Simplex machine, general view with rheostat attached.
Simplex machine.
Simplex machine with lamp house detail, interior lantern.
Machine with rheostat.
The Precision Machine Co. Simplex motion picture camera.
Simplex film inspecting machine.
Simplex machine, general view.
The Precision Machine Co. View of Simplex machine with new lamp-house and motor control.
[Detail, machine.]
Detail of KX addressing machine.
[Detail, machine part.]
Rheostat without lid.
General view of Simplex machine with new lamp house, from front.