Gas laboratory
Manhattan College. Interior, testing laboratory
[Man working with scientific equipment.]
Portrait, Thomas Edison in His Laboratory, His Wife and Son.
[Pavelle Laboratories. Display window.]
Hunter College, laboratory.
Dentist Laboratory, locker Room.
Dentist Laboratory, articulating Machines.
Miss Hicks Laboratory Interior.
Pavell Laboratories, interior view.
[Gas range.]
Manhattan College. Interior, physics laboratory
New York Hospital. Biological Laboratory.
Harlem Hospital, Biological Laboratory, interior.
