Capsa Carette, Georges Carl Zeiss Jena Cartoscope Caténoscope Chadwick’s Lenticular Stereoscope Chain-based stereoscope Chambre Mobile Charles Mendel Stéréoscope Chromoplast Clégil Stéréoscope Clément & Gilmer Clément & Gilmer patent Clément, Paul Coin-operated stereoscope Cornu, Gustave Corollaire Corte-Scope Corte-Scope Company Cuny, Émile Curved stereoview Damoy, Julien Day’s Portable Stereoscope Demaria Diableries Dioskop Directoscope Doppelverant Dry plate Educa (company) Educa (stereoscope) Ernemann