[Interior, boiler room.]

[Interior, boiler room.]

[Interior, boiler room.]

Manhattan College. Interior, boiler room

Furnace and boiler room

[Interior, boiler room.]

Furnace and boiler room

[Interior, boiler room showing fire damage.]

116 West 32nd Street. Milliner. Interior, boiler room

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

[Interior with machinery.]

Interior, manufacturing shop with boiler, oven and bags

[Machine room.]

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

[Interior, radiator manufacturing shop.]

Ajax [Ajax Cloth Sponging Co.] Boilers

Rodin Studio Building. Boiler Room - Looking S.

Long Island City. Metropolitan Life Insurance Company, Printing Division Building. Interior, boiler room

Sixth Avenue. Boilers

533 West 57th Street. Pavelle Laboratories. Interior, photo lab boiler room. Construction view