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Improvement in Windmills.

Description: 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.
Date: December 2, 1873
Creator: Davie, John P. & Morgan, Asa
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Rotary Dredgers.

Description: Patent for an improved rotary dredging-machine operated by adjustment from the engine through gearing enabling the manipulation of "a heavier wheel than would otherwise be practicable" (lines 71-72) with illustrations.
Date: December 21, 1875
Creator: Hawley, Abel
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Locomotive Earth-Excavators.

Description: Patent for "an earth-excavator, principally for use in making the road-beds for railroads, which shall not only do its work continuously, but which shall be equally efficient in throwing up an embankment or in making a deep cut." (Lines 8-12) Includes instructions and illustrations.
Date: December 28, 1875
Creator: Hawley, Abel
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Bale-Band Stretchers

Description: Patent for improvement of bale-band stretcher design "for the purpose of taking out the slack of the band that cannot be taken out by hand." (lines 18-20). Included illustration shows bale-stretcher in both open and closed positions.
Date: December 12, 1876
Creator: Pearre, Charles M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Manufacturing Anti-Corrosive Compounds.

Description: Patent for "an anti-corrosive coating for iron and all other metals, and one which in all respects does positively preserve the same, and into the composition of which enters as an element neither lead, oil, nor any other ingredient that contains any destructive or otherwise deleterious acid or alkali." (Lines 7-13) Includes instructions.
Date: December 22, 1874
Creator: Lee, Archibald K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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