When Were Carousel Slide Projector Invented?

When Were Carousel Slide Projector Invented? The original concept for the carousel slide projector is credited to Italian-American Louis Misuraca, who brought his design to the Kodak company, and sold it for a lump sum. Kodak released their first Carousel projector, the Model 550, in 1961 and sold it until 1966. When were carousel projectors