Wolff, Alfred R · New York, J. Wiley & sons · leaf 121
shown in Fig.28 is lifted. Its lowering when the wind decreases, againbrings the wheel into the direction of the wind. Thiswindmill is well constructed, and is therefore a goodmachine of the type it represents. The Stover Wi7tdinilL The Stover Windmill, manufactured by the FreeportMachine Company… … i lO. 25.
Windmills
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