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.
[Interior, dentist office.]
Hunter College, laboratory.
Pavell Laboratories, interior view.
New York Hospital. Biological Laboratory.
183rd Street. Biograph Laboratories.
Simplex machine.
Small machine.
Large machine.
[Machine room.]
Manhattan College. Interior, chemical laboratory
Manhattan College. Interior, testing laboratory