Duplex Optical Printer
Optical printers; Light change cards; Motion pictures
Cards: One of 30 light change cards for Duplex Optical Printer. Brooklyn, New York. "An optical printer is a device consisting of one or more film projectors mechanically linked to a movie camera. It allows filmmakers to re-photograph one or more strips of film. The optical printer is used for making special effects for motion pictures, or for copying and restoring old film material."
Printed, BW card; 7” x 4.5”
Jonathan Silent Film Collection
Duplex Machine Company