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Rockwall Quadrangle
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 1:31680
Date:
1912
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Rockwall Quadrangle
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 1:31680
Date:
1912
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Whiffletree
Patent for a whiffletree that equalizes the draft pressure on the beam.
Date:
July 2, 1912
Creator:
Sledge, Henry B.
Object Type:
Patent
System:
The Portal to Texas History
Putty-Trowel.
Patent for a putty trowel for use in installing windows.
Date:
March 5, 1912
Creator:
Wright, Sam F.
Object Type:
Patent
System:
The Portal to Texas History
Cotton Elevator and Distributer
Patent for a cotton elevator and distributor. Illustrations included.
Date:
September 3, 1912
Creator:
Ellenburg, Joseph N. & Nelson, Alexander
Object Type:
Patent
System:
The Portal to Texas History