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. View of inserting movement in machine.
Simplex machine.
Precision Machine Co. Inserting slide [into] slide carrier.
Precision Machine Co. Pulling out slide.
Simplex Machine Co. Detail of Rheostat.
Simplex machine, general view.
Simplex film inspecting machine.
Films, Dressler & Co. Factory. Motion Picture Machines.
Films, Dressler & Co. Factory. Motion picture machines.