C.1870, English, unsigned, body, VG, finished in French polished burr walnut, focusing wheels to stereo lenses, optics, VG, mounted on a fold up board, internal side carousel rotated via turned wooden wheels to each side, mechanics, VG, top opens to reveal mirrored backs with a square top plate glass diffuser in a wooden frame, fold down door to rear with mirror to reverse and glass diffuser screen, with several glass stereo slides