OF THE FRANKLIN INSTITUTE OF THE State of Pennsylvania; DEVOTED TO THE MECHANIC ARTS, MANUFACTURES, GENERAL SCIENCE, AND THE RECORDING OF AMERICAN AND OTHER PATENTED INVENTIONS. EDITED BY THOMAS P. JONES, M. D. MEMBER OF THE AMERICAN PHILOSOPHICAL SOCIETY, OF THE ACADEMY OF NA- OF THE POLYTECHNIC SOCIETY OF PARIS. VOL. XIII. NEW SERIES. PHILADELPHIA: PUBLISHED BY THE FRANKLIN INSTITUTE, AT THEIR HALL; AND MONROE & FRANCIS, BOSTON. J. HARDING, PRINTER. |