The Effect of Stemming on the Efficiency of Explosives (Classic Reprint) PDF Download
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Author: Walter O. Snelling
Publisher: Forgotten Books
ISBN: 9780656819904
Category : Technology & Engineering
Languages : en
Pages : 24
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Book Description
Excerpt from The Effect of Stemming on the Efficiency of Explosives The preliminary experiments having shown a remarkable gain in effect by the use of stemming, several similar experiments were per formed to make sure that the gain was not the outcome of chance or accident, but was really due to the use of stemming. In all these experiments, however, it was found that when stemming was used the enlargement of the bore hole was increased about 88 per cent. Thus the experiments showed conclusively that a given quantity of 40 per cent strength ammonia dynamite, with stemming, will do the same amount of work as a much larger quantity of the same explosive without stemming. 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: Walter O. Snelling
Publisher: Forgotten Books
ISBN: 9780656819904
Category : Technology & Engineering
Languages : en
Pages : 24
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Book Description
Excerpt from The Effect of Stemming on the Efficiency of Explosives The preliminary experiments having shown a remarkable gain in effect by the use of stemming, several similar experiments were per formed to make sure that the gain was not the outcome of chance or accident, but was really due to the use of stemming. In all these experiments, however, it was found that when stemming was used the enlargement of the bore hole was increased about 88 per cent. Thus the experiments showed conclusively that a given quantity of 40 per cent strength ammonia dynamite, with stemming, will do the same amount of work as a much larger quantity of the same explosive without stemming. 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: Walter Otheman Snelling
Publisher:
ISBN:
Category : Explosives
Languages : en
Pages : 21
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Book Description
Author: Walter Otheman Snelling
Publisher:
ISBN:
Category : Explosives
Languages : en
Pages : 22
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Book Description
Author: Walter Otheman Snelling
Publisher:
ISBN:
Category :
Languages : en
Pages : 20
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Book Description
Author: Charles E. Munroe
Publisher: Forgotten Books
ISBN: 9780364087114
Category : Technology & Engineering
Languages : en
Pages : 152
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Book Description
Excerpt from A Primer on Explosives for Metal Miners and Quarrymen Information about the different explosives used in coal mining and the precautions to be taken in using those explosives has been printed in Bulletin 17 and other bureau reports, the names of which may be found at the end of this bulletin. The bureau has not been able to give much attention to explosives used in metal mines and quarries, but has published some information about these explosives in Bulletin 48, The Selection of Explosives Used in Engineering and Mining Operations; Technical Paper 17, The Effect of Stemming on the Efficiency of Explosives; and Miners' Circular The Prevention of Accidents from Explosives in Metal Mining. 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: S.C. Bhargava
Publisher: CRC Press
ISBN: 0415621429
Category : Computers
Languages : en
Pages : 138
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Book Description
This book, written for the benefit of engineering students and practicing engineers alike, is the culmination of the author's four decades of experience related to the subject of electrical measurements, comprising nearly 30 years of experimental research and more than 15 years of teaching at several engineering institutions. The unique feature of this book, apart from covering the syllabi of various universities, is the style of presentation of all important aspects and features of electrical measurements, with neatly and clearly drawn figures, diagrams and colour and b/w photos that illustrate details of instruments among other things, making the text easy to follow and comprehend. Enhancing the chapters are interspersed explanatory comments and, where necessary, footnotes to help better understanding of the chapter contents. Also, each chapter begins with a "recall" to link the subject matter with the related science or phenomenon and fundamental background. The first few chapters of the book comprise "Units, Dimensions and Standards"; "Electricity, Magnetism and Electromagnetism" and "Network Analysis". These topics form the basics of electrical measurements and provide a better understanding of the main topics discussed in later chapters. The last two chapters represent valuable assets of the book, and relate to (a) "Magnetic Measurements", describing many unique features not easily available elsewhere, a good study of which is essential for the design and development of most electric equipment – from motors to transformers and alternators, and (b) "Measurement of Non-electrical Quantities", dealing extensively with the measuring techniques of a number of variables that constitute an important requirement of engineering measurement practices. The book is supplemented by ten appendices covering various aspects dealing with the art and science of electrical measurement and of relevance to some of the topics in main chapters. Other useful features of the book include an elaborate chapter-by-chapter list of symbols, worked examples, exercises and quiz questions at the end of each chapter, and extensive authors' and subject index. This book will be of interest to all students taking courses in electrical measurements as a part of a B.Tech. in electrical engineering. Professionals in the field of electrical engineering will also find the book of use.
Author: Walter O. Snelling
Publisher:
ISBN: 9781332790128
Category : Science
Languages : en
Pages : 98
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Book Description
Excerpt from The Analysis of Black Powder and Dynamite Although descriptions of the methods of analysis of explosives are to be found in many books on explosives, and in works on engineer ing chemistry or chemical analysis, most of these descriptions are incomplete and lacking in details. The methods of analysis employed in the laboratories of most explosives factories are frequently treated as trade secrets, and very little information is published from such laboratories. 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: Guy B. Taylor
Publisher: Forgotten Books
ISBN: 9780666286468
Category : Science
Languages : en
Pages : 38
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Book Description
Excerpt from Initial Priming Substances for High Explosives Wohler and Matter (321) investigated the explosive properties and the priming effects of seven explosives besides mercury ful minate. Tests were made to ascertain their expansion in lead blocks, their penetrating effect on lead plates, and the temperature at which they ignited. The results are-given in Table 1. 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: William Macnab
Publisher: Forgotten Books
ISBN: 9780365184942
Category : Science
Languages : en
Pages : 72
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Book Description
Excerpt from Lectures on Explosives Heat developed, volume and composition of gases and pressure produced. Effect of pressure on composition of gases. Theoretical temperature reached on explosion. Experimental attempts to measure it. Need for further work. 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: Christian George Storm
Publisher: Forgotten Books
ISBN: 9781397305411
Category : Science
Languages : en
Pages : 100
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Book Description
Excerpt from The Analysis of Permissible Explosives As has been noted, a large proportion of the explosives which have been placed on the bureau's permissible list are of this type, the list' on June 1, 1915, including 61 ammonium-nitrate explosives out of a total of 133 explosives; 14 other ammonium-nitrate explosives for merly on the permissible list have been withdrawn. 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.
