General view of Simplex machine with new lamp house, from front.
The Precision Machine Co. Simplex motion picture camera.
Simplex machine with lamp house detail, interior lantern.
Precision Machine Co. View of inserting movement in machine.
Simplex machine, general view with rheostat attached.
Simplex Machine Co. Detail of Rheostat.
Precision Machine Co. Pulling out slide.
Simplex machine, general view.
Simplex machine.
Simplex film inspecting machine.
Williamsburg, Brooklyn. Austin-Nichols and Co., control and motor to refrigerator plant.
Precision Machine Co. Inserting slide [into] slide carrier.