STEREOSCOPIC VIEWER. MORE SHOTS STEREOSCOPIC PERFECSCOPE 111. CENTURY XIX-XX. ALUMINUM VISOR wooden handle. TOP Stamped SEAL UNIVERSAL INTERNATIONAL EXHIBITION 1900 NC WHITE COMPANY. RECORDED IN THE BASE: THE PERFECSCOPE. TRADE MARK USA PATENT OCT. JUNE 1895. 15. 3. 1902. FEB. 1. 1. 1896. No. 53803. 111 stereoscopic photographs with landscapes of Europe and Asia. The measurements comply with the viewfinder. MEASURES OF SHOTS: 18 X 9 CM. RESTORING THE VIEWER NEEDED IN SUPPORT OF PHOTOS. SOME SLIGHT TEARS Photography presents. 19,5x31x20cm