An unusual and well engineered model spirit-fired Stirling Cycle engine,

細節
An unusual and well engineered model spirit-fired Stirling Cycle engine,
built by R. Ainsworth, with water cooled power cylinder approx. 1½in. bore, sprung loaded against a cam fixed to the overmounted crankshaft and spoked flywheel, finished in green, black and polished brightwork, burner -- 19 x 12in. (48.2 x 30.5cm.). Wood base

See Illustration