[Construction of the Trylon and Perisphere, New York World's Fair site.]
[Construction of the New York World's Fair site, showing the steel frame of the Perisphere.]
[Construction of the Helicline, Trylon and Perisphere, New York World's Fair site.]
[New York World's Fair site under construction, with the frames of the Trylon and Perisphere in the background.]
[Construction of the Perisphere and Trylon, New York World's Fair site.]
New York Worlds Fair. Perisphere and Trylon steel frame
[Construction of the Trylon and Perisphere at the New York World's Fair site.]
[Construction of the New York World's Fair site, with the steel frames of the Trylon and Perisphere in the background.]
[Construction of the Trylon, Perisphere and Helicline at the New York World's Fair site.]
[Richard Wurts next to the frames of the Trylon and Perisphere during construction of the New York World's Fair site.]