Die Grundlagen der Einsteinschen Gravitationstheorie (Basics of Einstein’s Theory of Gravitation)

Freundlich, Erwin. Die Grundlagen der Einsteinschen Gravitationstheorie (Basics of Einstein’s Theory of Gravitation). Berlin: Verlag von Julius Springer, 1920. Third edition (extended and improved). Sm. 8vo. 96(2)pp. Original wrappers. Some chipping, creasing and minor staining to wrappers. Two by one inch watermark to top edge. Watermark visible up to page 1. Sporadic foxing throughout not affecting text. A booklet on Einstein’s “Theory of Gravitation” which he completed in 1915. Illustrated with figures and 2 in-text drawings. Text in German. In good condition. g. Softcover. (12075) $50