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 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.
General view of Simplex machine with new lamp house, from front.
[Detail, machine part.]