The American System of Patents Read before the American Social Science Association at the Lowell Institute, Boston, March 4, 1870
Cambridge, Massachusetts: American Social Science Association 1870. First Edition. [1],[1-blank], [1]-19, [3-blank] pages plus blue printed wrappers. 8vo. Dampstaining, sunning to wrappers. The inside front and rear wrappers note contents of the Association's Journal for 1869 and 1870, the rear cover a description of the Association and it's goals. Good..... More
