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Pianoforte-Action

Description: Patent for support for the damper and spring for piano pedals. Illustrations included.
Date: August 30, 1910
Creator: Snyder, George C.
Partner: UNT Libraries Government Documents Department

Electrical Testing Device

Description: Patent for a device to test electrical circuits for faults which is cheaper to manufacture, easier to use, smaller and more durable.
Date: August 17, 1920
Creator: Bierbower, Richard C.
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel.

Description: Patent for a spring cushioned tire. The springs are positioned between the wheel ferry and the tread.
Date: August 30, 1921
Creator: Allan, William N.
Partner: UNT Libraries Government Documents Department

Automatic Railway-Switch.

Description: Patent for new and useful Improvements in Automatic Railway-Switches, "particularly to automatic railway switches for use in street railways or steam railways" (lines 13-15), including instructions and illustrations.
Date: August 21, 1917
Creator: Eisenberg, Louis
Partner: UNT Libraries Government Documents Department

Motor-Driven Table

Description: Patent for "improvements in rotatable tables, such as are employed for the display of goods and for general serving purposes in hotels, restaurants and other places" (lines 12-16) including illustrations and instructions.
Date: August 19, 1913
Creator: Goodrich, Luman L., Jr.
Partner: UNT Libraries Government Documents Department

Ore Concentrator

Description: Patent for an ore concentrator. Illustration included.
Date: August 29, 1905
Creator: Journeay, William Orsborne
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel

Description: Patent for improving vehicular tires by making them more durable for heavier vehicular use.
Date: August 30, 1921
Creator: Allan, William N.
Partner: UNT Libraries Government Documents Department

Leaf-Turner.

Description: Patent for a leaf turner for turning the pages of a book, which is connected to a treadle operated with the feet to change the pages.
Date: August 30, 1910
Creator: Berliner, Selma Ellis
Partner: UNT Libraries Government Documents Department

Appratus for Treating Refuse Matter.

Description: Patent for "the perfection of an apparatus by the use of which night soil or garbage may be reduced to ashes in the shortest possible time and at a comparatively trivial expense" (lines 20-24).
Date: August 8, 1893
Creator: Carrico, Thomas W.
Partner: UNT Libraries Government Documents Department

Advertising-Sign.

Description: Patent for an advertisement sign with a translucent display band that illuminates different sections of letters, numbers, or figures, in various colors, giving the appearance of animation.
Date: August 5, 1919
Creator: Craig, Richard M.
Partner: UNT Libraries Government Documents Department

Method of Working Hydrated Volatile Refrigerating Agents, and Apparatus for Ice Making and Refrigeration.

Description: Patent for a new method of working hydrated volatile refrigerating agents and a new refrigerator. This design "involve[s] the use of such highly volatile matters as are capable of hydration — as, for instance, ammonia, that being the refrigerating agent preferable to all others . . . [and] is a simplification in the mode of operation, and in apparatus which enables the employment of comparatively unskilled labor, the production of apparatus at comparatively low cost, and the working of the ammo… more
Date: August 2, 1881
Creator: Rose, Thomas
Partner: UNT Libraries Government Documents Department

Tumbler-Washer.

Description: Patent for a device that is meant to thoroughly clean the inside and outside of glasses, mugs, and similar articles. The operator need not get their hands wet, and the brushes that clean the glasses are adjustable for different sized glasses.
Date: August 22, 1893
Creator: Zauner, Alexander
Partner: UNT Libraries Government Documents Department
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