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Author: Cornelius McLeod Percy
Publisher:
ISBN:
Category : Coal-mining machinery
Languages : en
Pages : 834
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Book Description
Author: Cornelius McLeod Percy
Publisher:
ISBN:
Category : Coal-mining machinery
Languages : en
Pages : 834
Get Book Here
Book Description
Author: Cornelius McLeod Percy
Publisher: Arkose Press
ISBN: 9781343967892
Category :
Languages : en
Pages : 834
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Cornelius McLeod Percy
Publisher: Forgotten Books
ISBN: 9780282966980
Category : Technology & Engineering
Languages : en
Pages : 384
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Book Description
Excerpt from The Mechanical Engineering of Collieries, Vol. 1 Then in dealing with centrifugal ventilators, there are contradictory ideas as to the form of fan which really gives the best results. The results of different fans, and even of the same fan working at the same pit vary so much that practical results certainly do not decide the question. Consequently, arguments on this subject must be largely basedupon theory, and I have triedtogivea fairtheo retical View of the question. 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: T. Campbell Futers
Publisher: Forgotten Books
ISBN: 9781334178078
Category : Technology & Engineering
Languages : en
Pages : 608
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Book Description
Excerpt from The Mechanical Engineering of Collieries, Vol. 1: 1. Boring; 2. Shaft Sinking; 3. Surface Arrangements; 4. Shafts and Headgears The mechanical engineering of collieries, then, is of growing importance, and much still remains to be done. The question of winding from great depths remains to be satisfactorily solved; and the utilisation of slack and waste from collieries might receive with advantage more attention, and in this respect the question of generating electricity at coalpit centres is important. No quite satisfactory appliances have ever yet been invented to prevent the cage falling in the ease of a broken rope, and the sad accidents due to this cause are to be regretted; though when we consider the vast number of men who descend and ascend daily into and out of mines, it speaks volumes for the careful and efficient supervision and atten tion to winding ropes and arrangements, especially in our own country, where safety appliances are practically unheard of. With the growth of the mechanical appliances in and about a mine and with the introduction of electricity, the responsibilities of the colliery manager have increased, and a colliery manager, instead of being merely a mining engineer, must now be a competent mechanical and electrical engineer, and hence the training of colliery managers has given rise to much discussion. Whether it is wise to expect a colliery manager to have that knowledge and experience in mechanical and electrical engineering - each in themselves separate professions, requiring years of training - and at the same time to be an expert mining engineer, capable of directing the operations of working and winning large areas of coal, with all its attendant difficulties and dangers, requiring by Act of Parliament an apprenticeship or training of not less than five years, is a question to be decided. Abroad, it is said, the colliery manager is more highly scientifically trained, but it is also said he is not such a good pitman. It is to be hoped, therefore, that with the development of the mechanical and electrical engineering of collieries, in our own country at least, the colliery manager will not neglect that first and necessary qualification, to be - what he has hitherto been - a mining engineer par excellence. 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.
![The Mechanical Equipment of Collieries ... Completed and Edited by Frank Percy ... and G.H. Winstanley. [With Illustrations and Plans.]. PDF](https://books.google.com/books/content/images/frontcover/nIsHMwEACAAJ?fife=w80-h100)
Author: Cornelius McLeod PERCY
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: T. Campbell Futers
Publisher: Forgotten Books
ISBN: 9780331200119
Category :
Languages : en
Pages : 354
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Book Description
Excerpt from The Mechanical Engineering of Collieries, Vol. 2 of 2: 7. Haulage, 8. Pumping, 9. The Generation and Transmission of Power, 10. Coke Ovens A. - 1. At the coal face the only way of handling the tubs is by hand, the empty tub being put into the stall by a strong youth termed a putter, and when filled removed by him. If the tub is very large, or the gradient heavy, so that this work is too heavy for manual labour, a small pony is employed in charge of a youth, the operation being termed pony putting. The workings, however, are driven to avoid gradients as much as possible, and as the workings are constantly being moved forward, the road usually consists of short lengths of bridge rails about 4 ft. Long, with holes in the flanges which are nailed to cross sleepers of woodt - these latter being of larch, or fir, from 3} to 6 inches in width, and 2§ to St inches in depth. This road is led into the face, and the two front wheels Of the tub are allowed to drop over the end on to the thill or floor of the seam, which gives the extra height of the rails and sleeper between the top of the tub and roof for filling. 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: Anonymous
Publisher: Legare Street Press
ISBN: 9781022492110
Category :
Languages : en
Pages : 0
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Book Description
This book provides an in-depth study of the engineering technology used in the mining industry in the early 20th century. The author explores the mechanical structures of collieries, different machines used in mining, and the process of extracting coal from the mines. This book is an excellent resource for anyone interested in the history of mining technology. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: M. Walton Brown
Publisher: Forgotten Books
ISBN: 9780365341178
Category : Technology & Engineering
Languages : en
Pages : 878
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Book Description
Excerpt from The North of England Institute of Mining and Mechanical Engineers Transactions, Vol. 54: 1903-1904 Mr. C. H. Steavenson said that he had had experience with ratchet drilling-machines in Cleveland mines; so when he came to Tyneside he brought a ratchet-drill with him, and had it tried in both stone and coal, but he was sorry to say that it was not successful. The fixing Of the machine was difficult where the post-stone was too hard to drive in a wedge for the purpose Of attaching the machine. In the case of ironstone, the wedge was driven into the rock at the side, and the end Of the machine was fixed against this wedge. A hole was made for the entrance Of the drill, and when the man started to work the ratchet the pressure kept the drill in position. In the post stone Of North of England collieries he found that the wedge could not be driven in far enough to make a sufficiently strong support for the machine, and in the case of blue metal or shale, the stone was too soft. Altogether he found that the ratchet drilling-machine was not so successful as the ordinary stone man's or hewer's hand drilling-machine. 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: Thomas J. Foster
Publisher: Forgotten Books
ISBN: 9780266882107
Category : Technology & Engineering
Languages : en
Pages : 434
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Book Description
Excerpt from The Colliery Engineer Pocket-Book of Principles Rules, Formul , and Tables Machinery, coke-ovens and boiler-plant especially adapted for making reliable Steam ing-tests of Fuels. 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: Joseph Wickham Roe
Publisher: Forgotten Books
ISBN: 9780332564241
Category : Technology & Engineering
Languages : en
Pages : 534
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Book Description
Excerpt from The Mechanical Equipment, Vol. 3: Factory Management Course Modern industrial equipment is almost as varied as the industries themselves, and no single volume could attempt to describe all Of it. This book is therefore confined chiefly to the machine shop. As Mr. F. A. Halsey has said: The ma chine shop is the center from which all modern industries radiate. From the brickyard to the flying machine, from the sawmill to wireless telegraphy, from the stone quarry to the moving-picture camera, there is no modern industry more than twice removed from the machine shop.' Even with the field SO narrowed it is necessary to confine the attention to typical machines and to avoid too detailed discussion. 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.
