London: Harrap, 1974. First printing. 260 pp. Price of £6.10 on front flap of dust jacket. Translated by Gordon Reece. A study of the early development of Quantum Theory from 1900 - 1927. Very slight lean and a bit of wear to the edges of the boards. More
Indianapolis: The Bobbs-Merrill Company, Inc. [1953], 1953. Reprint. Hardcover. 8vo. [10], 11-384 pp. Red cloth with gold lettering on the front board and spine. Price of $4.00 on the front flap of the dust jacket. Illustrated with a photograph frontispiece and fifteen additional black and white photographs. A Very Good+..... More