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30 Matching Results
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Boring-Tool.
Patent for "a boring tool for boring scarred and worn engine cylinders" (lines 14-15) that allows for more customization when cutting.
Date:
January 4, 1921
Creator:
Adams, George Reese.
Object Type:
Patent
System:
The Portal to Texas History
Oil-Burner.
Patent for an oil-burner used to provide a structure of low cost material that allows thorough heating of the oil to accommodate the conversion to gas and combustion for flame at the orifice.
Date:
March 8, 1921
Creator:
Daily, William T.
Object Type:
Patent
System:
The Portal to Texas History
Cotton Blocker
Patent for cotton blockers that prevent crops from becoming covered in soil during the harvesting process.
Date:
February 15, 1921
Creator:
Fowler, Alonzo. J.
Object Type:
Patent
System:
The Portal to Texas History
[Letter from H. C. Gaertner to R. Osthoff, October 3, 1927]
Handwritten letter from H. C. Gaertner to R. Osthoff, delivering requested documents.
Date:
October 3, 1927
Creator:
Gaertner, H. C.
Object Type:
Letter
System:
The Portal to Texas History
[Letter from H. C. Gaertner to R. Osthoff, October 5, 1927]
Letter from H. C. Gaertner to R. Osthoff regarding a series of decisions made by their supervisory committee.
Date:
October 5, 1927
Creator:
Gaertner, H. C.
Object Type:
Letter
System:
The Portal to Texas History
[Letter from H. C. Gaertner to R. Osthoff, October 22, 1927]
Letter from H. C. Gaertner to R. Osthoff, handwritten in German.
Date:
October 22, 1927
Creator:
Gaertner, H. C.
Object Type:
Letter
System:
The Portal to Texas History
[Letter from H. C. Gaertner to R. Osthoff, September 16, 1927]
Letter from H. C. Gaertner to R. Osthoff, handwritten in German.
Date:
September 16, 1927
Creator:
Gaertner, H. C.
Object Type:
Letter
System:
The Portal to Texas History
[Letter from H. C. Gaertner to K. G. Manz, April 22, 1926]
Letter from R. C. Gaertner to K. G. Manz, regarding construction work.
Date:
April 22, 1926
Creator:
Gaertner, R. C.
Object Type:
Letter
System:
The Portal to Texas History
Draft Attatchment For Tractors.
Patent for Draft Attachment For Tractors for the improvement of farming tractors. This invention includes adding machinery to allow interchangeable farming tools for a wide variety of uses.
Date:
October 26, 1920
Creator:
Gaida, Wale
Object Type:
Patent
System:
The Portal to Texas History
Blum 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 1:62500
Date:
1927
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Blum 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 1:62500
Date:
1927
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Cleburne 3-B 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 1:48000
Date:
1924
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Cleburne 3-C 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 1:48000
Date:
1924
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Cleburne 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:
1921
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Waco 2-b 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 1:48000
Date:
1924
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Waco 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:
1921
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
[Letter from K. G. Manz to R. C. Gaertner, April 14, 1928]
Letter from K. G. Manz to R. C. Gaertner, reporting a list of boys promised to attend a new school, as well as a list of pledges from supporters.
Date:
April 14, 1926
Creator:
Manz, K. G.
Object Type:
Letter
System:
The Portal to Texas History
Hill County
Blue line print of survey map of Hill County, Texas, showing rivers, creeks, original land grants or surveys, cities, towns, and railroads. Scale [ca. 1:200,000] (6000 varas to the inch).
Date:
1922
Creator:
Matzow, Fr.
Object Type:
Map
System:
The Portal to Texas History
Oil-Burner.
Patent for oil burner that simultaneously ignites and vaporizes liquid fuel.
Date:
August 16, 1921
Creator:
Mills, V.H.
Object Type:
Patent
System:
The Portal to Texas History
Oil-Burner.
Patent for "an improved apparatus for and method of consuming liquid fuel", particularly low-cost heavy oils that are more difficult to burn.
Date:
August 16, 1921
Creator:
Mills, Virgil H. & Mills, John H. T.
Object Type:
Patent
System:
The Portal to Texas History
Oil Burner
Patent for an oil burner. This oil burner is designed to consume fuel in a cheaper and more economical manner.
Date:
March 14, 1922
Creator:
Mills, Virgil H. & Mills, John H. T.
Object Type:
Patent
System:
The Portal to Texas History
[Carbon Copy of Letter from R. Osthoff to H. C. Gaertner, September 28, 1927]
Carbon copy of letter from R. Osthoff to H. C. Gaertner, discussing the matter of Mr. Pfotenhauer.
Date:
September 28, 1927
Creator:
Osthoff, R.
Object Type:
Letter
System:
The Portal to Texas History
Mount Calm 1921 Sheet 1
Sanborn map sheet showing an area of Mount Calm in Hill 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
Mount Calm 1921 Sheet 2
Sanborn map sheet showing an area of Mount Calm in Hill 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