J. stereoscope natural wood Estereovisor c.1862 EX Collection Abrings English, c.1862, plaque engraved and enameled on eye says: ~the Natural stereoscope, Patent, J Wood Huddersfield Birkby built burr walnut with all lacquered brass fittings, standing on a square base with carved legs , each topped with a flower bill, legs scroll highly carved hold an adjustable column brass in the center, the main viewer incorporates a number of features to adjust the light and focus, under the focus wheel is that acts on an internal cassette containing the slides, on the back light is adjusted by a color screen and one (missing screen) at the top, at front is a brass rod to adjust the interocular separation the eyepieces,
