Signal Block Bell, South Eastern Railway
1862
1862
1875
1860
1855
1875
1884
1865
1858
1886
1854
1881
1870
circa 1885
circa 1861
1872-1880
1934
1858
1878
1879
1889
1860
1867
1867
circa 1861
1854
1857
1857-1858
1858
1851
1865
1857-1858
1858-03-02
1865-1866
1879
1857-1858
1876
1866
1853
1865
1882
1875
1852
1858
circa 1868
1884
1879
1851
1888
1955; 1830
1869