UNT Libraries Government Documents Department - 7 Matching Results

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Improvement in Plows.

Description: Patent for improvement in plows: "The invention consists in so attaching a revolving disk, cutter, or colter to the beam of the plow that it will rotate on its own axis, and vibrate laterally, to accommodate itself to the line of draft or direction of the beam of the plow; also, in the means used by which the revolving cutter or colter is attached to the beam of the plow, and having the means of swiveling or turning in the beam to accommodate itself to the line of draft of the plow" (lines 22-3… more
Date: December 28, 1869
Creator: Hall, Thomas J.

Improvement in Seed-Planters.

Description: Patent for an improved seed-planter "which will deposit the seeds in the requisite quantities and proper distances apart, and which will cover and mark the bills, so that a plowman will not be at a loss where to start at the commencement of a new row, and after having passed around tree-stumps or other obstructions, as he can always see the marks on the preceding rows" (lines 16-23) with illustrations.
Date: December 21, 1869
Creator: Woods, David C.

Improvement in Tanning.

Description: Patent for improvements in tanning materials: "extractive matter for the manufacture of leather from the wood and bark of the mesquit - a tree of extensive growth on the prairies of western and north western Texas" (lines 9-13).
Date: December 5, 1865
Creator: Park, John E.
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