World's Fair Trylon and Perisphere

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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.