Simplex machine, general view with rheostat attached.

Simplex machine, general view.

The Precision Machine Co. View of Simplex machine with new lamp-house and motor control.

Simplex machine with lamp house detail, interior lantern.

Simplex machine.

Simplex film inspecting machine.

Simplex machine.

Simplex machine.

Simplex machine.

Small addressing machine, front view.

220 West 19th Street. Spec. Type K machine addressograph with cutter, general front view.

Simplex Machine Co. Detail of Rheostat.

Fresh Meadows Housing, general view of east front.

Simplex film inspecting machine.

View of Simplex automatic arc feeder.

Lever House, general view.

Lever House, general view.

The Precision Machine Co. Simplex motion picture camera.

New York Worlds Fair, Glass Products Building, general front view from S.W..

View of machine.