[Window washers.]

[Window washers.]

[Fire escape.]

[Skyway.]

[Window washers on city street.]

[Sailing mast.]

[Window washers.]

[Men installing window.]

[Construction of Rockefeller Center.]

[Construction of building at Rockefeller Center.]

[Unidentified brick building with metal shutters.]

[View looking up toward Empire State Building.]

John Harbeck Mausoleum. Woodlawn Cemetery, N.Y.C. Looking Up Into Dome, Showing Cracks in Scroll Work Design of Mosaic at Left Hand Side of North Window

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

[Lloyd Wallpapers sign and Rockefeller Center.]

[Façade of an unidentified building.]

[Welfare Hospital for Chronic Disease.]

Park Avenue and 53rd Street. Lever Building [Lever House], Putting in Last Pieces of Glass in Courtyard

Park Avenue and 53rd Street. Lever Building [Lever House], Putting in Last Pieces of Glass in Courtyard

[George Washington Bridge.]