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[Photograph of John and Lillian Langdon]

Description: Full-length portrait of John and Lillian Langdon. Lillian Langdon, sitting, wears a light-colored checkered dress with a matching jacket and a pearl necklace. John Landon, standing to the right of his sister, wears a dark jacket and knee-length shorts with dark tights and button-up boots. A hand written note on the back reads, "John Langdon & sister Lillian (Lillie). He was born 1887, about 4 yrs. old here, I suppose."
Date: 1891
Creator: Whittaker & Kennedy
Partner: Private Collection of T. B. Willis

Harrow

Description: Patent for an agricultural appliance that incorporates spring teeth allowing for the easy removal of small vegetable growths by cutting close to and below the surface of the soil.
Date: August 20, 1913
Creator: Owens, James Powell
Partner: UNT Libraries Government Documents Department

Wire Clothes-Pin.

Description: Patent for a device which utilizes a spring to assist with the clamping of textiles.
Date: July 28, 1914
Creator: Buckley, John L. & Coin, James W.
Partner: UNT Libraries Government Documents Department

Bale-Tie Buckle.

Description: Patent for a new bale tie buckle made of wire material "in which the buckle is closed by the strain or stress on the bale tie" (lines 11-14), including illustrations.
Date: August 19, 1913
Creator: Frantz, Ezra A.
Partner: UNT Libraries Government Documents Department

Jack.

Description: Patent for a vehicle jack that has a support leg built into it.
Date: December 6, 1910
Creator: Chatwell, Edward I.
Partner: UNT Libraries Government Documents Department

Hay Press

Description: Patent for a Hay-Press, for the purpose of bailing hay. Illustrations included.
Date: May 28, 1907
Creator: Hamilton, James William
Partner: UNT Libraries Government Documents Department

Buckle-Making Machine

Description: Patent for a buckle making machine for forming wires into tie buckles for bales of cotton, hay, etc. Illustrations included.
Date: July 30, 1912
Creator: Frantz, Ezra A.
Partner: UNT Libraries Government Documents Department

Stalk-Cutter.

Description: Patent for a stalk cutter that easily attaches to various farm equipment with wheels.
Date: March 5, 1907
Creator: Frantz, Ezra A.
Partner: UNT Libraries Government Documents Department

Hay Press

Description: Patent for a hay press. This invention uses a toggle lever that becomes active after each stroke of the plunger. Illustration included.
Date: May 11, 1909
Creator: Pickard, William Moad
Partner: UNT Libraries Government Documents Department

Cotton Tie Buckle

Description: Patent for a cotton tie buckle. This invention is an improvement for cotton-bands to prevent slipping. Illustration included.
Date: July 21, 1903
Creator: Eddleman, Dudley E.; Frantz, Ezra A. & Armstrong, James E.
Partner: UNT Libraries Government Documents Department

Baling Press

Description: Patent for a baling press. This invention is a screw operated double acting plunger that compresses the bales. Illustration included.
Date: April 2, 1907
Creator: Tate, William Elbert
Partner: UNT Libraries Government Documents Department

Refrigerator.

Description: Patent for a new and useful refrigerator, including instructions and illustrations.
Date: January 2, 1900
Creator: Lewis, Rowland E.
Partner: UNT Libraries Government Documents Department

Gate Latch

Description: Patent for a gate latch. Illustration included.
Date: January 17, 1905
Creator: Crawford, Jim; Cherry, Benjamin F. & Rentz, Joe
Partner: UNT Libraries Government Documents Department

Portable Bracket.

Description: Patent for a portable bracket holder for mirrors or papers that is worn from the shoulders and can be adjusted for different girths.
Date: August 18, 1908
Creator: Birdwell, Russell Jones
Partner: UNT Libraries Government Documents Department

Bridge Construction

Description: Patent for a truss bridge which also uses suspension cables and is lighter than previous truss bridges.
Date: October 1, 1907
Creator: Carroll, John Morton
Partner: UNT Libraries Government Documents Department

Bicycle Attachment.

Description: Patent for a bicycle attachment that supports the frame and can be used as a "carrier or support for a child, package, a satchel, &c." (Lines 12-13) Illustrations included.
Date: May 1, 1900
Creator: Flinn, William M.
Partner: UNT Libraries Government Documents Department