of rootwood with round brass dial with enamelled numerals, signed Gribelin à Paris; gilt bronze mount and fittings and surmounted by statuette of trumpeting angel. Louis XVI era.
of tortoiseshell inlaid with brass; round copper dial with enamelled numerals surrounded by bronze bas-relief; surmounted by statuette allegorising science. Gilt bronze fittings; spherical feet. 19th century.
on plinth with red tortoiseshell and copper inlay; brass dial with enamelled numerals signed J. Gudin à Paris. Louis XV style, 19th century. H: 105 + 30 cm.