Philadelphia: Historical Society of Pennsylvania, 1935. hardcover. Frontispiece portrait with tissue guard. Illustrated with many b/w plates. 362pp., short thick 4to, two-toned beige cloth (small private library stamps on front/rear endpapers and at base of spine; few pages dinged at bottom edge; rear inner hinge repaired, else very good). Philadelphia: Historical Society of Pennsylvania, 1935. Very good. very good.
A comprehensive study of the life and career of Oliver Evans, the inventor of high-pressure steam engines. Scarce. Limited edition of 500 copies, this copy un-numbered.