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Automatic Controller for Cotton Trampers
Patent for an automatic controller of cotton tramplers intended to improve piston performance and reduce need for attendant intervention.
Date:
June 1, 1915
Creator:
Troy W. Sparks
Object Type:
Patent
System:
The Portal to Texas History
Plow
Patent for improvements to plows with laterally extending adjustable wings, as well as other different styles of plow and cultivator standards, with illustration.
Date:
March 9, 1915
Creator:
Armentraut, Richard B.
Object Type:
Patent
System:
The Portal to Texas History
Hayrick 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:
1915
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History