UNT Libraries Government Documents Department - 63 Matching Results

Search Results

Results: 1 - 24 next

Grapple.

Description: Patent for a grapple, a device "for handling brick - that is, for moving brick from one point to another" (lines 13-14).
Date: November 6, 1900
Creator: Brownfield, James G.
Item Type: Refine your search to only Patent

Water-Purifying Apparatus.

Description: Patent for a water purifying device for use in water distribution systems, which mixes the water with a chemical salt and then takes it into a settling basin where mud and such sink to the bottom, leaving pure water on top which is let out for distribution.
Date: March 17, 1908
Creator: Fender, John B.
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: 1902
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 32.75 -96.75

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: 1909
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 32.75 -96.75

Center Foot for Cultivators

Description: Patent for "an improved center foot or standard which is adapted to be readily attached to and detached from a beam or beams of a cultivator adjusted thereon and adapted for the attachment of a shovel, plow, or sweep of any kind required" (lines 8-15).
Date: May 21, 1901
Creator: Greathouse, James E.
Item Type: Refine your search to only Patent

Secondary Electric Clock

Description: Patent for a secondary electric clock. This invention uses a predetermined movement of the clocks hands thereby preventing any abnormal movement in a secondary clock controlled by a master clock. Illustration included.
Date: May 28, 1907
Creator: Guthrie, William S.
Item Type: Refine your search to only Patent
Back to Top of Screen