Perpetual motion: Grinding mill driven by horizontal

Perpetual motion: Grinding mill driven by horizontal water wheel, which is itself driven by water from a cistern. The wheel is supposed also to raise water to the cistern by an Archimedean screw. The wheel, C, has curved blades, an early form of water turbine. Engraving from Theatrum Machinarum Novum by George Andreas Bockler (Nuremberg, 1673)

1673 Andreas Archimedean Bockler Cistern Curved Driven Grinding Hydraulics Hydro-dynamics Itself Machinarum Novum Perpetual Raise Screw Supposed Theatrum Turbine

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