Heinrich Hamann ~ Atelier J. Hamann :: Introduction of Swedish gymnastics in Hamburg by training inspector Carl Möller – hanging exercises on the new Ribbstol, ca. 1909. Albumen print. | MK&GHeinrich Hamann:: Einführung des schwedischen Turnens in Hamburg durch Trainingsinspektor Carl Möller [following cropping marks (our edition)], um 1909Heinrich Hamann ~ Atelier J. Hamann :: Introduction of Swedish gymnastics in Hamburg by training inspector Carl Möller – exercises on the new Ribbstol, ca. 1909. Gelatin silver print. | MK&G