[South tunnel (land), man lock and tender.]
Typical Pressure Tunnel Construction Shaft [Catskill System.]
Shaft No. 4, Steinway Tunnel.
Drilling and Mucking Bench [of] Lower Half of Tunnel [Catskill System.]
[Tunnel construction.]
[Holland Tunnel.]
Flatbush Water-Works.
[North tunnel shield.]
Midtown Tunnel under Hudson River, April 24, 1935
View at Flatbush Water Works, Brooklyn, N. Y.
[Cutting the rails of the Third Avenue El.]
Original Exhibits of Rapid Transit Subway Construction Company, Plaintiff [Excavating a tunnel; subway construction.]
Imperial Theatre
Shubert Crescent Theatre
[Shaft 9A.]
[Third Avenue El.]
Rondout Pressure Tunnel Showing Partial and Total Concrete Lining [Catskill System.]
Carl Schultz, Mineral Water Mfg.