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Author: Edward Saxon Wiard
Publisher:
ISBN:
Category : Ore-dressing
Languages : en
Pages : 452
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Book Description
Author:
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 452
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Book Description
Author:
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 456
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Book Description
Author: Edward Saxon Wiard
Publisher:
ISBN:
Category : Ore-dressing
Languages : en
Pages : 458
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Book Description
Author: Edward Saxon Wiard
Publisher: Palala Press
ISBN: 9781358171550
Category :
Languages : en
Pages :
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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: Edward S. Wiard
Publisher: Forgotten Books
ISBN: 9781330444337
Category : Technology & Engineering
Languages : en
Pages : 444
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Book Description
Excerpt from The Theory and Practice of Ore Dressing In this work an attempt has been made to cover in a single volume the whole subject of ore dressing as applied at metalliferous mines in western America. The subject is treated in a manner designed to be of value and assistance to several classes of men engaged or interested in the treatment of ore by concentration processes. While the book is written largely as an aid to the mine manager or engineer in charge of mining enterprises, it is believed that the millman also will find in it much of value relating to the care of machines intrusted to his charge. It is not expected that the work will displace the hard-earned experience of the metallurgical engineer, but a man of that class will find in the book many useful and practical data. The needs of the student have not been forgotten, and a sufficient amount of theory has been introduced to give him a comprehension of some of the underlying principles of the art. There is very little working theory in ore dressing, and what theory may be deduced is mostly explanatory of the main tendencies to which particles of ore are subjected in the different treatment processes. Unfortunately, as the art stands today, ore particles are subject to other tendencies of which no satisfactory measure can be made. There is, at present, no positive separation machine among ore-dressing devices. All the means employed to effect separation merely tend to this end. It seems possible that certain positive mechanical principles will be discovered by which each and every grain will be forced to pursue a path depending on its specific gravity although gravity may not be the guiding force. The direct application, of these forces by machinery, owing to the simplicity and cheapness of this mode of effecting concentration, would seem to be the goal toward which inventors should work. In preparing a single-volume work on ore dressing much must be omitted, due to the wealth of material from which to choose and the necessity of treating standard practice in so small a compass. Hence in the present volume stamps have received scant consideration, being machines which find little or no application in the ordinary concentrating mill. Amalgamation is not mentioned; this process being deemed outside the scope of a work on concentration which is essentially the art of enriching ores by mechanical means. The student will miss any reference to centrifugal machines or concentration by centrifugal force. Screen ratios also receive no mention, since the proper succession of screen sizes should be determined by experimentation. 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: Wheaton Bradish Kunhardt
Publisher:
ISBN:
Category : Ore-dressing
Languages : en
Pages : 136
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Book Description
Author: Wheaton Bradish Kunhardt
Publisher: Wentworth Press
ISBN: 9781012849894
Category :
Languages : en
Pages : 146
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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: Robert Hallowell Richards
Publisher:
ISBN:
Category : Coal preparation
Languages : en
Pages : 754
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Book Description
Author: Wheaton Bradish Kunhardt
Publisher:
ISBN:
Category : Ore-dressing
Languages : en
Pages : 140
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Book Description
Author: Wheaton B. Kunhardt
Publisher: Trieste Publishing
ISBN: 9780649678334
Category :
Languages : en
Pages : 130
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Book Description
Trieste Publishing has a massive catalogue of classic book titles. Our aim is to provide readers with the highest quality reproductions of fiction and non-fiction literature that has stood the test of time. The many thousands of books in our collection have been sourced from libraries and private collections around the world.The titles that Trieste Publishing has chosen to be part of the collection have been scanned to simulate the original. Our readers see the books the same way that their first readers did decades or a hundred or more years ago. Books from that period are often spoiled by imperfections that did not exist in the original. Imperfections could be in the form of blurred text, photographs, or missing pages. It is highly unlikely that this would occur with one of our books. Our extensive quality control ensures that the readers of Trieste Publishing's books will be delighted with their purchase. Our staff has thoroughly reviewed every page of all the books in the collection, repairing, or if necessary, rejecting titles that are not of the highest quality. This process ensures that the reader of one of Trieste Publishing's titles receives a volume that faithfully reproduces the original, and to the maximum degree possible, gives them the experience of owning the original work.We pride ourselves on not only creating a pathway to an extensive reservoir of books of the finest quality, but also providing value to every one of our readers. Generally, Trieste books are purchased singly - on demand, however they may also be purchased in bulk. Readers interested in bulk purchases are invited to contact us directly to enquire about our tailored bulk rates.
