'Warflat' 50-ton bogie flat wagon, 1940
1940
1940
1936
1937
1940
1839 (original); circa 1988 (replica)
1936
1937
1936
1940
1936
1937
1936
1937-1938
1936
1938
1938 and 1951
1938
1937
2000-100 BCE
1938-1940
1940
4000-2001 BCE
1937
circa 1940
1941
1938-1939
1938
1940
1938
1937-1938
1938
1936
1937-1937
1937-1938
1936-1939
1939
1938
1938
1938
1938
1937-1938
1937
1939
1936
1938; (1838)
1937
1937
1938
1938
1939