![](https://coimages.sciencemuseumgroup.org.uk/90/131/large_thumbnail_ds060908.jpg)
London & North Eastern Railway steam locomotive 'Mallard'
1938
1938
1938
1945
1946
1950-1951
1948
1946
1943
1948
1947
1940
1951
1945
1946
1949
1947
1940
1951
1939-1945
1944-1945
1946
1948
1940-1945
1940-1949
1939
circa 1950
1951
1951
1946-1948
1950
1940-1944
2000-100 BCE
1938 and 1951
1938
1938
1938
1938
1940
1942
1941-1950
1938-1940
1950
1938
1938
1950
1951
1951
1955; 1830
circa 1950
1950