Princeton, NJ: Princeton University Press, 1950. Third edition. Hardcover. 150 pp. Price of $2.50 on front flap of jacket. First printing of the Third Edition. This edition includes a new Appendix on the The Generalized Theory of Gravitation. An attractive copy of one of the most influential books by this towering figure in the history of science. Very near Fine / Near Fine. Item #00005249
Very near Fine book in a Near Fine dust jacket with a few hints of edge wear and some darkening to the spine panel.