A finely engineered model Stuart S.50 single cylinder horizontal mill engine with blued steel clad cylinder 5/8in bore x 1¼in stroke, counter-balanced crankshaft and spoked flywheel. Finished in green with red lining and polished brightwork, cast bed and wood plinth -- 9¾in (24.8cm) long; and a Stuart single cylinder four pillar table engine, unpainted -- 14½in (36.8cm) (2)