Year	Type	Nos.
1916	S Class	1 - 12, 1(C) - 12(C), S 154 - S 171
1917	T Class	13 - 18, 13(C) - 18(C), T 177 - T 182
1920	S1 Class	19(C) - 21(C), 23(P), 139, S1 166 - S1 171

No current known examples