Collection
Serial/Series Title
The Cross Section
451
2000 Census County Subdivision Block Map
95
1990 Census County Block Map
87
2000 Census County Block Map
84
2010 Census County Block Map
61
2010 Census P.L. 94-171 County Block Map
61
7.5 Minute Series (Topographic)
44
Digital US Topo Maps: 7.5 Minute Series (Topographic)
40
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
20
Vistas
16
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1,075 Matching Results
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1,057 - 1,075 of
1,075
Vignetting Attachment for Multiple-Exposure Cameras.
Patent for a multiple exposure camera attachment that allows multiple exposures to be made on a single plate or film, blending the exposures perfectly while avoiding harsh lines. The attachment is a telescopic tubular attachment with "a plurality of apertured light ray interrupting diaphragms" (lines 77-78).
Date:
April 5, 1921
Creator:
Moine, Selest E.
Object Type:
Patent
System:
The Portal to Texas History
Windmill Pipe Attachment
Patent for a windmill pipe attachment that is meant to close the vent opening of a windmill and drain from an opening of the user's choosing.
Date:
December 30, 1919
Creator:
Boerner, Fredrick W.
Object Type:
Patent
System:
The Portal to Texas History
Water Tank Cut-Off
Patent for improvements on the devices controlling the flow of water in tanks. Development and use are within text; includes illustrations to demonstrate the object of the patent.
Date:
December 11, 1917
Creator:
Law, Eugene L.
Object Type:
Patent
System:
The Portal to Texas History
Vise.
Patent for new improvements to vises involving accessories "to cooperate with the jaws of the vise in such a manner that the jaws will be very quickly and tightly brought together into direct engagement or into engagement with any object interposed between them," (lines 18-23) and an attachment to restore a work-out vise, including illustrations.
Date:
February 11, 1902
Creator:
Phenix, William Preston
Object Type:
Patent
System:
The Portal to Texas History
Pump and Windmill Connection
Patent for a connection between a pump and a windmill which varies the speed of the stroke.
Date:
July 22, 1913
Creator:
Slover, James S.
Object Type:
Patent
System:
The Portal to Texas History
System of Subirrigation.
Patent for the improvement of a subirrigation system, which allows the prevention of the pipes being choked by pipes through the use of coiled pipes.
Date:
January 23, 1912
Creator:
Robinson, William M.
Object Type:
Patent
System:
The Portal to Texas History
Plow
Patent for a plow which plows two furrows simultaneously. An axle is mounted on wheels, and the two adjustable plow beams pivot from the axle so that furrow depth and the width between furrows can be adjusted. Patent includes illustrations.
Date:
November 30, 1920
Creator:
Henderson, Warren H.
Object Type:
Patent
System:
The Portal to Texas History
Spring-Wheel.
Patent for a steel wheel with springs for automobiles that reduces jarring, is affordable, and does not get damaged as easily as the pneumatic tires previously in use on automobiles.
Date:
April 23, 1907
Creator:
Tubbs, William Oscar
Object Type:
Patent
System:
The Portal to Texas History
Rubberized Fabric and Rubber Tire.
Patent for rubberized fabric and rubber tires.
Date:
March 2, 1915
Creator:
Dees, Mark A.
Object Type:
Patent
System:
The Portal to Texas History
Conservation Connect, Number 1, Fall 2014
Annual magazine published by the High Plains Water District, discussing issues related to water usage and "highlight[ing] stories about water conservation practices and the people across the district that implemented them."
Date:
Autumn 2014
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Conservation Connect, Number 2, Fall 2015
Annual magazine published by the High Plains Water District, discussing issues related to water usage and "highlight[ing] stories about water conservation practices and the people across the district that implemented them."
Date:
Autumn 2015
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Conservation Connect, Number 5, Fall 2018
Annual magazine published by the High Plains Water District, discussing issues related to water usage and "highlight[ing] stories about water conservation practices and the people across the district that implemented them."
Date:
Autumn 2018
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Silo
Patent for a silo composed of sections that can be arranged to modify the capacity as needed, including illustrations.
Date:
April 21, 1914
Creator:
Ames, James W.
Object Type:
Patent
System:
The Portal to Texas History
Drainage System.
Patent for a drainage system for draining wet lands and lakes.
Date:
July 5, 1910
Creator:
Osborne, Charles W.
Object Type:
Patent
System:
The Portal to Texas History
Drain-Pipe.
Patent for a drain pipe for irrigation systems.
Date:
March 14, 1911
Creator:
Osborne, Charles W.
Object Type:
Patent
System:
The Portal to Texas History
Dustless Trousers Cabinet.
Patent for improvement of construction of display cabinets in stores.
Date:
June 2, 1915
Creator:
O'neal, Simean
Object Type:
Patent
System:
The Portal to Texas History
Drainage System
Patent for a drainage system. Illustration included.
Date:
June 6, 1911
Creator:
Osborne, Charles W.
Object Type:
Patent
System:
The Portal to Texas History
Detent Mechanism for Wire-Stretchers.
Patent for a new mechanism on a wire stretching device that makes the device cheaper and portable to use on wire fences, including illustrations.
Date:
May 28, 1918
Creator:
Green, Fred O.
Object Type:
Patent
System:
The Portal to Texas History
Dental Appliance.
Patent for a dental appliance attachment for a dental engine.
Date:
December 9, 1913
Creator:
Ballenger, Curtis M.
Object Type:
Patent
System:
The Portal to Texas History