Longcase astronomical regulator
Ferdinand Berthoud · ca. 1768–70

Case: oak veneered with ebony and brass, with gilt-bronze mounts; Dial: white enamel; Movement: gilded brass and steel
Ferdinand Berthoud · ca. 1768–70

Case: oak veneered with ebony and brass, with gilt-bronze mounts; Dial: white enamel; Movement: gilded brass and steel