Canton, MA: Science History Publication, Complete in two volumes. 1985. First edition thus, a translation of the 1879 German edition. Hardcover, 8vo. in blue cloth, dust jacket. 619, 614pp. frontis in volume I. Very good in very good dust jacket. Light wear to dj extremities. Djs unclipped and in mylar. Minor soil to boards, edges toned. Contents clean and unmarked. 2vol. Very Good / very good.