[Construction of the New York World's Fair site, with the steel frames of the Trylon and Perisphere visible.]
[Construction of the World's Fair site, with the steel frames of the Trylon and Perisphere visible.]
[Ranger at the New York World's Fair site during construction, with the 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 steel frames of the Trylon and Perisphere visible in the background.]
[Ranger at New York World's Fair site during construction, with the frames of the Trylon and Perisphere in the background.]
[Construction of the Perisphere and Trylon, New York World's Fair site.]
[Ranger patrolling New York World's Fair site during construction.]
[Construction of the Perisphere with shadow of Trylon visible, New York World's Fair site.]
[Construction of the New York World's Fair, with the steel frames of the Trylon and Perisphere visible.]
[Construction of the Helicline, 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 New York World's Fair site, with the frames of the Trylon and Perisphere in the background.]