[New York World's Fair. Construction view, looking up at the steel frame of the Perisphere.]
[Construction of the Perisphere, New York World's Fair site.]
[New York World's Fair. Pile driver with Perisphere and Trylon in background. Construction view.]
New York Worlds Fair. Bird's-eye view of Perisphere under construction
[New York World's Fair. Blimp flying over Perisphere and Trylon. Construction view.]
[Construction of the Helicline, Trylon and Perisphere, New York World's Fair site.]
[Construction of the Trylon and Perisphere, New York World's Fair site.]
[New York World's Fair. Theme Center, Perisphere and Trylon. Double exposure.]
[Construction of the Trylon and Perisphere at the New York World's Fair site.]
