[Blimp flying over Perisphere and Trylon.]
[Construction of the Trylon and Perisphere, New York World's Fair site.]
[New York World's Fair. Pile driver with Perisphere and Trylon in background. Construction view.]
[Construction of the Helicline, Trylon and Perisphere, New York World's Fair site.]
[Blimp flying over the New York World's Fair site.]
[Construction of the Perisphere and Trylon, New York World's Fair site.]
[Construction of the Trylon and Perisphere at the New York World's Fair site.]
[Construction of the Trylon, Perisphere and Helicline at the New York World's Fair site.]
[New York World's Fair. Theme Center, Perisphere and Trylon. Double exposure.]
New York Worlds Fair. Perisphere and Trylon steel frame
[New York World's Fair. Surveyors in transportation area. Construction view.(With the Trylon and Perisphere in the background.).]
