©
Hans Kerensky: Goerz Photo-Stereo-Binocle, figure 1
©
Hans Kerensky: Goerz Photo-Stereo-Binocle, figure 2
©
Hans Kerensky: Goerz Photo-Stereo-Binocle, figure 3
©
Hans Kerensky: Goerz Photo-Stereo-Binocle, figure 4
©
Hans Kerensky: Goerz Photo-Stereo-Binocle, figure 5
©
Hans Kerensky: Goerz Photo-Stereo-Binocle, figure 6