8. Astra-Torres Deleted, May, 1916.
9. Rigid Deleted, June, 1918.
10. Astra-Torres Envelope used for C 1.
11. Forlanini Never delivered owing to war.
12. Forlanini Never delivered owing to war.
13. Forlanini Never delivered owing to war.
14. Rigid Never built.
15. Rigid Never built.
16. Astra-Torres See No. 8.
17. Beta Transferred from Army.
Deleted, May, 1916.
18. Gamma Deleted, May, 1916.
19. Delta Deleted, May, 1916.
20. Eta Transferred from the Army.
Fitted with car from No. 10.
Deleted May, 1916.
21. Epsilon Construction cancelled May, 1916.
22. Epsilon Construction cancelled May, 1916.
23. Rigid 23 Class.
24. Rigid 23 Class.
25. Rigid 23 Class.
26. Rigid 23 Class.
27. Rigid 23x Class.
28. Rigid 23x Class. Never completed.
29. Rigid 23x Class.
30. Rigid 23x Class. Never completed.
31. Rigid 31 Class.
32. Rigid 31 Class, building.
33. Rigid 33 Class.
34. Rigid 33 Class.