Trinity Co.

Trinity Co.

Date: 1905
Creator: unknown
Description: Blue line print of survey map of Trinity County, Texas, showing rivers, creeks, original land grants or surveys, cities, towns, and railroads. Scale [ca. 1:200,000] (6000 varas to the inch).
Contributing Partner: Hardin-Simmons University Library
Device for Facilitating Making and Sharpening Molding-Bits.

Device for Facilitating Making and Sharpening Molding-Bits.

Date: August 17, 1897
Creator: Ross, William
Description: Patent for sharpening molding-bits and keeping them at standard gauge. Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Lubricator.

Lubricator.

Date: December 28, 1897
Creator: McCall, Duncan D.
Description: Patent for a new and useful lubricator. This invention "relates to certain improvements in lubricators, such as are adapted for use in connection with the wheels of wagons, carriages, and other vehicles" (line 8 -11).
Contributing Partner: UNT Libraries Government Documents Department
Acetylene-Gas Lamp.

Acetylene-Gas Lamp.

Date: February 20, 1900
Creator: Josserand, Peter
Description: Patent for certain new and useful improvements in acetylene gas lamps, including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Frame For Slates.

Frame For Slates.

Date: September 12, 1899
Creator: Mitchell, George W.
Description: Patent for certain new and useful improvements in frames for slates, including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Acetylene-Gas Lamp.

Acetylene-Gas Lamp.

Date: October 10, 1899
Creator: Josserand, Peter
Description: Patent for a new and improved acetylene gas lamp, including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Tongs.

Tongs.

Date: December 11, 1900
Creator: Rice, John F.
Description: Patent for tongs with gripping jaws that are removable and have variable gripping surfaces on each vertical side of the jaws.
Contributing Partner: UNT Libraries Government Documents Department
Gate

Gate

Date: June 11, 1901
Creator: Seckler, Levi W.
Description: Patent for "simple and easily-operated mechanism for opening and closing a gate and for controlling the latch thereof by the same mechanism which opens and closes the gate" (lines 12-16).
Contributing Partner: UNT Libraries Government Documents Department
Churn-Power.

Churn-Power.

Date: May 26, 1891
Creator: MaGee, William Joseph
Description: Patent for improvements in churn-motors by using the combination of an upright supporting frame, “a shaft journaled in the frame, means for rotating the shaft,…..corresponding with the size of the joint between the dasher-staff and pitman, substantially as specified.” (Line 5-15, p.2) Illustration is included.
Contributing Partner: UNT Libraries Government Documents Department
Device for Jointing, Gaging, and Setting Saws.

Device for Jointing, Gaging, and Setting Saws.

Date: May 5, 1885
Creator: Cummings, Virgil T.
Description: Patent for a new and improved device for jointing, gauging, and setting saws. This design consists "[i]n a saw-jointer and gage . . . the body-plate or block, having laterally extending arms, a groove extending entirely through the said arms, overhanging flanges extending from the said arms, a slot in the bottom of the groove forming an open space between the flanges, and a flat spring secured in the groove, facing the flanges" (lines 28-35).
Contributing Partner: UNT Libraries Government Documents Department
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