World's Fair Trylon and Perisphere

World's Fair Trylon and Perisphere

The Trylon and Perisphere were built as the central structures of the 1939 New York World's Fair and housed the "Democracity" diorama. A ramp, called the Helicline, connected the two structures. 1937. Invented by Wallace K. Harrison and Jacques Andre Fouilhoux.