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Portion of the wheel of a 20 H.P. Thomson "Vortex" Water Turbine

1877

Model (scale 1:10) of overshot water-wheel with three part ventilated bucket

Model, scale 1:24

Model of Governor as applied to water-wheels

Model of Governor as applied to water-wheels

Silver print photograph of Floating Water Wheel for raising water on the Rhone near Geneva by Prof.D. Colladan, 1865

Silver print photograph of Floating Water Wheel for raising water on the Rhone near Geneva