A "Butch" that had an accident when it fell off the track some years ago - it's inexperienced owner was somewhat shaken by the experience and never drove again, it been stored ever since (somewhere apparently frequented by cats, given the amount of fluff stuck to the oil underneath).
Silver soldered copper boiler, feed by axle pump and injector with auxiliary handpump in the side tank. The design is drawn up for a pair of axle pumps - one has been removed at some stage.
Outside cylinders with slide valves actuated by Walschaert's gear, with pole reverser in cab. Mechanical lubricator.