[Interior with machinery.]
[Interior, radiator manufacturing shop.]
[Interior, detail of air ducts.]
[Machine room.]
[Interior, boiler room.]
[Equipment detail, New York World's Fair.]
[Interior, view of air ducts.]
50th Street and 11th Avenue. Horn and Hardart Bakery, pressure meter, cast iron type.
29th Street pier. S.S. Mobile City ship, Isthmian Line. Sump pump pipes
[Interior of unidentified building, possibly a factory.]
[Interior, possibly a basement, with unidentified equipment.]
Meter Service Corporation. Electric meters, covered
Meter Service Corporation. Electric meters, uncovered
Manhattan College. Interior, boiler room
Centre Street and Pearl Street. U.S. Federal Courthouse. Interior, detail of roof showing lead installations
533 West 57th Street. Pavelle Laboratories. Interior, photo lab. Construction view
[Factory building, structure on roof.]