Download or read book Journal of the Franklin Institute of the State of Pennsylvania for the Promotion of the Mechanic Arts written by and published by . This book was released on 1836 with total page 950 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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]