Queensboro Tunnel.
Southbound express tunnel.
Fire Dept., Engine Co. #30, Horse Drawn Engine and Men.
Typical Pressure Tunnel Construction Shaft [Catskill System.]
R. Martens & Co. [Proof Sheet].
Bonticou Grade Tunnel Portal and Bonticou Crag [Catskill System.]
[Constructing the McAdoo Tunnel.]
West Side of Fifth Ave. 57 to 58 Sts.
History, Civil War.
Drilling and Mucking Bench [of] Lower Half of Tunnel [Catskill System.]
Belasco Theatre.
Office of Chief Engineers, R. Martens & Co. Inc.
Park Ave. Hotel.
Interiors, Queensboro Corp., 82nd St. and Polk Ave., Jackson Heights, L.I., Fireplace and Nook.
Commodore Hotel.
Theatre, Olympia, B'way, 44th & 45th Sts., Hammerstein's.
Safes in Fire Wrecks, Herring Hall Marvin Co. Safes.
Skyline of N.Y.
East Side of Fifth Ave. from 53 to 52 Sts.