![](https://coimages.sciencemuseumgroup.org.uk/11/179/large_thumbnail_pic_1995_7852.jpg)
Prototype British Railways 'Merry-go-Round' hopper coal wagon, 1964
1964
1964
1964
1966-1970
1967
(1962); 1982
2000-100 BCE
1969
1965
1965-1968
1970
1970
1968
1965
1970
1969
1969
1968
1968
1965
1964
1965
1967
circa 1964
1965
1968
1964
1969
1969
circa 1965
1969
1965
1968
1968
1966
1965
1964-1966
1966-1970
1986 (replica); 1501-1600 (original)
1966
1965
1967
1969-1970
1964
1967
1970
1966
1903 (original); 1982 (model)
1969
1830 (original); 1967 (model)
1966