Excerpt from North of England Institute of Mining and Mechanical Engineers, Vol. 28: Transactions, 1878-79 The papers more especially connected with the safety of mines were an exceedingly valuable and interesting communication from Professor Marreco and Mr. Morrison On the question as to how far Coal Dust, as it exists in the Atmosphere of Pit Workings, is Explosive, whether free or not from the presence of Gas. This paper, illustrated by experiments(viii) 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.

Excerpt from North of England Institute of Mining and Mechanical Engineers Transactions, 1900-1901, Vol. 50 The Institute is not, as a body, responsible for the statements and opinions advanced in the papers which may be read, nor in the discussions which may take place at the meetings of the Institute. 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.