Journal of the Franklin Institute


Book Description

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]




Clay Record


Book Description







Journal of the Franklin Institute


Book Description

Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-59.










The Clay-worker


Book Description