Possibly German, c.1770, unsigned, constructed of polished vernier over an oak body, pullout focusing pasteboard tube with lens in a turned fruitwood mount with a screw-on cap, with an internal mirror at 45 deg and a ground glass screen., length 19.5cm
Sold for £2,375
Result plus buyers premium
Possibly German, c.1770, unsigned, constructed of polished vernier over an oak body, pullout focusing pasteboard tube with lens in a turned fruitwood mount with a screw-on cap, with an internal mirror at 45 deg and a ground glass screen., length 19.5cm
Auction: Fine Scientific and Medical Instruments, 12th May, 2022