Thalň, Robert, 1827-1905.
Robert Thalen papers.
Letters from Thalň to several Swedish scientists, lecture notes on optics, 1891.
Professor in physics and mechanics.
Optics
Lecture notes. ftamc aat
Physicists. lcsh
AIP-ICOS
Kungl. Svenska vetenskapsakademien. Centrum fr̲ Vetenskapshistoria. Stockholm, Sweden