UNT Libraries Government Documents Department - 16 Matching Results

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Churn

Description: Patent for a butter churn with gentle agitation meant to keep butter cells from breaking including illustrations.
Date: October 2, 1900
Creator: McCausland, Joseph H.
Item Type: Refine your search to only Patent

Fence-Post.

Description: Patent for a fence post made of sheet metal or iron, which does not require extra extra staples to attach wires and is durable.
Date: November 16, 1909
Creator: Mace, John O.
Item Type: Refine your search to only Patent

Lampasas 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: 1904
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.25 -98.25

Mechanical Movement.

Description: Patent for improvements in mechanical movements by using cranks and wrist pins to “converting rotary motion, like that of a wheel or pulley, into reciprocating motion.” (Lines 12-14) Illustration is included.
Date: April 8, 1902
Creator: McKean, Frank
Item Type: Refine your search to only Patent

Ore Separator

Description: Patent for ore separator. This invention "relates to separators or concentrators for separating or extracting gold from pulverized quartz sand or bearing dirt" (line 8-11). Illustration included.
Date: May 11, 1909
Creator: Donovan, John T., Sr.
Item Type: Refine your search to only Patent

San Saba 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: 1907
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.25 -98.75
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