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12 Matching Results
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12
Coupling.
Patent for improvements to couplings for windmills specifically "for use in connecting the pump rod to the reciprocal rod of the windmill, so as to permit reciprocation of the wind mill rod independently of movement of the pump rod, and which also will permit the relatively quick and easy change from windmill power to engine power, such as gasolene engine or the like, for pumping water from wells" (lines 9-17) including instructions and illustrations.
Date:
March 29, 1921
Creator:
Regenier, John G.
Object Type:
Patent
System:
The Portal to Texas History
Eden 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:
1924
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
San Angelo 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:
1922
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Fort McKavett 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:
1928
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Mason 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:
1920
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Menard 1921 Sheet 4
Sanborn map sheet showing an area of Menard in Menard County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date:
1921
Creator:
Sanborn Map Company
Object Type:
Map
System:
The Portal to Texas History
Menard 1921 Sheet 5
Sanborn map sheet showing an area of Menard in Menard County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date:
1921
Creator:
Sanborn Map Company
Object Type:
Map
System:
The Portal to Texas History
Menard 1921 Sheet 3
Sanborn map sheet showing an area of Menard in Menard County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date:
1921
Creator:
Sanborn Map Company
Object Type:
Map
System:
The Portal to Texas History
Menard 1921 Sheet 1
Sanborn map sheet showing an area of Menard in Menard County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date:
1921
Creator:
Sanborn Map Company
Object Type:
Map
System:
The Portal to Texas History
Menard 1921 Sheet 2
Sanborn map sheet showing an area of Menard in Menard County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date:
1921
Creator:
Sanborn Map Company
Object Type:
Map
System:
The Portal to Texas History
Automatic Trough-Valve.
Patent for improvements in animal watering troughs that has an automatic float control valve in connection with the trough.
Date:
July 20, 1920
Creator:
Striegler, Fritz
Object Type:
Patent
System:
The Portal to Texas History
Windmill-Gearing
Patent for improved windmill gearing, intended to reduce stain on the machinery
Date:
April 13, 1920
Creator:
Roberts, George W.
Object Type:
Patent
System:
The Portal to Texas History