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589 Matching Results
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Antiskid Device
Patent for reinforcing the hinge of an antiskid device. Long studs on heavy foot plates on tires are used to brace the hinges not allowing them to wear down by dragging on the road surface.
Date:
February 17, 1920
Creator:
Smith, Ross
Object Type:
Patent
System:
The Portal to Texas History
Combined Swingletree and Evener.
Patent, including illustrations, for improvements to combined swingletrees and eveners, tools used to equalize strain between a draft animal and vehicle, "which is easily and simply constructed, inexpensive to manufacture, and one which will be very efficient in operation" (lines 22-25).
Date:
March 16, 1920
Creator:
White, Floyd N.
Object Type:
Patent
System:
The Portal to Texas History
Boll Weevil Catcher.
Patent for an insect-catching device with collection receptacles that operates on skids for better maneuverability in fields.
Date:
March 30, 1920
Creator:
Stukes, John Marion
Object Type:
Patent
System:
The Portal to Texas History
Bank-Check Writer.
Patent for a new and useful improvements in Bank-Check Writers. With this device, a blank check may be inserted and the name of the payee and the amount in figures will be typewritten.
Date:
May 18, 1920
Creator:
Wendelken, Charles
Object Type:
Patent
System:
The Portal to Texas History
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
Auto Steering-Lock
Patent for a lock designed to attach to the spokes of a steering wheel with the intention of guarding it from "unauthorized persons" (line 20), including illustrations.
Date:
June 1, 1920
Creator:
Cosby, Luther F.
Object Type:
Patent
System:
The Portal to Texas History
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
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
Aeroplane.
Patent for a new and useful airplane that provides the ability of the aircraft to take off from the ground at an abrupt angle. The aircraft has a supplemental propeller and jointed body to direct the machine upward in an abrupt ascent, making it especially useful in wooded areas or where obstructions prevent normal take-off.
Date:
February 3, 1920
Creator:
Cartwright, Andrew
Object Type:
Patent
System:
The Portal to Texas History
Soil map, Texas, Lubbock County sheet
Map displays soil types along with creeks, experiment farms, towns, schools, roads, and railroads. Includes legend and symbols.
Date:
1920
Creator:
United States. Bureau of Soils.
Object Type:
Map
System:
The Portal to Texas History
Soil survey of Lubbock County, Texas
Text describes the climate, agriculture, and soils of Lubbock County, Texas.
Date:
1920
Creator:
Veatch, J. O. (Jethro Otto) & Lewis, H. G. (Henry Guy)
Object Type:
Book
System:
The Portal to Texas History
Van Horn 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
Mexia 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:
1920
Creator:
United States. Army. Corps of Engineers.
Object Type:
Map
System:
The Portal to Texas History
Smithsons Valley 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:
1920
Creator:
United States. Army. Corps of Engineers.
Object Type:
Map
System:
The Portal to Texas History
Hamilton 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
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
Ballinger 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
Mart 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:
1920
Creator:
United States. Army. Corps of Engineers.
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
Stephenville 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:
United States. Army. Corps of Engineers.
Object Type:
Map
System:
The Portal to Texas History
Cowpeas: Culture and Varieties
Report discussing the cowpea, a leguminous crop often grown in the Southern United States. Topics discussed include its several varieties, fertilizers, methods of sowing, and diseases.
Date:
1920
Creator:
Morse, W. J. (William Joseph), b. 1884
Object Type:
Pamphlet
System:
The UNT Digital Library