UNT Libraries Government Documents Department - 960 Matching Results

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Padlock.

Description: Patent for a padlock which "has for its object to provide a lock which cannot be picked and which shall be strong and simple in construction." (lines 9-11) including instructions and illustrations.
Date: September 19, 1905
Creator: Rembert, Willie E.

Padlock.

Description: Patent for a new and improved lock. This design is "to provide a padlock having a two-part locking-bolt, each member thereof having separate and independent action and being operated by different means, each unlocking device being guided by a scale . . . [Also,] to so construct and organize the parts of a key padlock that the combination upon which it is operated may be readily and quickly changed, and to provide the key with a simple movable index which may be shifted to . . . indicate the pro… more
Date: August 27, 1889
Creator: Richards, Augustus, Sr.

Plantersville Quadrangle

Description: Satellite image 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 1:24,000
Date: 2010
Creator: Geological Survey (U.S.)
Location: 30.31 -95.81

Plow Cleaning Attachment.

Description: Patent for a new and improved plow cleaner. This design consists in "[t]he combination, with the mold-board of a plow, having parallel longitudinal slots . . . of upper and lower rollers, belts passing around the same beneath the mold-board, scrapers connected to said belts in line with the slots and adapted to pass over said mold-board, and means for rotating said belts" (lines 93-99).
Date: May 6, 1890
Creator: Dyer, Charles Valentine.

Plow Mold Board.

Description: Patent for a new and improved plow mold board. This design "consists of a circular roll arranged in the mold-board near the point and covered with belting, which, in the forward movement of the plow, is revolved and carries the earth backward on an endless belt passing around rollers journaled in the end of transverse slots made in the mold-board, whereby, in the forward movement of the plow, the belt is revolved and the friction of the earth on the mold-board decreased and the plow scoured" (l… more
Date: August 22, 1882
Creator: Dahlman, Carl Oscar
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