN: 9781294007357
Category :
Languages : en
Pages : 624
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This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.
Author: R. Hunt
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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