Excerpt from Index to the Reports of the Committee on Science and the Arts of the Franklin Institute of the State of Pennsylvania, 1834 1890 To perform such duties as may devolve upon them, and to sustain by their labors the scientific character of the Institute. Originally this committee consisted of such members of the Institute as should voluntarily enroll themselves as pledged to perform such work, and their reports were submitted to the Insti tute for ratification. 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.

Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415]