Aptus magazine plate camera

Aptus, box type magazine plate camera for 3 1/4 x 4 1/4 inch plates. Fitted with an Aldis anastigmat lens No.2 f/6-64 No.3810. A Bausch and Lomb Unicum shutter 1/2/5/25/50/100/B/T cocked and released by cords through camera side. Lens and shutter are fitted on a detachable panel. Rack and pinion focusing. Two brilliant reflecting finders. Falling plate mechanism relapsed by slide. Exposure counter. With 12 metal plate holders. Sharp and Hitchmough.