View of Simplex automatic arc feeder.
Simplex machine, general view.
Simplex machine.
[Simplex projector.]
Simplex machine, general view with rheostat attached.
Simplex film inspecting machine.
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 Machine Co. Detail of Rheostat.
42nd Street and Park Avenue, S.W. corner. Airlines Terminal Building, general view from street, with Automat.
Simplex machine with lamp house detail, interior lantern.
The Precision Machine Co. Simplex motion picture camera.
[Gas Arc Lighting.]
Broadway and John Street. Automat, detail of entrance.
92nd to 93rd Streets between Amsterdam and Columbus Avenue. Joan of Arc Junior High School, general view of rear from S.E..