RELATIVITY. The special and the General Theory. A popular exposition. Methuen & Co. Ltd, London, 1921 Translated by Robert W. Lawson Condition: Hardcover, Original red cloth boards in very good condition. Portrait frontis and five line diagrams within the text. Interior is clean with many uncut pages, firm binding. Complete with the 8pp publishers adverts at back of book. 138 pages. Dimension: 19.5 x 13.5 cm. Einstein took the opportunity to publish an English-language version of the original German edition when interest in general relativity exploded, after the theory was confirmed experimentally by Arthur Eddington’s eclipse observations in 1919. Translated by physicist Robert Lawson from the third German edition of 1918, the 1920 English edition was the first to feature an important new appendix by Einstein on Eddington’s work – ‘The Experimental Confirmation of the General Theory of Relativity’ – not present in any previous edition Please view the photos for further details! Shipped tracked and insured.