Author: Lee Clyde Ilsley
Publisher:
ISBN:
Category : Mine explosions
Languages : en
Pages : 48

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Author: L. C. Ilsley
Publisher: Forgotten Books
ISBN: 9781334201776
Category : Technology & Engineering
Languages : en
Pages : 56

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Excerpt from The Relative Safety of Brass, Copper, and Steel Gauzes in Miners' Flame Safety-Lamps The Bureau of Mines has investigated many features relating to the safety of ame lamps, and in 1915 it officially established schedule 7, whereby ame lamps having prescribed qualifications would be approved by the bureau as permissible for use in gaseous mines. Among the regulations are the following requirements for the gauzes of ame safety lamps. 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:
ISBN:
Category :
Languages : en
Pages :

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Author: Lee Clyde Ilsley
Publisher:
ISBN:
Category : Safety lamps
Languages : en
Pages : 8

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Author: L. C. Ilsley
Publisher:
ISBN:
Category :
Languages : en
Pages : 39

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Author: James Washington Paul
Publisher:
ISBN:
Category : Safety lamps
Languages : en
Pages : 270

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Author:
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 916

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Author:
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 874

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Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 1134

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Author:
Publisher:
ISBN:
Category : Metal cleaning
Languages : en
Pages : 438

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