Simplex machine, general view with rheostat attached.
Simplex machine.
General view of Simplex machine with new lamp house, from front.
Simplex Machine Co. Detail of Rheostat.
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 machine.
View of pathescope [machine].
View of Simplex automatic arc feeder.
Precision Machine Co. View of inserting movement in machine.