Plumbing, view of flange connection, lead pipe
636 Columbus Avenue. Interior, bathroom showing remodeling with lead plumbing
146 West 52nd Street. Livingston Radiator Manufacturing. Interior, lead melting ovens
East 22nd Street. Empire Hat co., gas furnace for melting lead.
237 East 37th Street. Murray Hill High School. Lead pipe set up with plumbing students
[Interior, manufacturing shop, metal melting oven.]
[Telephone operators.]
[Interior, manufacturing shop, metal melting furnace oven.]
Dentist Laboratory, melting and Soldering furnaces.
[Copy photo of] operating theater, Bellevue Hospital, finishing an operation.
Interior, manufacturing shop, metal melting pot
Operating Room of Hospital.
Norwegian Hospital, operating room.
Hospital. Interior, operating room