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in place name: "United States - Texas - Harris County - Humble"  
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Genoa Quadrangle

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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 29.56 -95.19
Partner: UNT Libraries Government Documents Department

Well-Drilling Device.

Description: Patent for adding a drilling stem to a well-drilling device, with illustration. This invention will improve operation of devices.
Date: February 10, 1920
Creator: Church, Walter Lee
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for a pump that can be "cleansed of sand and other foreign matter" which may cause an obstruction or interference "with the operation of the pump valve" (lines 13-15).
Date: May 28, 1920
Creator: Johnson, John L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Saw Filer and Gummer

Description: Patent for adding an attachment to aid in "sharpening and gumming the teeth of circular saws particularly such saws as are used in cotton gins" (lines 13-15). The attachment works with a device for which the inventor previously received a patent. (Patent No. 1,180,270)
Date: February 3, 1920
Creator: McMicken, Thomas W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fishing-Tool

Description: Patent for a fishing tool that is "light, and of simple construction... (line 37)." The fishing tool is also meant to be let down into well bores without the rods or tubing getting stuck and automatically locks.
Date: December 21, 1920
Creator: McMillian, John F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Chopper

Description: Patent for a cotton-chopper with two moveable, adjustable cutting apparatuses, which is operated using the foot. One of the cutters moves along the path of travel of the device and the other is stationary, as to prevent the chopper from pulling the cotton plant from the ground while cutting. Patent includes illustrations.
Date: October 5, 1920
Creator: Dawson, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Casing-Head

Description: Patent for a casing head that is specially adapted for "use in connection with well drilling for letting the tubing down into the bore, and in withdrawing the tubing from the bore." (Lines 15-16), including illustrations.
Date: September 7, 1920
Creator: McGarry, Henry S. & Carr, John D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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