The Precision Machine Co. Simplex motion picture camera.
The Precision Machine Co. View of Simplex machine with new lamp-house and motor control.
Precision Machine Co. Pulling out slide.
Simplex machine.
Simplex Machine Co. Detail of Rheostat.
Precision Machine Co. View of inserting movement in machine.
Precision Machine Co. Inserting slide [into] slide carrier.
Simplex film inspecting machine.
Simplex machine, general view.
Films, Dressler & Co. Factory. Motion Picture Machines.
Films, Dressler & Co. Factory. Motion picture machines.