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Improvement in Vibrating Propellers

Description: Patent for Improvement in vibrating propellers for steamers to improve the ability to control the vessel. Includes two illustrated and labeled figures.
Date: February 18, 1873
Creator: Macowitzky, Charles P.
Partner: UNT Libraries Government Documents Department

Improvement in Cultivators.

Description: Patent for improvements to a cultivator "which, for convenience of operation, may be attached to the wheels or frame of any ordinary wagon or cart, or it may be operated independently of either of the above by attaching the draft animals directly to the main or principal beam to which the plow-points are connected." (Lines 10-16) Includes instructions and illustrations.
Date: February 18, 1873
Creator: Hinckley, Jacob B.
Partner: UNT Libraries Government Documents Department

Improvement in Scew-Propellers.

Description: Patent for "means for guiding pivoted propeller-blades so that they can open and close readily and uniformly. It also consists in a new mode of applying a spring there-to so that the obliquity or resistance of the blades will be automatically graduated." (Lines 6-11) Includes instructions and illustrations.
Date: February 18, 1873
Creator: Wilson, Martin M.
Partner: UNT Libraries Government Documents Department

Improvement in Bale-Ties.

Description: Patent for fastening iron or other bands on cotton-bales or packages that put up with iron bands, including illustrations.
Date: February 18, 1873
Creator: Quin, Michael
Partner: UNT Libraries Government Documents Department
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