Resource Type
Collection
Texas Attorney General Opinions
1,744
Technical Report Archive and Image Library
190
National Advisory Committee for Aeronautics Collection
173
Government Documents A to Z Digitization Project
40
USDA Farmers' Bulletins
33
Texas State Publications
15
Government Documents General Collection
11
USGS Topographic Map Collection
9
United States Experiment Station Record
3
Texas County Inventories
2
11 More
Serial/Series Title
NACA Technical Notes
63
NACA Technical Memorandums
41
NACA Technical Reports
35
Farmers' bulletin (United States. Dept. of Agriculture)
29
NACA Special Reports
23
Leaflet (United States. Department of Agriculture)
18
Farm Credit Administration Bulletins
10
NACA Wartime Reports
10
United States Bureau of Mines Reports
9
Monthly Report of the Attorney General of the State of Texas
8
37 More
States
2,034 Matching Results
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An approximate spin design criterion for monoplanes
"A quantitative criterion of merit has been needed to assist airplane designers to incorporate satisfactory spinning characteristics into new designs. An approximate empirical criterion, based on the projected side area and the mass distribution of the airplane, has been formulated in a recent British report. In the present paper, the British results have been analyzed and applied to American designs. A simpler design criterion based solely on the type and the dimensions of the tail, has been developed: it is useful in a rapid estimation of whether a new design is likely to comply with the minimum requirements for safety in spinning" (p. 1).
Date:
June 1939
Creator:
Seidman, Oscar & Donlan, Charles J.
Object Type:
Report
System:
The UNT Digital Library
The Unsteady Lift of a Finite Wing
Note discussing the lift of a finite wing including the calculations and constants for each step of the lift. This information is compared against the lift of an infinite wing. From Summary: "Unsteady lift function for wings of finite aspect ratio have been calculated by approximate methods involving corrections of the aerodynamic inertia and of the angle of the infinite wing. The starting lift of the finite wing is found to be only slightly less than that of the infinite wing; whereas the final lift may be considerably less. The calculations indicate that the distribution of lift near the start is similar to the final distribution."
Date:
January 1939
Creator:
Jones, Robert T.
Object Type:
Report
System:
The UNT Digital Library
Pressure drop in tank and float vent tubes on diving airplanes
Report presenting an experiment regarding tank and float venting conditions that exist on diving airplanes undergoing rapid changes in altitude. The results indicated that large pressure differences build up between the outside and inside of tanks and floats on diving airplanes unless the correct size of venting tube is used.
Date:
January 1939
Creator:
Waldron, C. D.
Object Type:
Report
System:
The UNT Digital Library
Marketing hay by modern methods.
Provides a description of marketing methods, trade rules, and suggestions for selling and shipping hay. Includes sample forms.
Date:
1939
Creator:
Collier, G. A.
Object Type:
Book
System:
The UNT Digital Library
Nomenclature for Aeronautics
The nomenclature for aeronautics presented in this Report No. 474 is a revision of the last previous report on this subject (i.e., Report no. 240.) This report is published for the purpose of encouraging greater uniformity and precision in the use of terms relating to aeronautics, both in official documents of the Government and in commercial publications. Terms in general use in other branches of engineering have been included only where they have some special significance in aeronautics, or form an integral part of its terminology.
Date:
1939
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Corrugated Metal Diaphragms for Aircraft Pressure-Measuring Instruments
Note presenting a description of a large number of corrugated diaphragms of beryllium copper, phosphor bronze, and Z-nickel with geometrically similar outlines but various diameters and thicknesses were formed by hydraulic pressing. The apparatus and technique used in the manufacture, testing, and heat treatment are described. Results regarding pressure-deflection curves, load limit, effect of center reinforcing, snap-action diaphragms, deflection traverse, thickness variations, and concentrated central loads are provided.
Date:
November 1939
Creator:
Wildhack, W. A. & Goerke, V. H.
Object Type:
Report
System:
The UNT Digital Library
Dwarf Fruits.
Describes methods for propagating dwarf fruit trees, and the steps necessary to maintain them.
Date:
February 1939
Creator:
Gould, H. P.
Object Type:
Book
System:
The UNT Digital Library
Controlling Kidney Worms in Swine in the Southern States.
Describes the life cycle of the kidney worm and explains how to control the worm in swine in the southern United States.
Date:
August 1939
Creator:
Schwartz, Benjamin, 1889-
Object Type:
Book
System:
The UNT Digital Library
Strawberry Clover.
Describes the growth of strawberry clover in fields, its benefits and tolerance, and steps for planting, cultivating, and seed production.
Date:
July 1939
Creator:
Hollowell, E. A. (Eugene Amos)
Object Type:
Book
System:
The UNT Digital Library
Eradication of the Cultivated Black Currant in White Pine Regions.
Describes how black currant plants help spread blister rust and the steps that can be taken to prevent blister rust among white pines by eradicating black currant.
