class                         number (s)  quantity year (s) of manufacture       type
0          d i                              names        15             1871 - 1875      b n2t
1   d ii (old)                              names         4                    1873      b n2t
2         d ii                        2400 - 2472        73             1898 - 1904      c n2t
3        d iii                              names         6                    1873      b n2t
4         d iv                names , 1701 - 1737       132             1875 - 1897      b n2t
5          d v                              names        10             1877 - 1878      c n2t
6         d ix  names , 1931 - 1960 , 2101 - 2115        55             1888 - 1899     1b n2t
7        d xii                        2201 - 2296        96             1897 - 1904  1′b2′ n2t
8     pt 2 / 3                        6001 - 6097        97             1909 - 1916     1b h2t
9   pt 2 / 4 n                        6501 - 6502         2                    1909    2′b n2t
10  pt 2 / 4 h                        5001 - 5012        12             1906 - 1909  1′b1′ h2t
11  pt 2 / 5 n                        5202 - 5210         9                    1907  1′b2′ n2t
12  pt 2 / 5 h                               5201         1                    1906  1′b2′ h2t
13    pt 3 / 6                        6101 - 6110        10                    1923  1′c2′ h2t
14  gt 2x4 / 4                        5751 - 5765        15             1913 - 1914   d′d h4vt
15  gt 2x4 / 4                        5766 - 5775        10             1922 - 1923   d′d h4vt
16     r 3 / 3                        2473 - 2490        18             1906 - 1913      c n2t
17     r 3 / 3                        4701 - 4790        90             1921 - 1922      c n2t
18     r 4 / 4                        4151 - 4183        33             1918 - 1919      d n2t
19     r 4 / 4                        4184 - 4192         9             1924 - 1925      d n2t

Table as JSON:
{"class":{"0":"d i","1":"d ii (old)","2":"d ii","3":"d iii","4":"d iv","5":"d v","6":"d ix","7":"d xii","8":"pt 2 \/ 3","9":"pt 2 \/ 4 n","10":"pt 2 \/ 4 h","11":"pt 2 \/ 5 n","12":"pt 2 \/ 5 h","13":"pt 3 \/ 6","14":"gt 2x4 \/ 4","15":"gt 2x4 \/ 4","16":"r 3 \/ 3","17":"r 3 \/ 3","18":"r 4 \/ 4","19":"r 4 \/ 4"},"number (s)":{"0":"names","1":"names","2":"2400 - 2472","3":"names","4":"names , 1701 - 1737","5":"names","6":"names , 1931 - 1960 , 2101 - 2115","7":"2201 - 2296","8":"6001 - 6097","9":"6501 - 6502","10":"5001 - 5012","11":"5202 - 5210","12":"5201","13":"6101 - 6110","14":"5751 - 5765","15":"5766 - 5775","16":"2473 - 2490","17":"4701 - 4790","18":"4151 - 4183","19":"4184 - 4192"},"quantity":{"0":15,"1":4,"2":73,"3":6,"4":132,"5":10,"6":55,"7":96,"8":97,"9":2,"10":12,"11":9,"12":1,"13":10,"14":15,"15":10,"16":18,"17":90,"18":33,"19":9},"year (s) of manufacture":{"0":"1871 - 1875","1":"1873","2":"1898 - 1904","3":"1873","4":"1875 - 1897","5":"1877 - 1878","6":"1888 - 1899","7":"1897 - 1904","8":"1909 - 1916","9":"1909","10":"1906 - 1909","11":"1907","12":"1906","13":"1923","14":"1913 - 1914","15":"1922 - 1923","16":"1906 - 1913","17":"1921 - 1922","18":"1918 - 1919","19":"1924 - 1925"},"type":{"0":"b n2t","1":"b n2t","2":"c n2t","3":"b n2t","4":"b n2t","5":"c n2t","6":"1b n2t","7":"1′b2′ n2t","8":"1b h2t","9":"2′b n2t","10":"1′b1′ h2t","11":"1′b2′ n2t","12":"1′b2′ h2t","13":"1′c2′ h2t","14":"d′d h4vt","15":"d′d h4vt","16":"c n2t","17":"c n2t","18":"d n2t","19":"d n2t"}}