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Valentine Sheet
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 1:125000
Date:
1916
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Alpine Sheet
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 1:125000
Date:
1916
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Latch Device For The Doors of Steam-Shovels, Dredges, And The Like.
Patent for an improved latch mechanism that is easier to construct, operate, and easier to replace on "steam shovels, dredge dippers, or the like, and...to the class of tripping latches" (lines 11-13). Instruction and illustrations included.
Date:
April 11, 1916
Creator:
Watson, Joseph L.
Object Type:
Patent
System:
The Portal to Texas History