A well engineered early 20th Century model Stuart single cylinder horizontal mill engine with mahogany lagged brass bound cylinder 1½in bore x 1 3/8in stroke, valve chest lubricator cock, slipper type crosshead guide, barrelled connecting rod with strapped and bolted big end and spoked flywheel. Cast bed with brass plate engraved '1917 Nondescript', mahogany plinth -- 14in (35.5cm) long; and a model Stuart 5A single cylinder vertical stationary engine --15in (38cm) high. (2)