Signal Block Bell, South Eastern Railway
1862
1862
1875
1850
1850-1859
1860
1835-1870
1878-1890
1878-1890
1878-1890
1845
1849
1855
1846-1859
1845
1875
1842
1884
1850
1832
1865
1858
1886
1834
1834
1848
1854
1881
1878-1890
1878-1890
1870
1821-1850
circa 1885
About 1890
circa 1861
1872-1880
1850-1870
1934
1848-1852
1858
1878
1879
circa 1890
circa 1890
circa 1890
circa 1890
1889
1831-1870
1833
1831-1870
1860