Two-stroke diesel engine model, shows the internal structure and operating principles of an air cooled two-stroke engine. All parts are aluminum and plastic, Mounted on a base.
Hero'S Engine - Eolipile, Functional Glass Model, Comprising A Borosilicate Glass Bulb 70 mm Diameter Approx, With Side Arms Bent At Right Angles. Complete On Stand But Without Burner, A Functional Glass Model Of The Earliest Form Of Steam Turbine