The LNER Encyclopedia

The rather old news that Flying Scotsman is due to visit Scunthorpe Steel Works in the near future reminded me of the small steam loco 'collection' that resides at the steel works. I seem to remember that there was another LNER loco that visited the works in preservation many years ago. It was from one of the companies that formed the LNER but I simply cannot remember what it was. Can anyone help in this matter?