UNT Libraries Government Documents Department - 6 Matching Results

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Attachment for Plows.

Description: Patent for an attachment for plows, which "may be utilized as a cutter or the plow converted into a double-shovel plow," (lines 18-19) with instructions and illustrations.
Date: December 22, 1891
Creator: Williams, George M. D.
Item Type: Refine your search to only Patent

Dallas Sheet

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date: 1891
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 32.75 -96.75

Grain-Scale.

Description: Patent for “improvements in grain-scales, especially adapted for location at the rear end of a trashing-machine and for receiving therefrom the thrashed grain, weighing and subsequently bagging the same in predetermined quantities” (lines 7-12), includes illustration.
Date: March 17, 1891
Creator: Butts, Alexander W.
Item Type: Refine your search to only Patent

Plow.

Description: Patent for an improvement in plows by using a series of spring-tines that are secured above the mold-board, when in operation these independently-moving tines “serve to jar and break the clods, thus not only pulverizing the clods to a certain degree but also insuring the freeing of the tines of all dirt” (lines 90-93), including illustration.
Date: March 3, 1891
Creator: Ball, Alfred Fine
Item Type: Refine your search to only Patent

Wooden Bridge

Description: Patent for a wooden bridge with a focus on increased durability of the structure and effective drainage for moisture from the timbers and for the free circulation of air between, around, or through the structure.
Date: October 6, 1891
Creator: Ferguson, Benjamin F.
Item Type: Refine your search to only Patent
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