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30 Matching Results
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Railroad-Switch.
Patent for a pressure triggered railroad switch that attaches more easily to the tracks and automatically closes when the pressure of the railroad cars is taken off of it.
Date:
March 12, 1907
Creator:
Madeley, George E.
Object Type:
Patent
System:
The Portal to Texas History
Car-Coupling
Patent for "...certain new and useful Improvements in Car-Couplings..." (lines 4-5) including instructions and illustrations.
Date:
October 12, 1886
Creator:
Mitchell, William A.
Object Type:
Patent
System:
The Portal to Texas History
P.L. 94-171 County Block Map (2010 Census): Dallas County, Block 36
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 1:8,000.
Date:
January 12, 2011
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): Dallas County, Block 45
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 1:8,000.
Date:
January 12, 2011
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): Dallas County, Block 54
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 1:8,000.
Date:
January 12, 2011
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): Dallas County, Block 63
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 1:8,000.
Date:
January 12, 2011
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): Dallas County, Block 72
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 1:8,000.
Date:
January 12, 2011
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): Dallas County, Block 81
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 1:8,000.
Date:
January 12, 2011
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): Dallas County, Index
Index map for Dallas 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 1:73,692.
Date:
January 12, 2011
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): Ellis County, Block 6
Parent map for Ellis County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:13,000.
Date:
January 12, 2011
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): Ellis County, Block 12
Parent map for Ellis County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:13,000.
Date:
January 12, 2011
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): Ellis County, Block 13
Parent map for Ellis County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:13,000.
Date:
January 12, 2011
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): Ellis County, Block 20
Parent map for Ellis County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:13,000.
Date:
January 12, 2011
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): Ellis County, Block 21
Parent map for Ellis County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:13,000.
Date:
January 12, 2011
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): Ellis County, Index
Index map for Ellis 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 1:106,444.
Date:
January 12, 2011
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): Henderson County, Block 1
Parent map for Henderson 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:
January 12, 2011
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): Henderson County, Block 2
Parent map for Henderson 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:
January 12, 2011
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): Henderson County, Block 3
Parent map for Henderson 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:
January 12, 2011
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): Henderson County, Block 4
Parent map for Henderson 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:
January 12, 2011
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): Henderson County, Index
Index map for Henderson 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 1:138,173.
Date:
January 12, 2011
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): 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:
January 12, 2011
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): Hunt County, Block 22
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:
January 12, 2011
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): Hunt County, Block 23
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:
January 12, 2011
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): 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 1:92,115.
Date:
January 12, 2011
Creator:
United States. Bureau of the Census.
Object Type:
Map
System:
The Portal to Texas History