Orenstein & Koppel loco from a Polly Locomotive ‘Suzanne' kit completed in 2019, and exhibited at  London Model Engineering Exhibition. A weir pump has been added with associated  new steam outlet. A chime whistle has also been included in the cab, and extra strengthening has been added to the rear drag bar. Paul also fitted a larger steam oil lubricator, and hinges to the water tank fillers.