A Handbook of Gold Milling PDF Download
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Author: Henry Louis
Publisher:
ISBN:
Category : Gold
Languages : en
Pages : 550
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Book Description
Author: Henry Louis
Publisher:
ISBN:
Category : Gold
Languages : en
Pages : 550
Get Book Here
Book Description
Author: Henry Louis
Publisher:
ISBN:
Category : Gold
Languages : en
Pages : 544
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Book Description
Author: Henry Louis
Publisher: Legare Street Press
ISBN: 9781019674789
Category :
Languages : en
Pages : 0
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Book Description
In this comprehensive guide to gold milling, author Henry Louis provides an in-depth look at the processes and techniques involved in extracting gold from ore. The book covers everything from the chemistry of the refining process to the mechanics of the machinery used to mill the ore. 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: HENRY. LOUIS
Publisher:
ISBN: 9781033621240
Category :
Languages : en
Pages : 0
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Book Description
Author: Henry Louis
Publisher:
ISBN: 9781332323005
Category : Technology & Engineering
Languages : en
Pages : 524
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Book Description
Excerpt from A Handbook of Gold Milling The process of differentiation, so essentially characteristic of all modern development, has of recent years extended very markedly into the province of the gold-miner. The time is not so long past since any ordinary miner was considered to be quite capable of taking a shift in the mill, and it was looked upon as part of his duty to be equally useful above and below ground. This state of things did well enough as long as rich reefs or rich portions of reefs, such as the superficial portions not uncommonly are, were alone worked; enough gold was won to more than pay expenses, and no one knew or even seemed to care how great the loss might be in the mill. 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: Charles George Warnford Lock
Publisher:
ISBN:
Category : Gold
Languages : en
Pages : 858
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Book Description
Author: Henry Louis
Publisher: Theclassics.Us
ISBN: 9781230222110
Category :
Languages : en
Pages : 118
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Book Description
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1894 edition. Excerpt: ... with advantage be made of wooden staves held together by a couple of iron hoops. At times the pavement of the arrastra is well below the surface of the ground, and then the lower part of the walls may simply consist of clay well beaten down. Wooden staves form, however, the most satisfactory wall, the height of which generally varies between 1 foot 6 inches and 4 feet 6 inches. The pavement must consist of blocks of hard stone, carefully dressed and jointed, and laid as evenly and as closely together as possible. The depth of the pavement is usually between 1 and 3 feet, and the stones between 6x6 inches, and 12x12 inches in area; the larger they are, the better. The joints should be filled with good cement, or failing this with very fine sand, worked in as thoroughly as possible. The best material for the pavement is probably a fine grained basa
Author: Arthur William Fahrenwald
Publisher:
ISBN:
Category : Gold
Languages : en
Pages : 604
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Book Description
Author: Walter Garfield Neale
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 1726
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Book Description
Author: Thomas Kirke Rose
Publisher:
ISBN:
Category : Gold
Languages : en
Pages : 648
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Book Description
