[Interior, boiler room.]

[Interior, boiler room.]

[Interior, boiler room.]

Manhattan College. Interior, boiler room

Furnace and boiler room

Furnace and boiler room

[Interior, boiler room.]

[Interior, boiler room showing fire damage.]

[Machine room.]

["Gulf Queen", boiler room looking to starboard.]

["Gulf Queen", boiler room looking to port at oil pumps.]

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

[Interior, detail of air ducts.]

[Interior, view of air ducts.]

[Interior with machinery.]

153 Madison Avenue. Redlich & Company, silversmiths. Interior, boiler room

[Interior, detail of meters.]

Interior, manufacturing shop with boiler, oven and bags

71 Morton Street. Interior, boiler

French Line, S.S. "Paris", Interior, One Section of Boiler Room.