An Adam's New Patent Portable Telescope c.1800

A 9-drawer portable telescope of mahogany and brass construction, optics in good/very good condition, some minor tarnishing to the varnish of wood covering in one area, 109cm fully extended, 17.3 cm retracted, front objective 5cm, with sliding eyepiece lens cap, signed ‘Adams’s New Patent Portable Telescope No. 60 Fleet St., London'