Stockholm, Almqvist & Wiksell, 1915. Large 4to. Uncut with orig. prited wrappers. (2),139 pp. Offprint from "Kungl. Svenska Vetenskapsakademien Handlingar.", Bd. 55. No 1.
First printing (in the offprint form) of a major work in geometrical optics by Gullstrand.
Order-nr.: 42247