British Naval “Long Glass” Telescope with Dodecagonal Mahogany Tube, circa 1770 Consign Now DeptDecorative Arts, Maritime ArtsSizeLength 51.25 in. British Naval “Long Glass” Telescope with Dodecagonal (12 Sided) Mahogany Tube, circa 1770, attributed to Ayscough; the aperture is 5/8 inch, 3-lens eyepiece, sliding shutter cap for object glass and eyepiece Length 51.25 in. Please note that this auction has ended. Click here for an overview of this auction.