A 19th-Century shagreen-covered one-draw monocular,
signed on the brass draw-tube Dollond London, with two numbered settings on the draw-tube, the objective with two numbered settings for switching the lens, the shagreen-covered body-tube with threaded lens cap -- 5in. (12.7cm.) long (open)
A 19th-Century shagreen-covered one-draw monocular,
signed on the brass draw-tube Dollond London, with two numbered settings on the draw-tube, the objective with two numbered settings for switching the lens, the shagreen-covered body-tube with threaded lens cap -- 5in. (12.7cm.) long (open)
