Cooke's train signalling instrument of 1845, Norfolk Railway
1845
1845
1845
1842
1842
1845
1841
1955; 1830
2000-100 BCE
1893-4
1846
1934
1846
1841
1863-7
1844
1844
1843
1772 (original); 1919 (model)
1846
1842
1930 (replica); 1834 (original)
1986 (replica); 1501-1600 (original)
1841
1846
1990-96
1845
1801-1840 (original); 1901 (model)
4000-2001 BCE
circa 1846
1844
1705-1737
1870-1877
1934
1844
1842
1830 (original); 1967 (model)
1775-1799 (original); 1900-1907 (model)
circa 1842
1888-185
1843
1841
1841
1871-1830
1843
1846
1844
1843
1841
1843
1844