Steam generators, engine house.

Steam generators, engine house.

Steam generators, engine house.

639 Broadway. Interior, steam generator

39 Bond Street. Interior, detail of steam elevator, engine hoist

Lever House, general view.

Lever House, general view.

Warner House Apartments, general view.

Warner House Apartments, general view.

Broadway and Fulton Street. Western Union Building, general interior of engine room.

Copy from photo of General Culver.

Park Avenue. Lever House, general view with reflections.

Dyeing Establishment, steam boiler.

Broadway and Fulton Street. Western Union Building, general interior of engine room.

Park Avenue. Lever House, general view with reflections.

Park Avenue. Lever House, general view with reflections.

[Private house, exterior.]

2nd Avenue and 64th Street. General view of Vahl Engineering Company.

Copy from photo of General Culver.

Fresh Meadows Housing, general view of east front.