A late 19th Century brass and steel single cylinder horizontal mill engine with cylinder 1in bore x 2½in stroke, cylindrical crosshead guide, shaped connecting rod and spoked flywheel, on metal bed and wood plinth -- 18¾in (47.5cm) long; and a single cylinder horizontal mill engine with cylinder 3/4in bore x 1¼in stroke with disc crank and disc flywheel, metal bed on five steel supports on wood mount -- 12in (30.5cm) wide, both unpainted (2)