UNT Libraries Government Documents Department - 23 Matching Results

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Texarkana Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:62500
Date: 1909
Creator: Geological Survey (U.S.)
Location: 33.38 -94.12

New Boston Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:62500
Date: 1909
Creator: Geological Survey (U.S.)
Location: 33.38 -94.38

Clothes-Pin.

Description: Patent for a wire clothes pin that is attached to the clothesline and is easily opened or closed to attach or remove clothes.
Date: March 19, 1907
Creator: Burleson, Pleasant Wright

Animal Trap

Description: Patent for an animal trap, particularly desgned for rodents and birds, which is able to trap animals without having to be manually reset each time. Illustrations included.
Date: January 19, 1909
Creator: Barron, Nathan J.

Water-Elevator.

Description: Patent for an improvement in water elevators to raise and lower a pair of buckets, meant to be simple, inexpensive, and more efficient than other designs. In particular, it is meant "to move the buckets in either direction without necessitating the operator's changing his position with relation to the apparatus" (lines 19-22).
Date: January 1, 1901
Creator: Griffin, Walter R.; Thomas, Joseph E. & Griffin, Samuel D.

Track Fastener

Description: Patent for railroad track fastener. This invention is made of metallic track fasteners and uses a joint for meeting together the ends of the rails. Illustration included.
Date: July 14, 1908
Creator: Hutchins, William Dennis

Mail-Holder.

Description: Patent for a mail holder which has slots for different types of mail organized by letter, which can be carried in the mail delivery vehicle thus letting the mail only be sorted once.
Date: March 31, 1908
Creator: Hill, Thomas A.

Pot-Rack.

Description: Patent for a pot-rack which can hold a scalding-crate, cooking-pan, or canning-machine in a boiler at any depth of one's choice, including illustrations. The pot-rack is simple in design, durable, and inexpensively manufactured.
Date: February 13, 1906
Creator: Cloninger, Ellie B.
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