Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design's "objects are, first, to couple cars of various altitudes; second, to couple the cars automatically; third, to uncouple from the top or side of the car; [and] fourth, to dispense with pins" (lines 16-20). It consists in a "draw-head [that] is provided with an elastic cover having a link-lifting arm secured thereto, a lever for oscillating said cover, performing the duplex function of disengaging the link and permitting its egress, a sloping projection from the base of said draw-head engaging the link on contact, and the bent link" (lines 51-58).
Date: November 11, 1890
Creator: Burns, John Calvin
Object Type: Patent
System: The Portal to Texas History

P.L. 94-171 County Block Map (2010 Census): Bowie County, Block 18

Parent map for Bowie 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: January 11, 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): Bowie County, Index

Index map for Bowie 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: January 11, 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): Bowie County, Block 16

Parent map for Bowie 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: January 11, 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): Bowie County, Block 17

Parent map for Bowie 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: January 11, 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): Bowie County, Block 14

Parent map for Bowie 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: January 11, 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): Bowie County, Block 15

Parent map for Bowie 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: January 11, 2011
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History
Improvement in Plows. (open access)

Improvement in Plows.

Patent for improved plow-stock applying multiple plow-irons to the same plow-frame.
Date: February 11, 1873
Creator: Love, John
Object Type: Patent
System: The Portal to Texas History