lot no  diagram        built    builder fleet numbers
0   30485       97  1957 - 1958       york   1801 - 1812
1   30507       98         1960  wolverton   1838 - 1852
2   30520       99         1960  wolverton   1813 - 1837
3   30670       99  1961 - 1962  wolverton   1853 - 1864
4   30702       99         1962  wolverton   1865 - 1882

Table as JSON:
{"lot no":{"0":30485,"1":30507,"2":30520,"3":30670,"4":30702},"diagram":{"0":97,"1":98,"2":99,"3":99,"4":99},"built":{"0":"1957 - 1958","1":"1960","2":"1960","3":"1961 - 1962","4":"1962"},"builder":{"0":"york","1":"wolverton","2":"wolverton","3":"wolverton","4":"wolverton"},"fleet numbers":{"0":"1801 - 1812","1":"1838 - 1852","2":"1813 - 1837","3":"1853 - 1864","4":"1865 - 1882"}}