[Construction of Electrical Products building with frame of Trylon in background, New York World's Fair site.]
[New York World's Fair site under construction, showing the Electrical Products building and the frame of the Trylon.]
[Construction of the New York World's Fair site. Production and Distribution building, with the frames of the Trylon and Perisphere in the background.]
[Construction of the New York World's Fair site, with the frame of the Trylon 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 New York World's Fair site. Electrical Products building.]
[New York World's Fair site under construction, with the frames of the Trylon and Perisphere in the background.]
[New York World's Fair site under construction, with the steel frame of the Trylon in the background.]
[Night view of the Electrical Products building, New York World's Fair.]
[Construction of the New York World's Fair site, with the frames of the Trylon and Perisphere in the background.]
[Construction of the Trylon and Perisphere, New York World's Fair site.]
New York Worlds Fair. Perisphere and Trylon steel frame
[Construction of the Trylon and Perisphere, seen from the Administration building, New York World's Fair site.]
[Construction of the Helicline, Trylon and Perisphere, New York World's Fair site.]