Two mahogany-body W. W. Rouch wet-collodion sensitising baths each with internal glass lining, brass screws and brass handle, one 9½ inches high, other 8 inches high, the former with label W. W. Rouch, Manufacturer, 180 Strand, London; a brass bound cemented double-element lens signed in pencil Th Boulé with swinging metal cover. (3)