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Author : Charles Freeman Jackson,John Ballantine Knaebel,Chilton Austin Wright
Publisher : Unknown
Page : 52 pages
File Size : 45,7 Mb
Release : 1934
Category : Lead mines and mining
ISBN : UOM:39015078515262
Author : Clarence A. Wright
Publisher : Unknown
Page : 42 pages
File Size : 55,5 Mb
Release : 1915
Category : Lead mines and mining
ISBN : UOM:39015077560681
Author : Walter Renton Ingalls
Publisher : Unknown
Page : 398 pages
File Size : 50,5 Mb
Release : 1908
Category : Lead
ISBN : WISC:89089808851
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 596 pages
File Size : 43,5 Mb
Release : 1951
Category : Zinc
ISBN : OSU:32435016416687
Author : Clarence A. Wright
Publisher : Unknown
Page : 162 pages
File Size : 54,5 Mb
Release : 1918
Category : Lead mines and mining
ISBN : UIUC:30112101025051
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 726 pages
File Size : 54,5 Mb
Release : 1952
Category : Copper industry and trade
ISBN : UOM:39015004606052
Author : Wesley A. Grosh,T. A. Evans
Publisher : Unknown
Page : 24 pages
File Size : 47,9 Mb
Release : 1959
Category : Mining machinery
ISBN : UOM:39015078455170
Author : Robert J. Hundhausen
Publisher : Unknown
Page : 38 pages
File Size : 53,8 Mb
Release : 1948
Category : Lead mines and mining
ISBN : UOM:39015077577578
Author : Clarence A. Wright,Missouri Bureau of Geology and Mines
Publisher : Palala Press
Page : 160 pages
File Size : 55,8 Mb
Release : 2015-09-12
Category : Electronic
ISBN : 134249038X
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 : Clarence A. Wright
Publisher : Forgotten Books
Page : 172 pages
File Size : 45,6 Mb
Release : 2018-02-24
Category : Electronic
ISBN : 0666308748
Excerpt from Mining and Milling of Lead and Zinc Ores in the Missouri-Kansas-Oklahoma Zinc District Several mill tests were made to determine in a general way the efficiency of the milling practice in this district and to discover at what stage of the process the losses were greatest. Making these mill tests proved difficult, for, because of the arrangement of the mills and the necessity of estimating the tonnage treated, systematic mill testing and sampling can be done at only a few plants. Many tables giving results of mill tests and screen tests have been omitted because they would serve only to emphasize the important points shown by other data given. The writer has tried to bring out the possibilities of making certain improvements that would effect a greater saving, and has endeavored to avoid the use of technical terms and phrases in order that all statements may be clear and easily understood. 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 : United States. Bureau of Mines
Publisher : Unknown
Page : 722 pages
File Size : 45,8 Mb
Release : 1951
Category : Zinc
ISBN : UOM:39015020226505
Author : United States Tariff Commission
Publisher : Unknown
Page : 376 pages
File Size : 41,8 Mb
Release : 1954
Category : Lead industry and trade
ISBN : MINN:30000009339403
Author : Clarence A. Wright
Publisher : Sagwan Press
Page : 40 pages
File Size : 45,8 Mb
Release : 2018-02-09
Category : History
ISBN : 1377181510
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 : United States Tariff Commission
Publisher : Unknown
Page : 848 pages
File Size : 53,6 Mb
Release : 1953
Category : Screws
ISBN : STANFORD:36105028903701
Author : Charles Freeman Jackson,Clifford Cook Furnas,Eugene Delos Gardner,Harold Putnam Greenwald,L. C. Ilsley,Percy Nicholls,Simon Harry Ash,William Waugh Adams,Alva Britt Hooker,Charles Warren Staples,John Ballantine Knaebel,John Frederick Johnson,Joseph Holbrook Rankin,Earl Jeffries Coggeshall
Publisher : Unknown
Page : 912 pages
File Size : 45,8 Mb
Release : 1932
Category : Cables
ISBN : OSU:32435026701235
