Geneva, May 08, 2022
Grading System | |
---|---|
Grade: AAA |
Excellent |
Case: 3-6-32 |
Good Slightly oxidized Slightly restored |
Movement: 3* |
Good Overhaul recommended, at buyer's expense |
Brand Frères Rochat, Switzerland
Year Circa 1850
Caliber rectangular brass, fusee and chain, eight cams and a whistle with sliding piston for the song?s modulation. The cams rotate four times per song and lift one step every rotation, allowing a long duration of singing. Cam-controlled raising of the bird medallion and the bird, with five-wheel train finished by a pinion in eccentric bushing to regulate the speed of the opening and closing. The complicated mechanism allows for precision control of the raising of the bird and medallion, and its speed.
Dimensions 95 X 60 mm.
Signature Movement