Two-day marine chronometer by John Arnold and Son (No 63)
1771-1800
1771-1800
1750-1810
1690-1700.
circa 1600
1730-1748
1780-1850
1685-1695
1810-1840
hallmarked 1843
hallmarked 1860; 1850-1890
1930-1960
1800-1820
1740-1840
1715-1790
1720
1840-1900
1780-1880
1801-1920
hallmarked 1799
1801-1910
1875-1885
1865-1875
1795-1805
hallmarked 1823
1701-1751
1890
circa 1800
circa 1800
patented 1796
1833
1701-1800
hallmarked 1813