The only movie released in Smell-O-Vision piped 30 odors under the seats
The 1960 mystery-comedy Scent of Mystery was the only film ever released in Smell-O-Vision, which delivered 30 odors to vents under the theater seats. Inventor Hans Laube called the mechanism the "smell brain": a belt of perfume containers wound onto a motorized reel, cued by markers on the fi…
