Simplex machine, general view.
Simplex Machine Co. Detail of Rheostat.
Machine with rheostat.
General view of Simplex machine with new lamp house, from front.
Simplex machine.
Simplex film inspecting machine.
The Precision Machine Co. View of Simplex machine with new lamp-house and motor control.
Simplex machine with lamp house detail, interior lantern.
The Precision Machine Co. Simplex motion picture camera.
View of Simplex automatic arc feeder.
View of machine.