![](https://coimages.sciencemuseumgroup.org.uk/718/727/large_thumbnail_1954_0458__0002_.jpg)
Spring-driven Bracket Clock by Isaac Thuret
1665-1670
1665-1670
1671-1700
1701-1800
hallmarked 1897
1671-1700
circa 1600
1690-1700.
1795-1805
1715-1790
1875-1885
1935-1958 (reproduction); 1055-1064 CE (original)
1730-1748
hallmarked 1823
hallmarked 1824
1531-1570
hallmarked 1830
1840-1900
1580
1701-1800
1685-1695
1810-1840
1625-1635
1601-1700
1550-1570
1701-1800
1750-1810
hallmarked 1833
hallmarked 1843
hallmarked 1823
1701-1751
1771-1800
hallmarked 1860; 1850-1890
1671-1730
hallmarked 1813
1833
1701-1800
circa 1800
patented 1796