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Lock-Joint Rail.

Description: Patent for a lockable joint for connecting segments of a railway track. The joint is resistant to breakages due to the passage of trains but allows for the replacement of worn track.
Date: May 5, 1914
Creator: Swindler, Edgar L.
Partner: UNT Libraries Government Documents Department

Wagon Brake.

Description: Patent for a new and improved wagon-brake. This goal of this design "is to provide an automatic brake for wagons and other wheeled vehicles running on dirt roads" (lines 11-13).
Date: May 23, 1882
Creator: Le Roy, Charles Jerome & Henson, John Wesley
Partner: UNT Libraries Government Documents Department

Walking Cultivator

Description: Patent for a walking cultivator. Illustrations included.
Date: May 30, 1911
Creator: Roper, Andrew Washington
Partner: UNT Libraries Government Documents Department

Subsoil Irrigating Implement

Description: Patent for a farming irrigation cart which places the water beneath the soil using a plow.
Date: May 20, 1913
Creator: La Rue, Joseph A.
Partner: UNT Libraries Government Documents Department

Measuring and Drawing Tool.

Description: Patent for an improved, simple, and durable measuring and drawing tool that is easily adjusted and used to find bevels, pitches, degrees, and lengths in framing roofs. It has other purposes as well. "The invention consists of a plate in the shape of an eighth of an octagon having four sides, and a straight edge pivoted on the side plate and indicating thereon" (lines 14-17).
Date: May 2, 1893
Creator: Allred, Lemuel O.
Partner: UNT Libraries Government Documents Department

Metal Tie.

Description: Patent for a metal railroad tie.
Date: May 2, 1911
Creator: Riley, Samuel L.
Partner: UNT Libraries Government Documents Department

Dust Guard for Car Windows.

Description: Patent for a new and improved dust guard for windows. This design consists in "the body . . . which is of concavo-convex form, closed at its upper end by a transverse plate and provided at its lower end with a contracted opening for the discharge of cinders, dust, &c., said body portion being provided with means . . . for affecting its attachment to a window frame" (lines 77-85).
Date: May 17, 1887
Creator: Duzan, Thomas H.
Partner: UNT Libraries Government Documents Department

Shoe-Blackener.

Description: Patent for a shoe blacking device, which has a tank for holding the shoe blacking, a dispenser with a cut off valve and a dauber to apply the blacking to the shoe.
Date: May 31, 1910
Creator: Glasgow, Samuel G. H.
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "relates to car-couplings of that class which have a sliding spring-actuated pin-support, against which the link comes to drive the support back and permit the pin to fall and effect an automatic coupling" (lines 9-13).
Date: May 6, 1884
Creator: Mayfield, Samuel Brooks
Partner: UNT Libraries Government Documents Department

Harrow or Cultivator

Description: Patent for a harrow or cultivator. Illustrations included.
Date: May 24, 1904
Creator: Cutter, Oliver C.
Partner: UNT Libraries Government Documents Department

Gate

Description: Patent for a sliding gate. Illustrations included.
Date: May 8, 1908
Creator: Morgan, William B.
Partner: UNT Libraries Government Documents Department

Hoe.

Description: Patent for improvements in hoes, the inventor designed the handle of the hoe to carry two shanks; the shanks diverging form the handle and bent to be parallel with each other. A connecting-rod at the end of two shanks is being threaded and provided with locking-nuts, which used to secure the hoe blades. The hoe blades can be adjusted laterally. Illustration is included.
Date: May 19, 1891
Creator: Brown, Henry M.
Partner: UNT Libraries Government Documents Department

Boiler Attachment.

Description: Patent for a boiler attachment to regulate the boiler feed pump.
Date: May 31, 1910
Creator: Morris, Gid M. & Watkins, John H.
Partner: UNT Libraries Government Documents Department

Automatic Switch

Description: Patent for an automatic switch for railroad tracks.
Date: May 2, 1911
Creator: Pickle, Voyl C.
Partner: UNT Libraries Government Documents Department
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