UNT Libraries Government Documents Department - 44 Matching Results

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Dallas Sheet

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 1:125000
Date: 1902
Creator: Geological Survey (U.S.)
Location: 32.75 -96.75

Dallas Sheet

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 1:125000
Date: 1909
Creator: Geological Survey (U.S.)
Location: 32.75 -96.75

Breech-Protector

Description: Patent for a breech protector for guns which protects exposed parts of the gun and the hands of the person handling it. Illustrations included.
Date: December 15, 1908
Creator: Hann, Edmund Lyne

Bottle-neck

Description: Patent for "an improved neck for bottles and jars; and it consists, essentially, of a notch formed on each side of the cork to enable the fingers of the operator to obtain a firm grip thereon in order to extract same." (lines 8-12)
Date: April 10, 1906
Creator: Huffer, Tilghman A.

Car Step

Description: Patent for a car step. This invention is designed to be swung down into position from a fixed under the bottom of the rail car. Illustration included.
Date: September 18, 1906
Creator: Davis, George W. & Hicks, Joseph A.

Trap.

Description: Patent for a star shaped fish or animal trap, which has spring triggered entry points that allow animals in but not out.
Date: January 19, 1909
Creator: Hendrix, Julius M.

Train-Order Signal.

Description: Patent for a train order signal device, which sets off an alarm or signal when the train order pad is removed, which cannot be turned off until the pad is replaced.
Date: November 24, 1908
Creator: Van Zandt, Luther H.

Train-Order Signal.

Description: Patent for a train order signal, which prevents accidental clear signals from the semaphores by requiring the train order pad to be replaced before a signal can be given.
Date: May 18, 1909
Creator: Gates, William T.
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