Collection
Technical Report Archive and Image Library
196
National Advisory Committee for Aeronautics Collection
174
Texas Patents
145
USDA Farmers' Bulletins
47
Government Documents A to Z Digitization Project
19
USGS Topographic Map Collection
15
The Federal Reporter
8
Texas State Publications
7
Texas Soil Surveys
4
United States Experiment Station Reports
2
3 More
Serial/Series Title
NACA Technical Memorandums
122
NACA Technical Notes
46
Farmers' bulletin (United States. Dept. of Agriculture)
31
United States Bureau of Mines Reports
19
Farmers' bulletin (United States. Department of Agriculture)
15
National reporter system. United States series
8
The Federal Reporter
8
15 Minute Series (Topographic)
7
30 Minute Series
5
NACA Technical Reports
5
22 More
Degree Department
States
426 Matching Results
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Edwards Underground Water District Annual Report: 1992
Annual report of the Edwards Underground Water District describing goals, activities, and accomplishments during fiscal year 1922.
Date:
December 16, 1922
Creator:
Edwards Underground Water District (Tex.)
Object Type:
Report
System:
The Portal to Texas History
Adjustable Device for Dressing Down Bearings
Patent for a tool that dresses down bearings. Railroad engine journals and their corresponding bearings show wear over time. When replacing bearings into such a journal, without adaptation of the bearing there will be an improper fit, resulting in "hot journals" or "hot boxes". This tool adapts a bearing to a proper fit for the journal into which it will be installed.
Date:
December 12, 1922
Creator:
Mitchell, William A.
Object Type:
Patent
System:
The Portal to Texas History
Drill Bit and Sample Taking Device
Patent for
Date:
December 5, 1922
Creator:
Humason, Granville A. & Barraco, Paul J.
Object Type:
Patent
System:
The Portal to Texas History
Excavating Bucket.
Patent for an "excavating bucket designed for use in connection with an excavating machine" (lines 10-12).
Date:
December 5, 1922
Creator:
Dyke, Samuel
Object Type:
Patent
System:
The Portal to Texas History
Nutcracker.
Patent for nutcracker using lever-activation to increase the leverage while nut cracking, including instructions and illustrations
Date:
December 5, 1922
Creator:
Pitman, Henry M.
Object Type:
Patent
System:
The Portal to Texas History
Airplane performance, past and present
Report discussing the progress of airplane performance and measured by speed.
Date:
December 1922
Creator:
Warner, Edward P.
Object Type:
Report
System:
The UNT Digital Library
Balloon Fabrics Made of Goldbeater's Skins
Goldbeater's skin, which is the prepared outside membrane of the large intestine of an ox, is examined as a balloon fabric and details of how goldbeater's skin is prepared for use are provided. The construction techniques employed by Germany, France, and England are all discussed.
Date:
December 1922
Creator:
Chollet, L.
Object Type:
Report
System:
The UNT Digital Library
Commercial Airplanes and Seaplanes: Thick Wings or Thin Wings - All Metal or Mixed Construction
In this report we will consider, as the dominating characteristic, either the load carried, the speed, the radius of action, the fuel consumption, the activity of transport, or, lastly, the qualities of comfort and safety. The first four factors determine the theoretical efficiency, while the others determine its practical efficiency.
Date:
December 1922
Creator:
Point
Object Type:
Report
System:
The UNT Digital Library
The common white wheats.
Describes winter and spring varieties of white wheats and their production in the United States.
Date:
December 1922
Creator:
Clark, J. Allen (Jacob Allen), b. 1888; Martin, John H. (John Holmes), 1893- & Leighty, C. E. (Clyde Evert), b. 1882
Object Type:
Book
System:
The UNT Digital Library
Depreciation of Aircraft
Report presenting an examination of the concept that aircraft are essentially fragile and deteriorate rapidly when in service, which the author considers to be a misunderstanding due to the intense conditions occurring during war. Some examples of commercial airplane lines that have been running for several years and some potential deterioration costs that must be considered are provided.
Date:
December 1922
Creator:
Warner, Edward P.
Object Type:
Report
System:
The UNT Digital Library
Farmers' Telephone Companies: Organization, Financing and Management.
Explains how to organize and finance a rural telephone company.
