First offprint of Einstein’s paper with a revision of his “cosmological constant”, 1923

Albert EINSTEIN: ZUR ALLGEMEINEN RELATIVITÄTSTHEORIE. [On the General Theory of Relativity.] Sitzungsberichte der Preussischen Akademie der Wissenschaften, V (1923). Sitzung der physikalisch-mathematischen Klasse vom 15. Februar. Sonderabdruck [Offprint]). Berlin: Verlag der Akademie der Wissenschaften (in commission at Walter de Gruyter [Reichsdruckerei]), 12th March 1923.

Imperial 8vo (25,4:18,2 cm). 8 pages, numbered 34-38 [1]. Letterpress on machine paper, in original publisher’s brochure on orange stock with black title printing.

First offprint, in the original wrappers, where he reviews his "cosmological constant" from 1917 and admits an error in calculating it.

Content: In this paper Einstein accepted that his introduction of the 'cosmological constant' in 1917, in order to allow for the possibility of a static universe, may have been a mistake.

Condition: Very fine.

Rarity: ABPC (1973ff.) and APO (1988ff.) record 4 copies of this edition at auction (2012 (2x), 2011, 1994).

Reference: Boni-Russ-L. 140; Schilpp-Shields 174; Weil 131.