Sorry... (http://www.youtube.com/watch?v=rnUKQOkqtME#)
A 50's theater owner (Rowe Carney, Jr.) was impressed by This is CineRama, but CineRama was too expensive, so he partnered with a projectionist (Tom Smith) & made his own version, using mirrors to stack four images on a single frame of 35mm film.
More Info: https://websitering.neocities.org/roto.htm (https://websitering.neocities.org/roto.htm)