First offprint of Einstein’s pioneering paper on photons, 1922

Albert EINSTEIN: THEORIE DER LICHTFORTPFLANZUNG IN DISPERGIERENDEN MEDIEN. [Theory of the Propagation of Light in Dispersive Media.] Sitzungsberichte der Preussischen Akademie der Wissenschaften, III (1922). Sitzung der physikalisch-mathematischen Klasse vom 2. Februar. Sonderabdruck [Offprint]). Berlin: Verlag der Akademie der Wissenschaften (in commission at Walter de Gruyter [Reichsdruckerei]), 27th February 1922.

Imperial 8vo (25,4:18,2 cm). 6 pages, numbered 18-22 [1]. Letterpress on machine paper, in original publisher’s brochure on orange stock with black title printing.

First offprint in the original wrappers, of Einstein's paper on photons.

Condition: Front cover with some very small spots, otherwise very fine.

Rarity: ABPC (1973ff.) and APO (1988ff.) record only 2 copies of this edition at auction (2009, 1994).

Reference: Schilpp-Shields 162; Weil 120.