Dentist Laboratory, buffing and grinding machines.
Dentist Laboratory, locker Room.
Dentist Laboratory, melting and Soldering furnaces.
Dentist Laboratory, general view of classroom looking north.
Dentist Laboratory, taking working drawer out of cabinets.
Dentist Laboratory, general view of classroom looking south.
[Machine.]
Gas laboratory
Hunter College, laboratory.
[Interior, dentist office.]
Miss Hicks Laboratory Interior.
Lying-in Hospital, laboratory interior.
Harlem Hospital, Biological Laboratory, interior.
Pavell Laboratories, interior view.
Large machine.
Small machine.
Accounting machine.