General view of Simplex machine with new lamp house, from front.
Simplex Machine Co. Detail of Rheostat.
Simplex machine.
The Precision Machine Co. View of Simplex machine with new lamp-house and motor control.
Simplex machine, general view with rheostat attached.
Simplex film inspecting machine.
Simplex machine, general view.
[Detail, machine.]
The Precision Machine Co. Simplex motion picture camera.
Interior, shoe factory with man at machine
Interior, shoe factory with woman at machine