Column dial by Henry Robert
1831-1870
1831-1870
1860
1836
1889
1850-1856
1850-1859
1862
1884
1886
1845
1879
1851
1879
1876
1835-1870
1878
1850-1859
1853
1879
1882
1867-1868
1845
1849
1855
1845
1875
1837
1852
1834
1832
1865
1877
1858
1886
1834
1848
1870
1834-1844
1837
1838
1866-1870
circa 1854
1826
1850
1878
1825
circa 1854
1831
1870-1875
circa 1840