P.L. 94-171 County Block Map (2010 Census): Collin County, Block 81

Parent map for Collin County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:7,000.
Date: December 9, 2010
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

P.L. 94-171 County Block Map (2010 Census): Collin County, Block 70

Parent map for Collin County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:7,000.
Date: December 9, 2010
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

P.L. 94-171 County Block Map (2010 Census): Collin County, Block 69

Parent map for Collin County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:7,000.
Date: December 9, 2010
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

P.L. 94-171 County Block Map (2010 Census): Collin County, Block 19

Parent map for Collin County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:7,000.
Date: December 9, 2010
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

P.L. 94-171 County Block Map (2010 Census): Collin County, Block 29

Parent map for Collin County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:7,000.
Date: December 9, 2010
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

P.L. 94-171 County Block Map (2010 Census): Collin County, Block 92

Parent map for Collin County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:7,000.
Date: December 9, 2010
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

P.L. 94-171 County Block Map (2010 Census): Collin County, Block 103

Parent map for Collin County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:7,000.
Date: December 9, 2010
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

P.L. 94-171 County Block Map (2010 Census): Collin County, Block 39

Parent map for Collin County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:7,000.
Date: December 9, 2010
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

P.L. 94-171 County Block Map (2010 Census): Collin County, Block 49

Parent map for Collin County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:7,000.
Date: December 9, 2010
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

P.L. 94-171 County Block Map (2010 Census): Collin County, Block 59

Parent map for Collin County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:7,000.
Date: December 9, 2010
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

P.L. 94-171 County Block Map (2010 Census): Collin County, Index

Index map for Collin County, Texas showing the distribution of census blocks and smaller inset areas for which the U.S. Census Bureau collected data. The plotted map scale is 1:78,810.
Date: December 9, 2010
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History
Internal Combustion Engine (open access)

Internal Combustion Engine

Patent for a improved Internal Combustion Engine. The improvement is the construction of the ignition of the internal combustion engine where the fuel in the compression chamber is ignited explosion of a different fuel of a more highly explosive nature.
Date: August 9, 1921
Creator: Simpson, Joseph Ryan.
Object Type: Patent
System: The Portal to Texas History
Hay or Cotton Press (open access)

Hay or Cotton Press

Patent for a hay or cotton press. "The invention consists, broadly stated, in a press mounted on wheels, adapting it to be hauled along a windrow in position to receive hay picked up with a fork by a man walking on the windrow side of the press." (lines 10-14). Illustrations included.
Date: June 9, 1903
Creator: Hamilton, Robert
Object Type: Patent
System: The Portal to Texas History
Wire-Fence Tool (open access)

Wire-Fence Tool

Patent for a wire fence tool that is a combination of a hammer, wire splicer, and a wire cutter (in a metal base construction). This tool performs the ability to cut and adjust wires without any additional components.
Date: March 9, 1915
Creator: Murphy, George W.
Object Type: Patent
System: The Portal to Texas History
End-Gate Lock. (open access)

End-Gate Lock.

Patent for "a fastening for end-gates of wagons and the like, the arrangement of parts being such as to permit the end-gate being always held in a locked position until it is desired to lower or raise the same." (lines 11-15).
Date: August 9, 1898
Creator: Murray, Nicholas Charles
Object Type: Patent
System: The Portal to Texas History
Pump. (open access)

Pump.

Patent for certain new and useful improvements in pumps, including instructions and illustrations.
Date: May 9, 1899
Creator: Gardner, Felix G.
Object Type: Patent
System: The Portal to Texas History
Seeder. (open access)

Seeder.

Patent for a new and improved seed-planter. This design "consists in the combination of the seed-hopper, the reciprocating seed-slide, and a sieve or screen suspended from the seed-slide and reciprocating therewith for sowing the seeds broadcast" (lines 10-14).
Date: February 9, 1886
Creator: Lovin, William Milton
Object Type: Patent
System: The Portal to Texas History
Crude-Oil Separator (open access)

Crude-Oil Separator

Patent for crude-oil separators mainly improves crude oil separators of baffle plate type.
Date: September 9, 1919
Creator: Lawrence, William P.
Object Type: Patent
System: The Portal to Texas History