UNT Libraries Government Documents Department - 5 Matching Results

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Plow.

Description: Patent for a new and improved plow. This design consists in "[t]he combination, with the plow-beam, the slotted and braced standard, and the adjustable land-bar, of the winged attachment formed with perforated lugs, the plow-point formed with upper and lower extensions and secured to said attachment" (lines 95-100).
Date: August 21, 1888
Creator: Wied, August & Lürssen, Henrich
Item Type: Refine your search to only Patent

Poison-Distributor

Description: Patent for a device which destroys cotton worms "in which the cylinders [holding the poison] are adapted to be both vertically and laterally adjustable with respect to the height of the cotton and width of the rows" (lines 18-21).
Date: August 19, 1890
Creator: Pressly, Thompson
Item Type: Refine your search to only Patent

Water-Level.

Description: Patent for an instrument to determine a level at widely distant points or determining inclinations and which may be correctly read under conditions where a level cannot be held erect. Also known as hydrostatic leveling, this instrument is comprised of flexibly connected liquid containers that are spaced apart at certain distances.
Date: August 17, 1920
Creator: Kaspar, John & Beran, Rud F.
Item Type: Refine your search to only Patent
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