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P.L. 94-171 County Block Map (2010 Census): Menard County, Block 4
Parent map for Menard County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:21,000.
Date:
December 14, 2010
Creator:
United States. Bureau of the Census.
Object Type:
Map
System:
The Portal to Texas History
Primary Care Case Management Primary Care Provider and Hospital List: West Texas, December 2011
List of Primary Care Case Management program approved primary care providers, hospitals, specialists, and family planning providers, located in the West Texas area.
Date:
December 2011
Creator:
Primary Care Case Management
Object Type:
Book
System:
The Portal to Texas History
Vulcanizing Device.
Patent for a vulcanizing device for use on tires.
Date:
December 26, 1911
Creator:
Robbins, James M. & Crew, John F.
Object Type:
Patent
System:
The Portal to Texas History
Tie.
Patent for a railway tie that has a stronger attachment to the rails than other models.
Date:
December 26, 1911
Creator:
Wade, James T.
Object Type:
Patent
System:
The Portal to Texas History
System of Road Drainage.
Patent for a new and improved system of road drainage. This design is "especially . . . for use on dirt and other roads, and adapted to quickly dry the road after a heavy rainfall without disturbing the road-bed. The invention consists of a drain arranged longitudinally under the road-bed and provided with outlet-pipes placed suitable distances apart, and each adapted to be closed at its outer end, and branch air-pipes also extending from the said drain and adapted to be connected with an air-pump for pumping the air out of the drain" (lines 10-21).
Date:
December 2, 1890
Creator:
Mitchell, Alexander
Object Type:
Patent
System:
The Portal to Texas History
Rail-Joint
Patent for a rail joint that provides a rest for rail ties and extends splice bars which may also be connected to the rest. The resulting rail joint limits unequal lateral and downward movement of either rail end, illustrations included.
Date:
December 30, 1919
Creator:
Sheppard, Robert B.
Object Type:
Patent
System:
The Portal to Texas History
Neck-Yoke
Patent for a neck-yoke or tongue attachment used to pull a vehicle or plow.
Date:
December 29, 1914
Creator:
Davis, James B.
Object Type:
Patent
System:
The Portal to Texas History