[New York World's Fair. Construction view, looking up at the steel frame of the Perisphere.]
[New York World's Fair. Aviation Building, steel frame. Construction view.]
New York Worlds Fair. Perisphere. View looking up from inside steel frame
New York Worlds Fair. Perisphere, looking up from inside steel frame
New York Worlds Fair. View looking down on Perisphere steel frame from Trylon
[Construction at the New York World's Fair site.]
[New York World's Fair site, view of construction.]
New York Worlds Fair. Perisphere and Trylon steel frame
[Construction of the New York World's Fair site, showing the steel frame of the Perisphere.]
[New York World's Fair site during construction, showing the steel frames of the Trylon and Perisphere.]
[Construction of building at the New York World's Fair site.]
[Close-up of the Perisphere under construction, New York World's Fair site.]