[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.]
[Interior, view of air ducts.]
[Machine room.]
[Interior of unidentified building, possibly a factory.]
[Heating control valve on 17th floor of unidentified building.]
[Brick Wall]
[Factory building, structure on roof.]
[Interior, detail of air ducts.]
[Interior, radiator manufacturing shop.]
[Brick Church.]
[Brick building with American Flag.]
237 East 37th Street. Murray Hill High School. Lead pipe set up with plumbing students
[Interior, detail of meters.]