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Valve-Gear.

Description: Patent for a valve-gear that uses a single eccentric, "together with devices by which such eccentric may be shifted upon the shaft and locked in its various positions to effect either a reversal of the engine or a stoppage thereof with a full head of steam on, and to run the engine in one or the other direction, as may be desired" (lines 10-15).
Date: September 24, 1895
Creator: Hill, Millard F. & Easley, Clifton W.
Partner: UNT Libraries Government Documents Department

Clay Co.

Description: Blue line print of survey map of Clay County, Texas, showing rivers, creeks, original land grants or surveys, cities, towns, and railroads. Scale [ca. 1:228,571] (6000 varas to 7/8 of an inch).
Date: 1924
Creator: Morriss, G. C. & Giles, J. Bascom
Partner: Hardin-Simmons University Library

Historical Map of Clay County, Texas.

Description: Pictorial map of Clay County, Texas, showing populated areas, creeks, rivers, railroads lines, old cattle trails, property ownership, and various outlying buildings (schools, houses, mills, general stores). The map is surrounded in a border of old cattle brands. Scale [ca. 1:63,360] (1 miles to the inch).
Date: unknown
Creator: Slagle Abstract Company
Partner: Hardin-Simmons University Library

Clay County Courthouse

Description: Photograph of the newly constructed Clay County Courthouse. A note on the photograph mount credits W.H. Wilson as its architect and Strain, Risley, & Swinburn as the builders.
Date: 1900
Partner: Austin History Center, Austin Public Library

Map Showing Geologic Structure Near Henrietta, Clay County, Texas

Description: Map of a portion of Clay County noting land parcels and owners, major roads and railroad tracks, and bodies of water. Symbols are added designating where drilling has happened and what has been found, with contour marks added in red. Scale 1:48,000.
Date: 1915
Creator: Robinson, H. M. & Shaw, E. W. (Eugene Wesley), 1881-1935
Partner: UNT Libraries Government Documents Department

Map Showing Structure of Parts of Parts of the Area Between Wichita Valley Railway and Wichita River, in Clay County, Texas

Description: Map of a portion of Clay County noting land parcels and owners, major roads and railroad tracks, and bodies of water. Symbols are added designating existing and dry wells, with contour marks added in red. Scale 1:48,000.
Date: 1915
Creator: Shaw, E. W. (Eugene Wesley), 1881-1935 & Robinson, H. M.
Partner: UNT Libraries Government Documents Department

Henrietta 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: 1957
Creator: Geological Survey (U.S.)
Location: 33.88 -98.12
Partner: UNT Libraries Government Documents Department

Door-Holder.

Description: Patent for a door holder, which is operated by turning the door knob and holds the door open at predetermined positions.
Date: March 3, 1908
Creator: Clark, Robert
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for certain new and useful improvements in cotton choppers, including instructions and illustrations.
Date: November 29, 1898
Creator: Hillermann, August & Heinen, Christopher
Partner: UNT Libraries Government Documents Department

Combined or Covertible Tool.

Description: Patent for a new and improved multi-tool. This design consists in "[t]he combination of a screw-driver, its blade having a hole and a lug, and its handle having in its end a socket with a slotted reversible tool, pointed at one end and formed for a screw-driver at the other end adjustably held against one side of the screw-driver by means of a screw and nut and the lug, and adapted to fit in the socket when out of use" (lines 63-71).
Date: November 20, 1888
Creator: Barber, Edwin L.
Partner: UNT Libraries Government Documents Department

Coffee-Pot.

Description: Patent for a coffee pot "wherein the water is forced to percolated through a body of coffee or tea held in a holder or receptacle near the top of the vessel." (Lines 12-15) Includes instructions and illustrations.
Date: February 23, 1897
Creator: Royer, Lemon S.
Partner: UNT Libraries Government Documents Department

Reversible Spring-Motor.

Description: Patent for a spring-motor for bicycles, street and railway cars, and other vehicles which is meant "to accumulate and store surplus power which is usually lost in stopping vehicles and in holding back the same when descending steep grades, the purpose being to utilize such stored power for the purpose of propelling the vehicle up an incline or at whatever point additional power may be found desirable." (Lines 17-24) Includes instructions and illustrations.
Date: April 20, 1897
Creator: Click, John Jones
Partner: UNT Libraries Government Documents Department

Apparatus for Burning Garbage.

Description: Patent for an apparatus for burning garbage that is made up of a roasting chamber, a grate to hold the garbage, two furnaces, a passage for the ashes, a third furnace connected to the passage, flues, a smokestack, non-combustible absorbent material around the flues and beneath the grate, and flues beneath the grate.
Date: March 27, 1894
Creator: Risley, Ward
Partner: UNT Libraries Government Documents Department

File or Bill-Book.

Description: Patent for a paper file that has "an index board or cover that it can be moved along the transfer wires from one side of the bottom boards to the other, the same as papers and with or without papers attached to it, and so that when brought around on top of the bottom board and interposed papers it will form therewith a book in which the papers or blanks will be retained for the ready reference or for such use as may be required" (lines 24-33). Papers can be punched with a mechanism on the inven… more
Date: July 10, 1894
Creator: Slaton, William David
Partner: UNT Libraries Government Documents Department

Fastener for Fish-Plates for Rails.

Description: Patent for improvements in fasteners for fish-plates for rails by using a combination of fish-plates, washers placed in between the plates and rail, a slotted bolt, a wedge-shaped key with thin bendable portion and a washer on the bolt between the key and fish-plate to “firmly hold the plates in position but will serve to deaden the noise caused by the fractional contact of the parts,” (lines 18-20) includes illustration.
Date: March 31, 1891
Creator: Gary, John S.
Partner: UNT Libraries Government Documents Department
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