[View of construction.]
Building. Construction view, upper stories
[Building construction.]
[Construction of Rockefeller Center.]
[Aerial view of construction in Midtown.]
[Steel frame for National Bridge Works.]
[Construction of the New York World's Fair site.]
[Construction of the Perisphere, New York World's Fair site.]
[New York World's Fair. Pile driver with Perisphere and Trylon in background. Construction view.]