Excerpt from Transactions, Vol. 11: 1889-90 It is perhaps needless to say that in other directions there has also been great development in applications of electricity, and the wonderful versatility of this mode of applying energy is witnessed to by the varied character of these applications. In connection with mining, the problem of a portable electric miners' lamp seems now to be within reasonable distance of a satisfactory solution, and advance has also been made in electric methods of shot firing, with an accompanying increase of safety. 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.