EINSTEIN, A.

Zum gegenwärtigen Stande des Gravitationsproblems.

Leipzig, S. Hirzel, 1913. Royal8vo. Bound in contemporary half cloth with gilt lettering to spine. In "Physikalische Zeitschrift", Vol. 14, 1913. Entire issue offered. Binding with wear, front hinge loose. Front free end-paper and title page with library stamps. Internally fine and clean. Pp. 1249-1266. Discussion; Pp. 1262-66. [Entire volume: XXXI, (1), 1312 pp. + LVI plates].

First printing the famous address that Einstein gave on the occasion on the 85th Congress "Versammlung Deutscher Naturforscher und Aerzte zu Wien" in their meeting September 23, 1913, together with the ensuing discussion. In it he compared the development of the various theories of gravitation with the development of successive concepts of electricity.

Weil No. 54.

Order-nr.: 46938