Southern Locomotives Limited
From SVR Wiki
Southern Locomotives Limited (SLL) are owners of SRSouthern Railway BulleidOliver Vaughan Snell Bulleid, Chief Mechanical Engineer (CME) of the Southern Railway 1937-1948 Battle of Britain class locomotive 34053 Sir Keith Park.
The boiler which can be seen in Bridgnorth yard is from another of SLL's locomotives, 34010 Sidmouth.