UNT Libraries Government Documents Department - 77 Matching Results

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Air-Compressor.

Description: Patent for a more efficient air compressor with high and low pressure chambers formed of mating sections that can be detached to make repairs to the piston as necessary.
Date: April 1, 1913
Creator: Murphy, Edward

Fort Worth 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: 1918
Creator: Geological Survey (U.S.)
Location: 32.75 -97.25

Cleburne 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: 1917
Creator: Geological Survey (U.S.)
Location: 32.25 -97.25

Improvement to Tire-Patch for Inner Tubes

Description: Patent for an improvement to tire-patches for inner tubes by making use of "a simple devise for jacketing that part of an inner tube which may be adjacent to a puncture or weak place in the outer casing to prevent blow outs" (lines 11-14). Instructions and illustrations included.
Date: February 9, 1915
Creator: Major, William W.

Internal-Combustion Motor.

Description: Patent for an internal combustion engine which "embodies an improved construction of cylinders and connections between the pistons and the crank shaft" (lines 23-25) and which "will be simple, light, composed of comparatively few parts and capable of generating great power" (lines 28-31).
Date: May 26, 1914
Creator: Brown, Jared V., Jr.

Juice-Extractor

Description: Patent for an improved juice extractor including a way to remove the strainer for easy cleaning or replacement, a swivel for the handle, and an overall more efficient device.
Date: March 4, 1913
Creator: Williams, Winfield B.
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