[Brick wall with carved forest scene on top.]
[Interior, possibly a basement, with unidentified equipment.]
29th Street pier. S.S. Mobile City ship, Isthmian Line. Sump pump pipes
[Interior with machinery.]
[Exhaust system on roof.]
[Interior, boiler room.]
[Machine room.]
[Heating control valve on 17th floor of unidentified building.]
[Interior, view of air ducts.]
[Interior of unidentified building, possibly a factory.]
[Interior, detail of air ducts.]
[Factory building, structure on roof.]
[Interior, detail of meters.]
[Interior, radiator manufacturing shop.]
[Brick Wall]
East 58th Street. Street opening, wiping joint of lead pipe on street
[Brick building with American Flag.]