Omnigraph magazine plate camera. Manufactured by J Lancaster. Box form camera with single lens for 3" x 4 1/4" pictures. Lancaster see-saw shutter. Reflecting view finder. Plate holders carrried in large holder from whicg one at a time they fall into focal plane. After exposure each plate is returned to holder back to frin for subsequent exposure of second plare back to back with first. Wooden flexible slide covers back of plate during changing and exposure operation. With three double metal plate sheaths in holder.