Bertram Press Camera for plates, cut and rollfilm negative size 2 1/4 x 3 1/4". Drop front pull-out type. Swing back adjustment. Lens has bayonet mount and interchangable. Shutter behind is Synchro Compur with speeds 1 1/400sec B. & T and delayed action device. Back is ground glass focusing screen. With 3 metal double darkslides. All metal construction covered in black leather. Bertram 1955.