LANGLOIS, PARIS: A SILVER ENGRAVED BUTTERFIELD TYPE POCKET COMPASS-SUNDIALEarly 18th Century signed ‘C. Langlois Paris au Niveau’ , engraved latitudes 52°, 49°, 46° and 43°, folding gnomon with bird shaped point and marked 40° - 60°, inset compass, the underside engraved with the latitudes for thirty-one cities and towns, 6.5cm x 6cmCondition Report: In good general condition, compass appears to be working. Minor surface scratches and tarnishing. Some slight glue residue around the edge of the glass.