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Archaeological Survey Along Portions of the Proposed Grand Prairie Thirty-Inch Water Pipeline Route, Dallas and Tarrant Counties, Texas

Description: An archaeological survey report of the proposed Grand Prairie water pipeline route in Dallas and Tarrant Counties, Texas, performed to determine whether any historic resources were located on the proposed construction sites.
Date: March 5, 2007
Creator: Todd, Jesse
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Wire-Coiling Machine.

Description: Patent for a a wire coiling machine, which can make wire coils out of different types of wires for use in making doormats.
Date: November 5, 1907
Creator: Horsley, Robert L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Womb-Battery.

Description: Patent for a womb-battery that has "an advantageous electrical or galvanic device adapted, when placed in the womb of a patient where it will be subject to the chemical action of the mucous fluid, to develop a mild electric action and thereby stimulate the generative organs and promote the cure of the various diseases peculiar to the female sex" (lines 13-20). It also is not easily displaced and is easily adjusted.
Date: June 5, 1894
Creator: Petit, Julius C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Level-Indicator.

Description: Patent for a new and improved level indicator, intended for use with airplanes and other flying machines to indicate the angle of ascent or descent, as well as when the machine is on a level keel. The level indicator is designed to have a water-tight casing and weatherproof joints and has brackets to secure it to the airplane.
Date: November 5, 1918
Creator: Westbrook, Homer S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well Drilling Machine.

Description: Patent for a driving mechanism to reduce the numbers of shafts and other parts needed for well drilling. The invention allows for one main driving shaft to be used as the primary source for well drilling.
Date: February 5, 1918
Creator: Herdman, Adam H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Velocipede.

Description: Patent for a new and improved velocipede. This design "has relation to that class of velocipedes in which the rider is suspended within a large wheel impelled by a frictional contact between the inner periphery of the same and the driving wheel" (lines 8-12). With this design, "by the increased size of wheel, not only is speed gained, but the same may be propelled with greater ease over rough or smooth roads and with greater comfort to the rider, in that the jolt is less, and yet at the same ti… more
Date: August 5, 1890
Creator: Akers, William P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hydrostatic Indicator for Weighing Scales.

Description: Patent for a new and improved hydrostatic indicator for scales. This design consists in "a reservoir, an outer cylinder, a hollow inner cylinder, an attached stand-pipe, and registering-dial, said inner cylinder being surrounded by and sliding within said outer cylinder, said outer cylinder being provided with an attached inlet-pipe communicating with said reservoir, said pipe being provided with two valves, in combination with a bearing-bar, side rods, and under bar, forming a frame bearing up… more
Date: February 5, 1889
Creator: Lewis, Henry A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Stamp-Rack.

Description: Patent for a stamp rack that is designed specifically for bread stamps and carries a spool of stamps in convenient reach of the user or operator. This rack provides the operator with the flexibility of not having to hold the stamps in one hand while he places the stamp on the bread.
Date: August 5, 1913
Creator: Buhl, Augustin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Portable Hitching-Block

Description: Patent for a portable hitching block that is retractable and is able to hold a hitching rein at any length. Illustrations included.
Date: May 5, 1908
Creator: Barnett, John B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Power-Transmitting Mechanism for Pumps.

Description: Patent for improvements in a pump operating mechanism which operates "long stroke, double-acting pumps" (lines 12-13). The mechanism is designed to expend little power, and includes illustrations.
Date: October 5, 1915
Creator: Fulford, Marcus F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for "heel sweeps" for plows, which are a construction of wings that that sweep the furrow on either side of the plow.
Date: January 5, 1915
Creator: Randolph, James W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pedal-Action.

Description: Patent for a piano pedal action, which can be used in different types of pianos and is adjustable for different users.
Date: April 5, 1910
Creator: Norcross, Levi Watson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Door.

Description: Patent for a door for bathrooms that adjoin two rooms that turns a partition door around 180 degrees when a person enters the bathroom and has locks to prevent the entrance of a person from the other room.
Date: April 5, 1910
Creator: Van Zandt, John H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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