Automatic repeating back for three colour photographs by Colour Photographs (B & F) Ltd., with six dark slides and two boxes of cut film holders, c. 1920. Colour Camera Repeating Back 1920
Back for half plate camera. Taking 3/4 plate, double bookform wooden darkslide with three position locating device. Ground glass screen 3 1/2 x 1 1/2 inches. No.18735. Repeating Back for Miniature Carte de Visite Half Plate Camera
For testing colour sensitivity of plates. Takes 10x4" plate; holder contains filter plate: K3 yellow (cracked), C tricolour blue, clear, A Tricolour red, B tricolour green. Eastman Ratiometer repeating back 1898-1908
Soho repeating back, made by Marion & Co. Ltd, 22/23 Soho Square. London W. Bayley's Patent repeating back for half plate or whole plate camera producing six exposures on quarter plate, sliding plate and ground glass screen holder, automatic exposure counter. Exposing aperture covered by simple shutter operated by table release. Soho repeating back 1902-1912
For 3 1/4 x 8" plates, three 3 x 2 1/2" exposures; seperation filters missing; focusing screen; double blockform darkslide. Sangar-Shepherd repeating back for colour photography