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Improvement in Wood Pavements.

Description: Patent for a new and improved construction of Bois D'Arc Pavement, which uses two layers of planks that cross at right angle as a base, sand to hold bois d'arc blocks in place and fill gaps in between, and coal-tar covering planks to prevent sand from shifting. It includes illustrations.
Date: January 14, 1879
Creator: Shellenberger, Samuel Luther
Partner: UNT Libraries Government Documents Department

Improvement in Earth-Boring Machines.

Description: Patent for improvements in earth-boring machines with new design and connections, including illustrations.
Date: January 1, 1878
Creator: Yarborough, William H.
Partner: UNT Libraries Government Documents Department

Improvement in Churns

Description: Patent for a geared mechanism to attach to existing churns to aid in the production of cream into butter. Illustrations include front and side elevations.
Date: January 23, 1877
Creator: Gray, Whitley F.
Partner: UNT Libraries Government Documents Department

Improvement in Churns.

Description: Patent for improvements in churns with specific improvements in dasher-rods and lids. This patent includes illustrations.
Date: January 1, 1878
Creator: Davis, Henry T.
Partner: UNT Libraries Government Documents Department

Improvement in Churns.

Description: Patent for the improved design of churns "in which the dasher-shaft is vertical and receives rotation by gearing at the top of the churn" (2nd para.), including illustrations.
Date: January 25, 1876
Creator: Davis, Henry T.
Partner: UNT Libraries Government Documents Department

Improvement in Rerigerator-Cars.

Description: Patent for "improvements in refrigerator-cars for preserving fresh meats, vegetables, and other perishable articles while transporting them over great distance; and it consists of an ice-receptacle at the top of the car, provided with flat top and carved or inclined bottom." (Lines 13-19) Includes instructions and illustrations.
Date: January 18, 1876
Creator: Zimmerman, Arnold W.
Partner: UNT Libraries Government Documents Department

Improvement in Quilting-Frames

Description: Patent for an improved quilting frame that is designed around a folding trestle-frame and two parallel rollers on which a quilt can be rolled, leaving the material between the rollers to be quilted/worked on. Illustration includes a perspective and detail view of the frame.
Date: January 16, 1877
Creator: Davis, Henry T.
Partner: UNT Libraries Government Documents Department
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