Combination Drill Bit and Drill Shank (open access)

Combination Drill Bit and Drill Shank

Patent for "Improvements in Combination Drill-Bits and Drill-Shanks" (lines 6-7) including illustrations.
Date: December 30, 1919
Creator: Humason, Granville A.
Object Type: Patent
System: The Portal to Texas History
Drill-Bit. (open access)

Drill-Bit.

Patent for improvement to drill-bits. The object of the invention is to provide a bit of the character described which is especially adapted for deep well drilling by the rotary process.
Date: December 30, 1919
Creator: Humason, Granville A.
Object Type: Patent
System: The Portal to Texas History

P.L. 94-171 County Block Map (2010 Census): Cass County, Block 12

Parent map for Cass 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 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): Cass County, Block 16

Parent map for Cass 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 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): Cass County, Index

Index map for Cass 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 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): Harrison County, Block 5

Parent map for Harrison 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 10, 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): Harrison County, Block 10

Parent map for Harrison 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 10, 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): Harrison County, Block 15

Parent map for Harrison 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 10, 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): Harrison County, Block 20

Parent map for Harrison 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 10, 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): Harrison County, Index

Index map for Harrison 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 1:92,115.
Date: December 10, 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): Marion County, Block 6

Parent map for Marion County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:17,000.
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): Marion County, Block 12

Parent map for Marion County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:17,000.
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): Marion County, Index

Index map for Marion 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 1:104,397.
Date: December 14, 2010
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History
Conduit Electric Railway. (open access)

Conduit Electric Railway.

Patent for an underground conduit electric railway meant to propel cars. The conduit can be drained and kept dry, and a trolley attachment protects the conduit from dirt and water as well.
Date: December 5, 1893
Creator: de Voe, William R.
Object Type: Patent
System: The Portal to Texas History