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