View of Simplex automatic arc feeder.
Simplex machine, general view.
Simplex machine.
Simplex machine, general view with rheostat attached.
The Precision Machine Co. View of Simplex machine with new lamp-house and motor control.
General view of Simplex machine with new lamp house, from front.
[Simplex projector.]
Simplex Machine Co. Detail of Rheostat.
Simplex film inspecting machine.
Cross Paper Feeder Co.
Broadway and John Street. Automat, detail of entrance.
[Gas Arc Lighting.]
West 156th Street. American Numismatic Society Building, Joan of Arc Exhibit.