A bit later in date, but taken From the 1976 RCTS coaching stock book.
GriddleCar (7), RE
Int. 1960. Seats 12 Buffet, 14 Bar. (1103-5 have 4more, 1106 has 6 less).
VB. SH. Bogies 1100-2 CW, 1103-5 B5, 1106 B4/5. LGC. 38-40T
Sc1100, Sc1101, E1102, Sc1103, Sc1104, Sc1105, E1106
1102 has AB, EH and PA. 1106 has DH,PHV.
Nice thread by the way Chard, lets hope it takes off. Who can resist a bit of Scottish Sulzer