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.
Precision Machine Co. View of inserting movement in machine.
Simplex Machine Co. Detail of Rheostat.
Simplex machine, general view.
Simplex film inspecting machine.
Precision Machine Co. Inserting slide [into] slide carrier.
Simplex machine, general view with rheostat attached.
Simplex machine with lamp house detail, interior lantern.
General view of Simplex machine with new lamp house, from front.