Unidentified photographer / artist, 1882, Fig. 4 Herr Schaarwachter's hanging system for backgrounds at his studio in Berlin, Book illustration, Google Books, LL/34506
Unidentified photographer / artist 1882 Fig. 4 Herr Schaarwachter's hanging system for backgrounds at his studio in Berlin
Book illustration Google Books In "The Photographic Studios of Europe" by H. Baden Pritchard, F.C.S. (London: Piper & Carter, 1882) Fig.4 p.230