Date:
December 1922
Creator:
Spasoff, I. M. (Ida M.) & Beardsley, H. S.
Object Type:
Book
System:
The UNT Digital Library
Foreign Material in Spring Wheat: How to Remove It on the Farm and at the Country Elevator.
Describes the foreign material that may be found in harvested wheat. Suggests methods for cleaning the wheat and describes a variety of cleaning machines.
Date:
December 1922
Creator:
Black, R. H. (Robert Henry), b. 1892 & Haller, C. R. (Charles Roy), 1894-
Object Type:
Book
System:
The UNT Digital Library
Further Information on the Laws of Fluid Resistance
Note presenting experiments with cylinders of different shapes and some of the strange phenomena that manifested in connection with the cylinder.
Date:
December 1922
Creator:
Wieselsberger, C.
Object Type:
Report
System:
The UNT Digital Library
How to grow alfalfa.
Describes the characteristics and benefits of alfalfa, and the proper steps for growing it successfully for seed and hay.
Date:
December 1922
Creator:
Oakley, R. A. (Russell Arthur) & Westover, H. L. (Harvey Leroy)
Object Type:
Book
System:
The UNT Digital Library
Influence of Design on Cost of Operating Airplanes
The author discusses cost of operating commercial airplanes and endeavors to clear up prevalent misunderstandings. Curves of operating cost for varying duration, speed, reserve horsepower, etc. are developed.
Date:
December 1922
Creator:
Black, Archibald
Object Type:
Report
System:
The UNT Digital Library
Lime-sulphur concentrate: preparation, uses and designs for plants.
Provides formulas and suggestions for preparing, storing, and using lime-sulphur concentrate, an insecticide and fungicide for plants.
Date:
December 1922
Creator:
Siegler, E. H. & Daniels, Ara Marcus, b. 1884
Object Type:
Book
System:
The UNT Digital Library
Billboard
Patent for billboards built for wind resistance.
Date:
November 28, 1922
Creator:
Kelly, Walter
Object Type:
Patent
System:
The Portal to Texas History
Electric Hairbrush
Patent for an improved electric hairbrush having an insulated electrical heating element and separately charged electrically conductive metallic bristles. The hairbrush is designed to straighten hair and/or to electrically treat a user's hair and scalp with a low-voltage current. A device in the handle allows the user to regulate the heating of the element.
Date:
November 28, 1922
Creator:
Harvey, Birdie
Object Type:
Patent
System:
The Portal to Texas History
Pump
Patent for improvements to pumps in working barrels, packing, and packing chambers, the purpose of which is to eliminate easily worn parts and improve the efficiency of these pumps, including illustrations.
Date:
November 28, 1922
Creator:
Kerr, Michael A.
Object Type:
Patent
System:
The Portal to Texas History
Shock Absorber
Patent for a new and improved shock absorber which is "primarily intended for use as a connecting and cushioning medium between the upper and lower springs commonly employed under automobile bodies" (lines 12-15), including illustrations.
Date:
November 28, 1922
Creator:
von Roeder, Benno Gilbert & Oates, Eugene Caroway
Object Type:
Patent
System:
The Portal to Texas History
Device for Washing Oil Wells.
Patent for "a device for washing, cleaning, and sterilizing oil wells" (lines 10-11), including illustrations.
Date:
November 21, 1922
Creator:
Smith, Edward D. & Smith, Rebah Tillery
Object Type:
Patent
System:
The Portal to Texas History
Knee Pad.
Patent for an improved knee pad, which provides better ventilation and cushioning to the knee, including illustrations.
Date:
November 21, 1922
Creator:
Rylander, Parrish H.
Object Type:
Patent
System:
The Portal to Texas History
Vehicle.
Patent for improvements to vehicle structure. This includes adjustments to the wheel base for better steering movements and vehicle capacity.
Date:
November 21, 1922
Creator:
Furlong, Martin J.
Object Type:
Patent
System:
The Portal to Texas History
Apparatus for Building Concrete Structures.
Patent for an apparatus for building concrete structures that includes the method or process of erection.
Date:
November 14, 1922
Creator:
Sands, Edward E.
Object Type:
Patent
System:
The Portal to Texas History