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Kemp 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 1:62500
Date: 1920
Creator: United States. Army. Corps of Engineers.
Item Type: Refine your search to only Map
Location: 32.38 -96.12
Partner: UNT Libraries Government Documents Department

Attachment for Rotaries.

Description: Patent for rotary well-drilling machinery where the "ring or bushing to rotate independently of the table and the present invention is directed to means for accomplishing the rotating effect." (line 24-27)
Date: July 20, 1920
Creator: Johnston, Horace G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Surgical Splint.

Description: Patent for a surgical splint specifically for the substitution of erectile tissue of the corpora cavernous of the genital organ to promote fecundation even in the absence of an erection.
Date: July 13, 1920
Creator: Renois, John J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rotary-Drill Head.

Description: Patent for a drill apparatus that improves the head gears and driving mechanisms that makes for an efficient driving of the apparatus and allows for free vertical movement.
Date: July 27, 1920
Creator: Johnston, Horace G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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