The Use of Permissible Explosives in the Coal Mines of Illinois (Classic Reprint) PDF Download
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Author: James R. Fleming Publisher: Forgotten Books ISBN: 9780656230327 Category : Technology & Engineering Languages : en Pages : 132
Book Description
Excerpt from The Use of Permissible Explosives in the Coal Mines of Illinois The study of mine air, mine fires, and the use of explosives is being continued, and the coking and gas-producing qualities of Illinois coals are being investigated. A detailed investigation of subsidence in Illinois is being undertaken jointly by the parties to the agreement. 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: James R. Fleming Publisher: Forgotten Books ISBN: 9780656230327 Category : Technology & Engineering Languages : en Pages : 132
Book Description
Excerpt from The Use of Permissible Explosives in the Coal Mines of Illinois The study of mine air, mine fires, and the use of explosives is being continued, and the coking and gas-producing qualities of Illinois coals are being investigated. A detailed investigation of subsidence in Illinois is being undertaken jointly by the parties to the agreement. 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: Clarence Hall Publisher: Forgotten Books ISBN: 9781333884840 Category : Technology & Engineering Languages : en Pages : 326
Book Description
Excerpt from Tests of Permissible Explosives An explosive is considered permissible for use in coal mines when it is similar in all respects to the sample that passed the tests required by the bureau, and when it is used in accordance with the conditions prescribed. 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 E. Munroe Publisher: ISBN: 9781332004614 Category : Technology & Engineering Languages : en Pages : 82
Book Description
Excerpt from A Primer on Explosives for Coal Miners, Vol. 255 A Primer on Explosives for Coal Miners was written by Charles E. Munroe and Clarence Hall in 1909. This is a 76 page book, containing 24594 words and 30 pictures. Search Inside is enabled for this title. 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: N. H. Darton Publisher: Forgotten Books ISBN: 9780656230167 Category : Technology & Engineering Languages : en Pages : 278
Book Description
Excerpt from Occurrence of Explosive Gases in Coal Mines This report presents the results of an investigation begun by the Government in the summer of. 1907, the investigation being started under the immediate supervision of Dr. J. A. Holmes and continued under him as director after it was transferred to the Bureau of Mines in 1910, the field studies being completed in the spring of 1912. The purpose of the investigation was to obtain information on the origin of the inflammable gases in coal and the conditions under which they occur. It was especially intended to ascertain whether there was any relation between the occurrence of gas and the structural or other geologic features of the coal beds. To this end many months were spent in mines and much time was devoted to the examination of mine maps, bore-hole records, and other data made available by the kindness of various coal companies. Ritwo fields of work were selected - one in the northern anthracite basin of Pennsylvania, where the beds are considerably flexed, and the other in the southern part of the bituminous coal field of Illinois, where the beds lie nearly horizontal. In order to take advantage of results of previous investigations of the same general subject, an extended examination was made of reports of various investigators in Europe and America. A digest of the information obtained from these publications is included in the first part of this report, which constitutes an introduction to the discussion of the conditions governing the occurrence of inflammable gas in coal beds. 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: Clarence Hall Publisher: Forgotten Books ISBN: 9781334329807 Category : Science Languages : en Pages : 232
Book Description
Excerpt from Investigations of Explosives Used in Coal Mines The explosives used in coal mines not only occasion accidents such as occur in the use of explosives elsewhere, but they frequently cause Widespread disasters by igniting explosive mixtures of mine gas and air and of coal dust and air, or both. In addition, the firing of ex plosives so shakes the walls and roofs of the mines as to cause falls, with their attendant casualties. Considering the large number of explosives and their wide range in composition and properties, it is obvious that certain of them should prove more suitable for use in coal mines than others. The problem is to determine which explosives are the most suitable for this purpose and the precise conditions under which they may be used with the greatest safety. Of course this problem could be worked out in actual mining, but experimental investigations when accompanying commercial opera tions are hazardous and slow. To obtain the information sought, in the speediest and most economical manner, laboratory methods must be resorted to. The adeption of such methods began about 30 years ago with experiments in an iron gallery mounted on wheels, at Zwickau, Germany. This laboratory method of attacking the prob lem has so commended itself that it has not only been repeated else where in Germany but has at intervals been officially adopted, with many modifications and additions, by the Governments of Belgium, Austria, France, and Great Britain. 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: James R. Fleming
Author: James R. Fleming
Author: James Russell Fleming
Author: James Russell Fleming
Author: Charles Arthur Herbert
Author: John Joseph Rutledge
Author: Clarence Hall
Author: 
Author: Charles E. Munroe
Author: N. H. Darton
Author: Clarence Hall