拍品专文
The unit would appear to be for copying stereo pairs from single plates and vice versa
细节
Wet-collodion double copying camera
whole-plate, with two camera sections, each with brass binding, ground- glass focusing screen masked for stereoscopic use in wood frame and single plate holder; the central section with black square-cut bellows, the base with dual rack and pinion focusing, removable mahogany 6½ x 3 inch plate-holding section with internal flap shutter and black bellows; a mahogany 3½ x 3½ inch plate holding section with repeating back and black bellows
whole-plate, with two camera sections, each with brass binding, ground- glass focusing screen masked for stereoscopic use in wood frame and single plate holder; the central section with black square-cut bellows, the base with dual rack and pinion focusing, removable mahogany 6½ x 3 inch plate-holding section with internal flap shutter and black bellows; a mahogany 3½ x 3½ inch plate holding section with repeating back and black bellows
来源
Wilkinson and Son, photographers of Holmside, Sunderland