Damoy stereoscope Omnium III Special, elegant stereo viewer Omnium III, breveté S.G.D.G. For stereo viewing photos on glass plate. The viewer includes a black wooden handle and is stored in the original box. The box has faded due to the sun over the years, the viewer and handle are in new condition. It is Certainly a nice viewer to use Also a beauty but for the display cabinet. Stereoscope folding metal, nickel, to photo paper 4.5 x 10.7 x 13 cm and 6. The display was also made with rectangular prism lenses Damoy OMNIUM model. Targeting (focus) it is done by means of transmission gears. Made around 1910