Excerpt from Journal of the Franklin Institute, Vol. 17 of 47: Of the State of Pennsylvania, for the Promotion of the Mechanic Arts The third class engines upon this road have run entirely with passen gers, which are here expressed by their equivalent at 12 to the ton. The cost per ton is shewn for the sake of conformity, and to show how much more costly, by weight, the conveyance of passengers is than that of ton nage. 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.