In the late 1950s, 70 mm film exhibitions were very popular, due to the large screen size and thunderous soundtrack.
In 1959, Walt Disney was interested in using a prestigious 70 mm release of his film Sleeping Beauty, and this was the first use of Super Technirama 70.
A big advantage to Super Technirama 70 was that the prints were fully compatible with Todd-AO and the other systems using a spherical 65mm negative.
A few of the Super Technirama 70 films (including Circus World and Custer of the West) were presented in 70 mm Cinerama at some venues.
Special optics were used to project the 70 mm prints onto a deeply curved screen to mimic the effect of the original 3-strip Cinerama process.