Films #139 and #140: Catalog (1961) AND per-mu-ta-tion (1966)

Catalog is exactly that. Animator John Whitney Sr., one of the fathers of modern computer animation, built a one-of-a-kind animation contraption in the late 50s after messing around with parts from a World War II anti-aircraft plane's gun director. After a bit of tweaking, the machine stood at twelve feet and could produce dazzling images, if operated correctly. According to Wikipedia, "Design