Date:
February 1939
Creator:
Martin, J. F.
Object Type:
Book
System:
The UNT Digital Library
Centipedes and Millipedes in the House.
Describes the different types of centipedes and millipedes found in the home, and methods for control.
Date:
1939
Creator:
Back, E. A. (Ernest Adna), 1886-
Object Type:
Book
System:
The UNT Digital Library
Reservoir Characteristics of the Eunice Oil Field, Lea County, New Mexico
Report issued by the U.S. Bureau of Mines on the oil and gas production of the Eunice oil field in southeastern New Mexico. Properties of the oil field, and analysis of the oil and gas produced are presented. This report includes tables, maps, illustrations, and photographs.
Date:
July 1939
Creator:
Anderson, C. C.; Hinson, H. H. & Schroeder, H. J.
Object Type:
Report
System:
The UNT Digital Library
Greenhouse construction and heating.
Describes how to build and properly heat greenhouses for growing flowers and vegetables year-round.
Date:
1939
Creator:
Beattie, James H. (James Herbert), b. 1882
Object Type:
Book
System:
The UNT Digital Library
Chrysanthemums for the home.
Discusses chrysanthemum-growing in terms of soil and air requirements, annual division and replanting, types of blooms, and insect enemies.
Date:
1939
Creator:
Morrison, B. Y. (Benjamin Yoe), 1891-1966
Object Type:
Book
System:
The UNT Digital Library
Kudzu: A Forage Crop for the Southeast.
Describes the characteristics of the kudzu vine, the best areas for its growth, and the benefits of using it in the southeastern United States.
Date:
September 1939
Creator:
Pieters, A. J.
Object Type:
Book
System:
The UNT Digital Library
A Graphic Summary of Farm Animals and Animal Products: (Based Largely on the Census of 1930 and 1935)
Describes the use, value, and production of farm animals.
Date:
February 1939
Creator:
Baker, O. E. (Oliver Edwin), 1883-1949
Object Type:
Book
System:
The UNT Digital Library
Fire-protective construction on the farm.
Describes the damage that can occur to property and people as a result of fire; and discusses various farm construction projects that prevent a fire or offer protection should a fire occur.
Date:
April 1939
Creator:
United States. Bureau of Chemistry and Soils.
Object Type:
Book
System:
The UNT Digital Library
The horse bots and their control.
Provides advice on horse bot control for use by horse breeders and farmers.
Date:
1939
Creator:
Bishopp, F. C. (Fred Corry), 1884-1970 & Dove, Walter E., b. 1894
Object Type:
Book
System:
The UNT Digital Library
Growing Root Crops for Livestock.
Describes varieties of root crops to grow for livestock feed, and provides methods for efficient cultivation and production.
Date:
1939
Creator:
Westover, H. L. (Harvey Leroy); Schoth, H. A. (Harry August), b. 1891 & Semple, Arthur T. (Arthur Truman), 1895-
Object Type:
Book
System:
The UNT Digital Library
The Iron and Steel Industries of Europe
Report describing the iron and steel industries in Europe, including the availability of raw material sand the economic set-up of each nation covered.
Date:
1939
Creator:
Wright, Charles Will
Object Type:
Report
System:
The UNT Digital Library
Report on the Agricultural Experiment Stations, 1938
Volume provides a summary of the progress of each agricultural experiment station. Also includes statistics and selected studies.
Date:
April 1939
Creator:
United States. Office of Experiment Stations.
Object Type:
Book
System:
The UNT Digital Library
Determination of the Profile Drag of an Airplane Wing in Flight at High Reynolds Numbers
Report presenting flight tests to determine the profile-drag coefficients of a portion of the original wing surface of an all-metal airplane and a portion of the wing made aerodynamically smooth and more nearly fair than the original section. Tests were also carried out to determine the point of transition from laminar to turbulent boundary layer and to determine the velocity distribution along the upper surface of the wing.
Date:
1939
Creator:
Bicknell, Joseph
Object Type:
Report
System:
The UNT Digital Library
Tests in the gust tunnel of a model of the XBM-1 airplane
Report presenting testing of a dynamically scaled model of a Navy XBM-1 biplane in the gust tunnel to provide data for use in determining the structure of atmospheric gusts from measurements of the motions of the full-scale airplane in rough air. Records for two flights for several gradients were evaluated to give histories of events during passage through the gust.
Date:
October 1939
Creator:
Donely, Philip & Shufflebarger, C. C.
Object Type:
Report
System:
The UNT Digital Library
Journal of the Senate of the State of Texas, Regular Session of the Forty-Sixth Legislature
The Journal contains the proceedings of the Senate of Texas including legislation, reports, discussions, votes, and points-of-order. Some volumes also contain supplementary materials. The index begins on page 2321.
Date:
1939
Creator:
Texas. Legislature. Senate.
Object Type:
Legislative Document
System:
The Portal to Texas History