Simplex machine, general view with rheostat attached.
Simplex machine.
Machine with rheostat.
Simplex machine with lamp house detail, interior lantern.
The Precision Machine Co. Simplex motion picture camera.
Simplex machine, general view.
Simplex film inspecting machine.
The Precision Machine Co. View of Simplex machine with new lamp-house and motor control.
[Detail, machine.]
General view of Simplex machine with new lamp house, from front.
Detail of KX addressing machine.
[Detail, machine part.]