Ejector-Pump. (open access)

Ejector-Pump.

Patent for an improved ejector pump that operates using air or steam pressure, and pumps water any height or distance. The invention is easily operated and practical.
Date: January 23, 1894
Creator: Nevill, William Birt
Object Type: Patent
System: The Portal to Texas History
Improvements in Traction-Engines. (open access)

Improvements in Traction-Engines.

Patent for improving traction engines for use in hauling on farms and farm roads. Includes instructions and illustrations.
Date: October 14, 1879
Creator: McGregor, Montague M. & Croxton, James C.
Object Type: Patent
System: The Portal to Texas History
Cotton Chopper and Cultivator. (open access)

Cotton Chopper and Cultivator.

Patent for a machine that allows the user to simultaneously cut down and plow cotton, or perform either task separately. Includes instructions and illustrations.
Date: October 5, 1897
Creator: Hargrove, Byron Lafayette
Object Type: Patent
System: The Portal to Texas History

Rockwall Quadrangle

Satellite image topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 2010
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Rowlett Quadrangle

Satellite image topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 2010
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Royse City Quadrangle

Satellite image topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 2010
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Forney North Quadrangle

Satellite image topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 2011
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Mesquite Quadrangle

Satellite image topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 2011
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Terrell North Quadrangle

Satellite image topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 2010
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Dallas County, Block 10

Parent map for Dallas 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: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Rockwall County, Block 2

Parent map for Rockwall County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:10,000.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Rockwall County, Inset B01

Inset map for Rockwall County, Texas showing detail within a census block for which the U.S. Census Bureau collected data. The plotted map scale is 1:2,000.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Kaufman County, Block 1

Parent map for Kaufman County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:20,000.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Hunt County, Block 21

Parent map for Hunt County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:15,000.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Collin County, Block 47

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 1:10,000.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Dallas County, Block 30

Parent map for Dallas 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: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Dallas County, Block 40

Parent map for Dallas 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: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Rockwall County, Inset C01

Inset map for Rockwall County, Texas showing detail within a census block for which the U.S. Census Bureau collected data. The plotted map scale is 1:3,000.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Rockwall County, Block 4

Parent map for Rockwall County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:10,000.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Collin County, Block 48

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 1:10,000.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Kaufman County, Index

Index map for Kaufman 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 1:80,862.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Hunt County, Index

Index map for Hunt 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 1:90,965.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Dallas County, Block 50

Parent map for Dallas 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: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Dallas County, Block 20

Parent map for Dallas 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: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History