How Cinerama works, 1952.

UNITED STATES - JUNE 14: A schematic drawing showing the various stages in the production of a Cinerama film - from filming on location to projection in a theatre. Cinerama used three synchronised projectors, projecting film onto a deeply curved screen to produce images with an extremely wide angle of view - similar to that of human vision. Instead of a flat screen and mono sound, here was a spectacular phenomenon - a huge, curved screen and sound that surrounded the audience. Cinerama was invented by Fred Waller (1886-1954) who had been Head of Special Effects at Paramount. The first Cinerama film, 'This Is Cinerama', opened in New York in 1952 and was a great success. Over the next ten years, another eight feature films were made using Waller's three-camera system and over 100 Cinerama theatres were opened around the world. (Photo by SSPL/Getty Images)