The roll contains c 20 acetate and waxed linen drawings by British Railways Carriage & Wagon Drawing Office, Eastleigh and British Railways Locomotvie Drawings Offices in Brighton and Doncaster of cab, bogie, and roof arrangements, and other mechanical details. Drawing numbers SC/ES; SL/BR; E.16578; KAC/L; R.C.H.; SC.DN; SL/DE; SL/DN.