Excerpt from Additional and Fresh Evidence of the Practical Working of Pirsson's Steam Condenser: For Furnishing an Ample and Continuous Supply of Pure Fresh Water for the Boilers of Ocean Steamers and for the Use of Passengers and Crew Economy in our naval service is essential to its prosperity and well-being, but the hand of penury may be equally fatal to it. Thousands of dollars may be annually saved by the adoption of this important improvement, the efficiency and greater duration of the vessel ensured, and the safety of human life and the national honor may be the better guarded. Copy of a letter from Commodore Charles Stewart, U. States Navy, to a friend in Washington. 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.