"Brass And Shagreen Spyglass Signed George Opticien Quay De Conty In Paris Circa 1760-1780"
Brass Two-Lens Spyglass with Shagreen Cover Signed George Opticien of the Academy of Sciences, Quay de Conty in Paris circa 1760-1780 This spyglass has two objective lenses giving different power magnifications. The tube is marked "1" and "2" depending on the lens used. Note that one of these two lenses is split Closed length: 12cm Diameter: 4.3cm Visit our personal website: https://www.temps-dantan.fr/ to discover many other objects