Patent for a "self-regulating windmill, so arranged that it will automatically exclude the wind from the wheel during storms and irregular or sudden squalls of wind, while it will equally enlarge the opening through which the wind is admitted to the wheel, whenever the power of the wind is reduced." (Lines 14-20) Includes instructions and illustrations.
Patent for "new and useful improvements in potato-diggers, designed to cut away the vines and to throw them out of the way of the plow-points." (lines 5-10) including instructions and illustrations.
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