[Interior, detail of meters.]

[Interior with machinery.]

[Interior, radiator manufacturing shop.]

[Machine room.]

[Interior, boiler room.]

[Interior, boiler room.]

[Interior, possibly a basement, with unidentified equipment.]

[Interior, boiler room.]

[Interior, boiler room.]

29th Street pier. S.S. Mobile City ship, Isthmian Line. Sump pump pipes

[Interior, detail of air ducts.]

[Industrial machinery.]

[Interior, view of air ducts.]

[Brick wall cut-away with embedded drainage pipe.]

[Interior of unidentified building, possibly a factory.]

Machinery in shoe factory

[Factory building, machinery on roof.]

Manhattan College. Interior, boiler room

Machinery in shoe factory

Machinery in shoe factory