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