Download or read book Methane Accumulations From Interrupted Ventilation written by Howard I. Smith and published by Forgotten Books. This book was released on 2018-02-26 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Methane Accumulations From Interrupted Ventilation: With Special Reference to Coal Mines in Illinois and Indiana The mining laws Of many States provide that when ventilation is interrupted in mines in which methane is generated the men. In the workings affected, especially if open lights are used there, shall be gotten out as quickly as possible. There are many mines or sections Of a mine in which only a small quantity Of methane is generated and where, under regular conditions of ventilation, it is so diffused with the air as not to be detectable with a safety lamp. These places are considered nongaseous and Often no concern is felt if the ventilation is interrupted even for several hours at a time. That locally in such mines there may be dangerous accumulations of methane within a short time if the air current is stopped is indi cated by the tests described in this paper. In three mines, two in southern Illinois and one in Indiana, samples Of mine air were collected and analyzed from working places where no methane had been reported by the mine examiner. By stopping the air current during the tests any accumulation Of methane through this interrupted ventilation was detected. The results show a8 methane accumulations from interrupted ventilation. 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.

Download or read book Methane Accumulations from Interrupted Ventilation written by Howard I. Smith and published by . This book was released on 1918 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Methane Accumulations from Interrupted Ventilation with Special Reference to Coal Mines in Illinois and Indiana by Howard I Smith and Robert J Hamon written by Howard I. Smith and published by . This book was released on 1918 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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