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Antiskid Device

Patent for reinforcing the hinge of an antiskid device. Long studs on heavy foot plates on tires are used to brace the hinges not allowing them to wear down by dragging on the road surface.

Date: February 17, 1920

Creator: Smith, Ross

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Combined Swingletree and Evener.

Patent, including illustrations, for improvements to combined swingletrees and eveners, tools used to equalize strain between a draft animal and vehicle, "which is easily and simply constructed, inexpensive to manufacture, and one which will be very efficient in operation" (lines 22-25).

Date: March 16, 1920

Creator: White, Floyd N.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Bank-Check Writer.

Patent for a new and useful improvements in Bank-Check Writers. With this device, a blank check may be inserted and the name of the payee and the amount in figures will be typewritten.

Date: May 18, 1920

Creator: Wendelken, Charles

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Compound Air-Compressor.

Patent for an improved Compound Air-Compressor by having four cylinders, in pairings of a high pressure and a low pressure cylinders. The air from the low pressure cylinder will be fed to the high pressure cylinder. The pistons will work in succession rather than simultaneously.

Date: February 17, 1920

Creator: Jones, Oceola

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Auto Steering-Lock

Patent for a lock designed to attach to the spokes of a steering wheel with the intention of guarding it from "unauthorized persons" (line 20), including illustrations.

Date: June 1, 1920

Creator: Cosby, Luther F.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Apparatus for Treatment of Oil Emulsions.

Patent for improvements in apparatus for treatment of oil emulsions by providing a means that will greatly assist in the separation of water from oil emulsions and which will aid the re-absorption or retention of gas.

Date: January 13, 1920

Creator: McKibben, Charles W.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Apparatus for Extracting Minerals from Ores.

Patent for an apparatus that extracts minerals, especially sulfur, from ores. The apparatus features new and useful improvements, creating an automatic extraction that separates the minerals in a pure state.

Date: January 13, 1920

Creator: Shires, George M.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Aeroplane.

Patent for a new and useful airplane that provides the ability of the aircraft to take off from the ground at an abrupt angle. The aircraft has a supplemental propeller and jointed body to direct the machine upward in an abrupt ascent, making it especially useful in wooded areas or where obstructions prevent normal take-off.

Date: February 3, 1920

Creator: Cartwright, Andrew

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Soil map, Texas, Lubbock County sheet

Map displays soil types along with creeks, experiment farms, towns, schools, roads, and railroads. Includes legend and symbols.

Date: 1920

Creator: United States. Bureau of Soils.

Item Type: Map

Partner: UNT Libraries Government Documents Department

Soil survey of Lubbock County, Texas

Text describes the climate, agriculture, and soils of Lubbock County, Texas.

Date: 1920

Creator: Veatch, J. O. (Jethro Otto) & Lewis, H. G. (Henry Guy)

Item Type: Book

Partner: UNT Libraries Government Documents Department

Van Horn Sheet

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: 1920

Creator: Geological Survey (U.S.)

Item Type: Map

Location: 31.25 -104.75

Partner: UNT Libraries Government Documents Department