Journal of the Franklin Institute of the State of Pennsylvania, for the Promotion of the Mechanic Arts, 1856, Vol. 62

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Excerpt from Journal of the Franklin Institute of the State of Pennsylvania, for the Promotion of the Mechanic Arts, 1856, Vol. 62: Devoted to Mechanical and Physical Science, Civil Engineering, the Arts and Manufactures, and the Recording of American and Other Patent Inventions Semmering Locomotives. - '1'otal h. P. Exerted =380 h. P., to lift the train 2 285 tons, h. P. Per ton of motor 2 52 tons. Economically (irrespective of speed), one lb. Of wood raised lbs. 1 foot high. Giovi Locomotives - Total h. P. Exerted 2 444 h. P. Per ton of mo tor 59 h. P. Economically (irrespective of speed), 1 lb. Of coke raised lbs. 1 foot high. Glasgow Stationary Engine - Total h. P. To raise the train 2 452 h. P. Without the h. P. To lift the rope, economically, one lb. Of slack raised lbs. One feet high, irrespective of speed. St. Germain's Atmospheric System - One lb. Of coal raised lbs. One foot high, irrespective of speed. These results, as compared with the alleged duty of the Cornish boiler, one million pounds, one foot high, were still far below labora tory duties. 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.