View of Simplex automatic arc feeder.
Simplex machine, general view.
Simplex machine.
Simplex machine, general view with rheostat attached.
General view of Simplex machine with new lamp house, from front.
[Simplex projector.]
Simplex Machine Co. Detail of Rheostat.
Simplex film inspecting machine.
[Gas Arc Lighting.]
The Precision Machine Co. View of Simplex machine with new lamp-house and motor control.
Broadway and John Street. Automat, detail of entrance.
1918 Exhibit, Madison Square Garden, interior, Simplex projector.
The Precision Machine Co. Simplex motion picture camera.
42nd Street and Park Avenue, S.W. corner. Airlines Terminal Building, new view from street, with Automat.
Cross Paper Feeder Co.