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