[Construction of the Aviation building, New York World's Fair site.]

[Construction of the Aviation building, New York World's Fair.]

[Construction of building at the New York World's Fair site.]

[Construction of the Perisphere, New York World's Fair site.]

[Construction of the Perisphere, New York World's Fair site.]

[Construction of the Aviation building, New York World's Fair site.]

[Construction of the New York World's Fair site.]

[Construction of the New York World's Fair site.]

[Construction of the New York World's Fair site.]

[Construction of the New York World's Fair site.]

[Construction of the New York World's Fair site.]

[New York World's Fair. Aviation Building, steel frame. Construction view.]

[Construction of the New York World's Fair site.]

[Construction of the Aviation building, New York World's Fair site.]

[Construction of the Perisphere, New York World's Fair site.]

[Construction of the New York World's Fair site.]

[Construction of the Perisphere, New York World's Fair site.]

[Construction of the Perisphere, New York World's Fair site.]

[Construction of the Perisphere, New York World's Fair site.]

[Construction of the Perisphere, New York World's Fair site.]