[Construction of the New York World's Fair site, showing the steel frame of the Perisphere.]
New York Worlds Fair. Perisphere and Trylon steel frame
[Construction of the New York World's Fair site, with the steel frames of the Trylon and Perisphere in the background.]
[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.]
[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 Worlds Fair. View of grounds from Grand Central Parkway [showing the steel frames of the Trylon and Perisphere.]
[Construction of the World's Fair site, with the steel frames of the Trylon and Perisphere visible.]
[Construction of the New York World's Fair site, with the steel frames of the Trylon and Perisphere visible.]
[Construction of the New York World's Fair site, showing the Ford pavilion's spiral driveway and the steel frame of the Trylon in the background.]
[Site of the New York World's Fair, showing the frames of the Trylon and Perisphere.]
