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Rotary Engine

Description: Patent for a rotary engine. This invention consists of a "stationary jacket and a rotor revoluble therein with a maximum degree of power and a minimum of friction" (lines 11-14). Illustrations included.
Date: August 6, 1912
Creator: Bosley, William C.
Partner: UNT Libraries Government Documents Department

Rake.

Description: Patent for a rake that is meant for raking loose stumps, brush, and similar articles from fields. The rake is pulled along, and two wheels form an axle where the rake is balanced. There are two rake-lifting levers.
Date: October 20, 1896
Creator: McIlroy, Archibald Yell & McIlroy, Joseph Lee
Partner: UNT Libraries Government Documents Department

Window-Curtain Holder.

Description: Patent for improvements in window-curtain holders,in which the curtain holder has a upper and a lower socket, “with the lower socket having a central opening and mounted on a base-plate, of the upper socket having a side opening and mounted on a base-plate, and the U-shaped clasp pivoted at its lower end in the lower socket and having its upper end laterally bent and designed for insertion in the side opening of the upper socket” (lines 84-92). The curtains would be retained and giving them the proper draping and prevent them from flapping and tearing, includes illustration.
Date: March 17, 1891
Creator: West, Eugene B.
Partner: UNT Libraries Government Documents Department

Washing-Machine.

Description: Patent for an improvement in washing-machine by attaching two horizontal "braces" to the supporting legs of the suds-box, and making the supporting legs adjustable both vertically and laterally. This feature would allow the adjustment of the suds-box’s position and to spread the legs for a firmer support of the suds-box. Illustration is included.
Date: February 10, 1891
Creator: Schrib, Juni
Partner: UNT Libraries Government Documents Department

Electric motor.

Description: Patent for improved electric motor used in motor vehicles "which may be associated directly with the driving-wheel of a motor-vehicle" (lines 40-41), bypassing the need for other power-transmitting mechanisms. Includes instructions and illustrations.
Date: July 20, 1897
Creator: Perret, Frank A.
Partner: UNT Libraries Government Documents Department

[Lee Oswald's Notes]

Description: Evidence photograph of a page from a document removed from Lee Harvey Oswald's house. The text is smudged and written in Russian.
Date: November 1963
Creator: Dallas (Tex.). Police Department.
Partner: Dallas Municipal Archives