Air-Brake Apparatus. (open access)

Air-Brake Apparatus.

Patent for an improvement to the air brake which includes new types of valves.
Date: April 14, 1914
Creator: Parker, William E.
Object Type: Patent
System: The Portal to Texas History
Ash Pan (open access)

Ash Pan

Patent for an ash pan. Illustration included.
Date: August 14, 1906
Creator: Byar, Ernest & Clopton, Mortimer L.
Object Type: Patent
System: The Portal to Texas History

P.L. 94-171 County Block Map (2010 Census): Polk County, Block 3

Parent map for Polk County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:18,000.
Date: December 14, 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): Trinity County, Block 2

Parent map for Trinity County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:25,000.
Date: December 14, 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): Nacogdoches County, Block 20

Parent map for Nacogdoches County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:19,000.
Date: December 14, 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): Trinity County, Index

Index map for Trinity 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 1:102,350.
Date: December 14, 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): San Augustine County, Block 8

Parent map for San Augustine County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:23,000.
Date: December 14, 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): Nacogdoches County, Block 19

Parent map for Nacogdoches County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:19,000.
Date: December 14, 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): Nacogdoches County, Block 16

Parent map for Nacogdoches County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:19,000.
Date: December 14, 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): Houston County, Index

Index map for Houston 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 1:128,961.
Date: December 14, 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): Polk County, Index

Index map for Polk 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 1:110,538.
Date: December 14, 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): Nacogdoches County, Block 11

Parent map for Nacogdoches County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:19,000.
Date: December 14, 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): Trinity County, Block 5

Parent map for Trinity County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:25,000.
Date: December 14, 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): Nacogdoches County, Index

Index map for Nacogdoches 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 1:97,233.
Date: December 14, 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): Tyler County, Index

Index map for Tyler 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 1:85,974.
Date: December 14, 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): San Augustine County, Index

Index map for San Augustine 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 1:94,162.
Date: December 14, 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): San Augustine County, Block 6

Parent map for San Augustine County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:23,000.
Date: December 14, 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): Nacogdoches County, Block 15

Parent map for Nacogdoches County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:19,000.
Date: December 14, 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): Polk County, Block 1

Parent map for Polk County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:18,000.
Date: December 14, 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): Tyler County, Block 2

Parent map for Tyler County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:28,000.
Date: December 14, 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): Houston County, Block 11

Parent map for Houston 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

P.L. 94-171 County Block Map (2010 Census): Polk County, Block 7

Parent map for Polk County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:18,000.
Date: December 14, 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): Tyler County, Block 1

Parent map for Tyler County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:28,000.
Date: December 14, 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): Nacogdoches County, Block 17

Parent map for Nacogdoches County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:19,000.
Date: December 14, 2010
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History