Feathered Paddle-wheel

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“Elijah Galloway patented, in 1829, the Feathered Paddle-wheel, in which the floats are mounted on axes, and are connected by rods with a common center, which is made to revolve eccentrically to the axis of the paddle-wheel. By this method, the floats are kept, while immersed, at right angles to the surface of the water. So long as the water is smooth, and the immersion constant, the gain is great.” — Chambers, 1881


William & Robert Chambers Encyclopaedia - A Dictionary of Universal Knowledge for the People (Philadelphia, PA: J. B. Lippincott & Co., 1881)


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