Four Stroke Petrol Engine Model

we are offering Four Stroke Petrol Engine Model air cooled, four stroke, with operation of valves clearly shown. Mounted on a polished wooden base with schematic diagram, overall height 450 mm approx ring and ball apparatus bar & gauge expansion apparatus compound bar expansion of liquid appartus hope's appartus calorimeter set calorimeter joule's steam boiler thermal conductivity of metals apparatus ingenhousz's apparatus convection of heat in air apparatus crooke's radiomater switch unit fly wheel friction calorimeter 4 stroke petrol engine 4 stroke diesel engine model of steam engine mirror, plane