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Improvement in Car-Couplings

Description: Patent for car coupling device that attaches cars automatically when moved together while also detaching if one or more cars come off the tracks.
Date: May 22, 1877
Creator: Dobbs, Charles & Robinson, Samuel L.
Partner: UNT Libraries Government Documents Department

Improvement in Gang-Plows.

Description: Patent for "an improved gang-plow, which shall be so constructed that it may be readily adjusted to cause the plows to take or leave land, and which will enable the wheels to be adjusted closer to or farther from the plows, as may be desired." (Lines 12-17) Includes instructions and illustrations.
Date: February 20, 1877
Creator: Cummins, John R.
Partner: UNT Libraries Government Documents Department

Improvement in Hame Fasteners

Description: Patent for a new and useful improvement in hame-fasteners. "This fastening can be readily fastened and unfastened without taking off the gloves, and with cold and benumbed fingers, and when fastened will hold the hames securely" (lines 35-38). Including instructions and illustrations.
Date: April 6, 1877
Creator: Poland, Tunis H.
Partner: UNT Libraries Government Documents Department

Improvement in Riding-Plows.

Description: Patent for "an improved riding or sulky plow which shall be so constructed that the plow may be readily lowered into, raised from, and adjusted to run at any desired depth in the ground, and which may be adjusted to take or leave land, and to hold the carriage level when both wheels are running upon unplowed land, and when one wheel is running in a furrow." (Lines 14-22) Includes instructions and illustrations.
Date: July 17, 1877
Creator: Florance, James L.
Partner: UNT Libraries Government Documents Department

Improvement in Sulky-Plows

Description: Patent for sulky plow improvements plow beams, pivot studs, and plow frame.
Date: June 5, 1877
Creator: Fowler, Albert A.
Partner: UNT Libraries Government Documents Department
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