Stereo viewers various makers (various)

German made folding wood stereo viewer with indistinct transfer printed label, c.1890; Holmes pattern stereo viewer in maker's box with 23 colour stereocards, circa 1915; two Mignon stereo viewers, in maker's boxes; card viewer; Minette metal stereo viewer; four printed tin confectionary viewers for Suchard Chocolates in maker's box, Imperial, De Gulden Brie and one unsigned; six folding metal viewers with cards; a small wooden Graphoscope, 47x107mm leather covered viewer in half box; Kriegs Diorama 1914/15 with nine glass positive views, (20)