Excerpt from Fighting Fire for Twenty-Six Years: Being the Actual Experience of Herring's Celebrated Safes, in More Than Five Hundred Accidental Trials, With the Testimonials of Their Owners The next period in safe-making and the date of our advent in the business is now known as the plaster of Paris or cement age - the water, considered as a necessity to retard the action of the fire, being this time retained by plaster or hydraulic cements; which, becoming hard and rock-like, were then supposed to be unchangeable. 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.