here are some numbers for you
Freights to the north you can run 9fs, crabs, un rebuilt pats and a 7f 48927 (15 1 56) and 49320 (29 1 56) In April 59 WR 2-6-0 5393 was based at Bath for a few days and worked to Westerleigh. 90340 arrived on 11 6 55 followed by 90149 on 12 1 56..
48543 and 53804 arrived on an evening freight from Bristol on 29 6 56. 92077 worked the 9.15pm to Lawley St on 24 5 58
Local services to Bristol TM and St Phillips, locos include Stanier 2P 0-4-4, 3P 2-6-2 eg 40174 on 19 9 53. Jinty 47275 arrived with the 11.49 from Bristol on 25 4 55. 40698 worked the 7.00 Bristol TM to Bath. 44878 piloted 46494 on the 3 coach 8.10 from TM 5 6 54. on 23 6 56 76028 took the 7.01 to TM.
GW railcars were rostered in 1954 arriving at 8.20am and departing 10.01, returning to arrive at 5.43 and departing at 6.18 (that dates my negs you have seen)
TM to BW services
Ivatt 2-6-0 and 2-6-2T, Stanier 3P eg 40116. 73051 worked into Bath from TM on the 7.03 (Tender first) Pat 45509 arrived on 15 7 55 worked into Bath at 4.21pm
Examples of B1s were 61164 on 9.08 from Brum in June 59 and 61167 took the BW to Sheffield 11.12 am northbound
On the Pines you can have 61152 arriving with the southbound in May 60 returning N with the 10.15 perishables and later the same month 60127 which arrived with the southbound and worked back the northbound the next day.
46100 worked north with the Pines on 10 6 61
These are all taken from the Modellers and enthusiasts guide to the S&D. If its of interest I can post some more of the locos which worked on trains on the section?
Kind regards
Duncan