Waddell presented tests in red-green anaglyph to an audience at the Astor Theater in New York City and in 1922 the first public 3D movie The Power of Love was displayed. On 10 June 1915, former Edison Studios chief director Edwin S. In the late 1890s, the British film pioneer William Friese-Greene filed a patent for a 3D movie process. The stereoscope was improved by Louis Jules Duboscq, and a famous picture of Queen Victoria was displayed at The Great Exhibition in 1851. It showed that when two pictures are viewed stereoscopically, they are combined by the brain to produce 3D depth perception.
The stereoscope was first invented by Sir Charles Wheatstone in 1838.
