[Interior, view of air ducts.]
[Interior, detail of air ducts.]
[Interior of unidentified building, possibly a factory.]
[Interior, possibly a basement, with unidentified equipment.]
[Factory building, structure on roof.]
60 Wall Street [70 Pine Street.] Cities Service Company. Interior, Riggs-Distler Heat units
[Exhaust system on roof.]
17-19 West 17th Street. Loft building.
138-140 West 17th Street. Loft building.
[Machine room.]
29th Street pier. S.S. Mobile City ship, Isthmian Line. Sump pump pipes
Fourth Avenue and E. 17th Street. Everett Building.
90 Church Street. U.S. Federal Building and Post Office. Interior, 17th floor machine room
325 East 79th Street. Penthouse garden, 17th floor.
17th Street and 5th Avenue. Mott Iron Works Building.
12 East 86th Street. Croydon Hotel, 17th floor penthouse garden, Mrs. Zoylner.
47 West 17th Street. U.S. Cigar Co. Building.
[Interior, boiler room.]
[33 West 17th Street.]