12. A PATENT AUTOMATIC “CONSTANT LEVEL” INKWELL
German, 1878-1891 moulded glass with inkstand patent no4699 - automatic constant level and made in saxony the screw-in bulb-shaped reservoir and shaped well with metal cover, 3¾ in (9.5 cm) high, excellent, unusual.
est. £70 – £100
Together with a copy of the German Patent granted to Heinrich Gebhardt of Nurenburg, 17th August, 1878.