Collection
Counties
4 Matching Results
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Limestone County
Map of Limestone County, Texas, including the Prairies and Lakes region. Scale ca. 1:133,334 (4000 varas per inch).
Date:
January 26, 1858
Creator:
Martin, Joseph
Object Type:
Map
System:
The Portal to Texas History
Improvement in Plows.
Patent for the improvement of the Rotary-Disk Cutters for plows that enable it to swivel and be supported by guides, including illustration.
Date:
April 3, 1855
Creator:
Hall, Thomas J.
Object Type:
Patent
System:
The Portal to Texas History
Improvement in Gang-Plows.
Patent for the improvement of the gang plow by the plows arrangement and pivoted beams to be adjustable for convenience, including illustration.
Date:
May 1, 1855
Creator:
Hall, Thomas J.
Object Type:
Patent
System:
The Portal to Texas History
Improved Cultivating-Plow.
Patent for a cultivating plow with a series of cutting-disks and digging-hoes, including illustration.
Date:
March 25, 1856
Creator:
Crenshaw, Micajah
Object Type:
Patent
System:
The Portal to Texas History