1960\'s Hema Model of Engine Cross-Section Cutaway Education Model For Sale

1960\'sHEMAmodel of Engine Cross-section Education School ModelDescription: This model, on a metal base, is made of cast aluminium, steel and plastic parts.Hand powered through a heavy flywheel.Visible operation of crankshaft, connecting rod, piston, valves, etc.During the combustion stroke, in which the valves are closed and the piston goes up, above the piston a light is turned on, which mimics the explosion. This light is powered by batteries in the wooden base.NEW packed battery is added to the model.Dimensions: 39cm H x 34cm (15.5\" x 9\")Weight: 2.4kgCONDITION: Very good condition for its age - all pars works perfectly. Please see pictures, which are part of description.