Concrete Wall Mold. (open access)

Concrete Wall Mold.

Patent for "a concrete wall mold which is so constructed as to produce a very strong wall having vertically extended channels which form ribs materially reinforcing the structure" (lines 10-14)
Date: June 11, 1920
Creator: Porter, Charles S.
Object Type: Patent
System: The Portal to Texas History
Combination Swing and Couch. (open access)

Combination Swing and Couch.

Patent for a piece of swinging furniture for infants and small children which can be converted between a seat and a couch. This device is designed to be collapsed and folded for easy storage, as well as to be cheap and easy to manufacture. Illustrations included.
Date: February 10, 1920
Creator: McDevitt, Leslie I.
Object Type: Patent
System: The Portal to Texas History
Casing-Head (open access)

Casing-Head

Patent for a casing head that is specially adapted for "use in connection with well drilling for letting the tubing down into the bore, and in withdrawing the tubing from the bore." (Lines 15-16), including illustrations.
Date: September 7, 1920
Creator: McGarry, Henry S. & Carr, John D.
Object Type: Patent
System: The Portal to Texas History
Crude-Oil Burner. (open access)

Crude-Oil Burner.

Patent for an improvement on a crude oil burner that can adapt to various grades of crude oil as well as providing intense heat to various sizes of boilers.
Date: May 11, 1920
Creator: Runyan, Benjamin F.
Object Type: Patent
System: The Portal to Texas History
Compound Air-Compressor. (open access)

Compound Air-Compressor.

Patent for an improved Compound Air-Compressor by having four cylinders, in pairings of a high pressure and a low pressure cylinders. The air from the low pressure cylinder will be fed to the high pressure cylinder. The pistons will work in succession rather than simultaneously.
Date: February 17, 1920
Creator: Jones, Oceola
Object Type: Patent
System: The Portal to Texas History
Apparatus for Treatment of Oil Emulsions. (open access)

Apparatus for Treatment of Oil Emulsions.

Patent for improvements in apparatus for treatment of oil emulsions by providing a means that will greatly assist in the separation of water from oil emulsions and which will aid the re-absorption or retention of gas.
Date: January 13, 1920
Creator: McKibben, Charles W.
Object Type: Patent
System: The Portal to Texas History
Combination Well-Packer and Setting-Tool. (open access)

Combination Well-Packer and Setting-Tool.

Patent for a well packer and setting tool for the prevention of intermingling between oil and water in a well when used by itself or with other pipes. The invention allows for the packer to be set using the setting tool which can then be removed once the packer is in place.
Date: January 6, 1920
Creator: Abercrombie, Jamie & Dunman, Nesbit M.
Object Type: Patent
System: The Portal to Texas History
Combustion-Gas and Crude-Oil Burner (open access)

Combustion-Gas and Crude-Oil Burner

Patent for a burner which can be used with either gas or oil, or both at once.
Date: May 11, 1920
Creator: Runyan, Benjamin F.
Object Type: Patent
System: The Portal to Texas History
Apparatus for Extracting Minerals from Ores. (open access)

Apparatus for Extracting Minerals from Ores.

Patent for an apparatus that extracts minerals, especially sulfur, from ores. The apparatus features new and useful improvements, creating an automatic extraction that separates the minerals in a pure state.
Date: January 13, 1920
Creator: Shires, George M.
Object Type: Patent
System: The Portal to Texas History

Hockley 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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Harmaston 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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Almeda 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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Spring 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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Moonshine Hill 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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Huffman 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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Genoa 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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Fauna 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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

La Porte 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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Highlands 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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Seabrook 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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Satsuma 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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Louetta 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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Mykawa 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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Waller 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 1:31680
Date: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History