4 Matching Results

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Improvement in Windmills. (open access)

Improvement in Windmills.

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
System: The Portal to Texas History
Improvement in Machines for Building Earth-Works. (open access)

Improvement in Machines for Building Earth-Works.

Patent for frame-mounted grading machine mounted on casters or wheels with hinged platform.
Date: December 2, 1873
Creator: Morey, Harvey.
System: The Portal to Texas History
Improvement in Cotton-Bale Ties. (open access)

Improvement in Cotton-Bale Ties.

Patent for a new and valuable improvement in Cotton-Bale Tie, including instructions and illustrations.
Date: September 2, 1873
Creator: Starr, Henry D.
System: The Portal to Texas History
Improvement in Adjustable Hats. (open access)

Improvement in Adjustable Hats.

Patent for a mechanism improving the ability to adjust the shape of a hat to fit different sized heads. The patent is for an "adjustable attachment for enlarging and contracting" the hat's design.
Date: August 30, 1873
Creator: Cassiano, Ygnacio I.
System: The Portal to Texas History