[Queensboro Bridge under construction.]

Queensboro Bridge, Under Construction.

[New Manhattan Bridge.]

Queensboro Bridge Under Construction.

[Brooklyn Bridge.]

Queensboro Bridge, New York

[Queensboro Bridge.]

Queensboro Bridge. Upper road and towers. Construction view

Queensboro Bridge

[Skyline from tower of Brooklyn Bridge.]

Trolley Under Queensboro Bridge.

[Queensboro Bridge.]

Queensboro Bridge. Workers repainting bridge

Queensboro Bridge, New York City

Queensboro Bridge. Workers repainting bridge

[Queensboro Bridge and Roosevelt Island Tramway.]

[Queensboro Bridge and Roosevelt Island Tramway.]

Queensboro Bridge, New York

[Construction of the Pennsylvania Railroad tunnels under the Hudson.]

[Brooklyn Bridge under construction.]