Methuen & Co. Ltd. London. 1920.
FIRST ENGLISH EDITION. 8vo. (7.7 x 5.1 inches). Portrait frontis and five line diagrams within the text. Complete with the 8pp publishers adverts at back of book. A few light spots to the first couple of pages but overall a clean, bright copy throughout in a recent fine leather binding of full red morocco. Spine with raised bands, compartments ruled, decorated and lettered in gilt. Single gilt ruled border on boards. Top edge gilt, others untrimmed with rough edges. ------ This important translation, apart from being the first English edition, also contains new text written by Einstein specially for this edition-- Appendix III, The Experimental Confirmation of the General Theory of Relativity.