Signal Block Bell, South Eastern Railway
1862
1862
1875
1898
1850
1850-1859
1850-1900
1878-1890
1878-1890
1878-1890
1895
1845
1895
1849
1855
1846-1859
1845
1842
1850
1858
1886
1848
1896
1854
1850-1900
1850-1900
1850-1900
1881
1850-1900
1878-1890
1878-1890
1870
circa 1885
1840s-1900
About 1890
1900
circa 1890
circa 1890
1850-1900
circa 1890
circa 1890
1889
circa 1900
1898
1899
1880-1900
1880-1900
1857
1840-1880
1842
1845