Journal of the Franklin Institute, Volumes 247-248 Pergamon Press, 1949 - Industrial arts 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] |
Try the new Google Books
Journal of the Franklin Institute, Volumes 247-248Pergamon Press, 1949 - Industrial arts 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] |