Twin cylinder mill engine

My favourite from a collection of stationary engines and locomotives which came in recently, a large twin cylinder mill engine, an older model with fine patina.

Beautifully made, with cylinders - fitted with neatly piped drain cocks - mounted on finely proportioned cast iron bed plates. The overhung cranks have split and cottered big ends, connecting rods are finely turned "fish belly" pattern.

Fitted with Watt type governor and mechanical lubricator.