An extremely fine and detailed 1:8 scale scratch-built working model of a 1904 Mercedes Simplex Tourer, by Dr Hubert Hadethauer, 1993, one of a limited edition of 25 constructed by the renowned model-maker from in excess of 3,500 precision scratch-engineered brass, steel and copper parts, featuring moulded steel frame, coachwork and mudguards, brass axles fitted with wooden spoked wheels with rubber tyres, and with tempered leaf-sprung suspension, the hinged bonnet opening to reveal fully replicated cast iron, steel, brass and copper engine, cylinder block and manifold, with functioning sealed camshaft, pistons, valves and resistant clutch, all operated by a mains-powered 15V electric motor and reported as being capable of producing a speed of 10-15mph, the fully detailed driver's compartment complete with hand-stitched leather seats, working geared steering column with wooden steering wheel, and functioning clutch, forward and reverse gears in brass with sealed bearings, hand-brake and accelerator pedal, the whole finished in cream livery in three coats over primer, and with opening doors, collapsible leather roof, and illuminating brass head and sidelamps, the model measuring approximately 54cm long overall, raised on a mirrored base within a wood and glazed display case.