class        firebox cylinder size  valves   valve gear            number built years built
0    e2  radial - stay     20 ½ x 26   slide   stephenson                      88   1901 - 02
1   e2a       belpaire     20 ½ x 26   slide   stephenson                      93   1902 - 05
2   e2b       belpaire     20 ½ x 26  piston   stephenson                      70   1903 - 04
3   e2c       belpaire     20 ½ x 26   slide   stephenson                      22        1903
4   e2d       belpaire     20 ½ x 26  piston  walschaerts                      32   1906 - 08
5    e3  radial - stay       22 x 26   slide   stephenson                       8   1901 - 02
6   e3a       belpaire       22 x 26   slide   stephenson                     114   1903 - 05
7   e3d       belpaire       22 x 26  piston  walschaerts                      56   1906 - 10
8   e7s       belpaire     22 ½ x 26  piston   stephenson  90 conv fr e2a , b , c   1916 - 20

Table as JSON:
{"class":{"0":"e2","1":"e2a","2":"e2b","3":"e2c","4":"e2d","5":"e3","6":"e3a","7":"e3d","8":"e7s"},"firebox":{"0":"radial - stay","1":"belpaire","2":"belpaire","3":"belpaire","4":"belpaire","5":"radial - stay","6":"belpaire","7":"belpaire","8":"belpaire"},"cylinder size":{"0":"20 ½ x 26","1":"20 ½ x 26","2":"20 ½ x 26","3":"20 ½ x 26","4":"20 ½ x 26","5":"22 x 26","6":"22 x 26","7":"22 x 26","8":"22 ½ x 26"},"valves":{"0":"slide","1":"slide","2":"piston","3":"slide","4":"piston","5":"slide","6":"slide","7":"piston","8":"piston"},"valve gear":{"0":"stephenson","1":"stephenson","2":"stephenson","3":"stephenson","4":"walschaerts","5":"stephenson","6":"stephenson","7":"walschaerts","8":"stephenson"},"number built":{"0":"88","1":"93","2":"70","3":"22","4":"32","5":"8","6":"114","7":"56","8":"90 conv fr e2a , b , c"},"years built":{"0":"1901 - 02","1":"1902 - 05","2":"1903 - 04","3":"1903","4":"1906 - 08","5":"1901 - 02","6":"1903 - 05","7":"1906 - 10","8":"1916 - 20"}}