Dentist Laboratory, articulating Machines.

Dentist Laboratory, buffing and grinding machines.

Dentist Laboratory, melting and Soldering furnaces.

Dentist Laboratory, general view of classroom looking south.

[Interior, locker room toilet stall.]

[Interior, locker room with pay toilet stalls.]

Dentist Laboratory, general view of classroom looking north.

Dentist Laboratory, taking working drawer out of cabinets.

[Interior, locker room with pay toilet stalls.]

Pavelle Laboratories, interior view, counting room.

Pavelle Laboratories, interior view, customer's room.

Manhattan College High School. Interior, locker room

Pavelle Laboratories, interior view, dark room, enlarging.

Pavelle Laboratories, interior view, dark room, enlarging.

[Interior, locker room shower stall.]

[Interior, locker room with toilet stalls.]

Gas laboratory

[Interior, locker room with pay toilet stalls.]

16 East 42nd Street. Pavell Laboratories. Interior, customer's room

Gas laboratory