Signal Block Bell, South Eastern Railway
1862
1862
1876
1867-1868
1875
1865
1870
1866-1870
1870-1875
1872
1875
circa 1868
1872 (original); 1909 (model)
1955; 1830
1875
1872
1871
circa 1871
1869
1867
1867
1863-1865
1862
1865-1866
1934
1866
1867
1864
2000-100 BCE
1876
1865
1893-4
1863-7
1870s
1865
1875
1862
1705-1737
1872
1888
1876
1865
1930 (replica); 1834 (original)
1870-1875
1870
1870-1875
1868
1873
1772 (original); 1919 (model)
1801-1840 (original); 1901 (model)
1870