Wray was a British optical company formed in 1850, and best known for lenses used in other makers' cameras. Wray made a couple of cameras after World War II, most notably the 35mm SLR Wrayflex, and sold the Graflex Stereo Graphic camera under its own name.
The Wray Stereo Graphic is a 1950-60s 3D 35mm film stereo camera. It has twin 35mm f/4 lenses that take two photos at the same time, you then get developed and can make 3D photos. Simply set the aperture from the 5 choices , then shoot! It's got two shutter speeds, 'I' (~1/50s) and 'B' for Bulb. It's super simple to use, suitable for amateurs and professionals, ideal for portrait, landscapes and experimental photography.