Collection
Serial/Series Title
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5 Matching Results
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5
Fort Worth 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:
1918
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Granbury 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:
1918
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Incubator Regulator.
Patent for an incubator with an automatic regulator for the flame of an incubator or heating lamp. The invention also provides an improved regulator arranged to raise or lower the wick of an incubator lamp in accordance with the heat in the incubator itself.
Date:
January 15, 1918
Creator:
Harris, Luster. F. & Williams, Walter. L.
Object Type:
Patent
System:
The Portal to Texas History
Cotton-Gin or Linting-Machine
Patent for machine to "provide means for removing lint cotton from the gin saw teeth" (lines 11-12) and "provide efficient means for taking care of the cotton after it leaves the saw teeth." (lines 14-19)
Date:
December 3, 1918
Creator:
Hodo, Wesley A. J.
Object Type:
Patent
System:
The Portal to Texas History
Resilient Wheel.
Patent for improvements to resilient wheels with shock-absorbing elements in the hub.
Date:
January 22, 1918
Creator:
Robertson, Walter E.
Object Type:
Patent
System:
The Portal to Texas History