Triple Imperial Extension field camera
Thornton-Pickard Mfg. Co., Altrincham; half-plate, brass and mahogany, black bellows, with a Thornton-Pickard-Beck Symmetrical lens in a roller blind shutter
Triple Imperial Extension field camera
Thornton-Pickard Mfg. Co., Altrincham; half-plate, brass and mahogany, black bellows, with a Thornton-Pickard-Beck Symmetrical lens in a roller blind shutter