Collection
Technical Report Archive and Image Library
1,055
National Advisory Committee for Aeronautics Collection
620
Office of Scientific & Technical Information Technical Reports
504
TRAIL Microcard Collection
248
Texas Attorney General Opinions
183
Texas State Publications
23
Government Documents A to Z Digitization Project
12
Government Documents General Collection
10
USDA Farmers' Bulletins
7
Boy and Girl Scout Annual Reports
4
3 More
Serial/Series Title
NACA Research Memorandums
384
NACA Technical Notes
187
Atomic Energy Commission Reports
137
United States Geological Survey Reports
99
Trace elements investigations report
75
Hanford Works Reports
64
University of California Radiation Laboratory Reports
55
Oak Ridge National Laboratory Reports
40
HW (Series)
39
NACA Technical Memorandums
26
103 More
States
1,794 Matching Results
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The Imported Fire Ant: How to Control It.
Describes the characteristics of fire ants, the damage they cause, and methods for control.
Date:
April 1958
Creator:
United States. Entomology Research Division.
Object Type:
Book
System:
The UNT Digital Library
Recipes for Evaporated Apple Rings.
Provides recipes using evaporated apple rings as the main ingredient. (Evaporated apples contain more moisture than traditional dried apples.)
Date:
April 1950
Creator:
Kirkpatrick, Mary E. & Murray, Hazel B.
Object Type:
Pamphlet
System:
The UNT Digital Library
Farm fences.
Describes the varieties, the cost, and the construction of fences and fence posts.
Date:
April 1954
Creator:
Molander, Edward G.
Object Type:
Book
System:
The UNT Digital Library
Filters and Screens for Irrigation Wells.
Describes the purpose of having filters and screens as part of an irrigation system, and how to properly select and install them.
Date:
April 1959
Creator:
Robinson, A. R. (August Robert), b. 1921
Object Type:
Book
System:
The UNT Digital Library
Insects and diseases of the pecan and their control.
Describes the characteristics of insects that are damaging to the pecan tree, and methods for their control.
Date:
April 1954
Creator:
Osburn, Max R. (Max Raymond), 1901-; Phillips, A. M.; Pierce, W. C. (William Clinton), 1906-1965. & Cole, J. R. (John Rufus), 1900-
Object Type:
Book
System:
The UNT Digital Library
Kill barberry bushes that spread stem rust to grains.
Describes how to recognize rust-spreading barberry bushes and how to kill them. Explains how doing so can be beneficial both to individual farmers and the national economy.
Date:
April 1950
Creator:
United States. Division of Plant Disease Control.
Object Type:
Book
System:
The UNT Digital Library
Nematode disease of wheat and rye.
This document describes the nematode disease of wheat and rye, including: symptoms, cause, geographic distribution, and methods of control of the disease.
Date:
April 1957
Creator:
Leukel, R. W.
Object Type:
Book
System:
The UNT Digital Library
Report on the Agricultural Experiment Stations, 1954
Volume provides a summary of the progress of each agricultural experiment station. Also includes statistics, discussions of foreign investigations, and selected studies.
Date:
April 1955
Creator:
United States. Office of Experiment Stations.
Object Type:
Book
System:
The UNT Digital Library
Expansible Farmhouses.
Leaflet showing a floor plan, an illustration, and examples of drawings to be used in constructing an expansible farmhouse. Complete plans were distributed through agricultural extension services.
Date:
April 1951
Creator:
United States. Bureau of Plant Industry, Soils, and Agricultural Engineering.
Object Type:
Book
System:
The UNT Digital Library
Food values in common portions.
Provides composition tables for a variety of foods, and a table of daily dietary allowances for adults and children.
Date:
April 1951
Creator:
United States. Bureau of Human Nutrition and Home Economics.
Object Type:
Book
System:
The UNT Digital Library
Selling black walnut timber.
A guide to grading and selling black walnut logs for lumber.
Date:
April 1959
Creator:
Brush, Warren David, 1881-
Object Type:
Book
System:
The UNT Digital Library
Potato growing in the South.
Provides detailed information on potato farming in 13 different southern states including cultivation and soil conservation practices, and identifying and controlling diseases and insects.
Date:
April 1956
Creator:
Dykstra, Theodore P. (Theodore Peter), 1896-1979 & Reid, W. J. (William John), 1902-
Object Type:
Book
System:
The UNT Digital Library
The dairy herd improvement association program.
A guide to organizing and operating a dairy-herd-improvement association for the purpose of maintaining records used to improve the profitability of herds.
Date:
April 1953
Creator:
Kendrick, J. F. (James Frank), 1904-
Object Type:
Book
System:
The UNT Digital Library
Hazards Summary Report on the Oxide Critical Experiments
Report describing a zero-power reactor facility (ZPR-VII), its systems, and associated hazards.
Date:
April 1957
Creator:
Redman, W. C.; Thie, J. A. & Dates, L. R.
Object Type:
Report
System:
The UNT Digital Library
Progress Report on AEC Contract on Research and Development Program on Scintillation Crystals: Period 1 January 1956 to 1 April 1956
From Abstract: "This report covers the preliminary literature survey and the screening of activated cesium iodide and several alkali halides to qualitatively determine their luminerscence. The report also includes a proposal of the future work and a proposed budget for the 1957 fiscal year."
Date:
April 25, 1956
Creator:
Beadle, Robert
Object Type:
Report
System:
The UNT Digital Library
Preliminary Analysis of a Nuclear Powered Supersonic Airplane Using Ramjet Engines
Report discussing performance estimates for several airplanes using General Electric AC-210 ramjet nuclear-powered engines. Assumptions used for designing the engines, radiation shield, and airframe are described. Potential tradeoffs in regards to power and weight reduction are also discussed.
Date:
April 11, 1958
Creator:
Weber, Richard J. & Connolley, Donald J.
Object Type:
Report
System:
The UNT Digital Library
Hydrogen for Turbojet and Ramjet Powered Flight
Memorandum presenting various reports regarding the use of hydrogen for turbojet and ramjet powered flight. Some of the characteristics considered include the combustion properties, potential fueling problems, and flight experience with hydrogen on-board.
Date:
April 26, 1957
Creator:
Lewis Flight Propulsion Laboratory
Object Type:
Report
System:
The UNT Digital Library
High Altitude Performance Investigation of J65-B-3 Turbojet Engine With Both JP-4 and Gaseous Hydrogen Fuels
Memorandum presenting an investigation to determine the performance of the J65-B-3 turbojet engine with JP-4 and gaseous-hydrogen fuels. With JP-4 fuel, the maximum altitude for stable combustion was from about 60,000 to 65,000 feet, and the ultimate blowout limit was at an altitude of about 75,000 feet. The steady-state performance with either fuel decreased considerably with increasing altitude.
Date:
April 2, 1957
Creator:
Kaufman, Harold R.
Object Type:
Report
System:
The UNT Digital Library
Effect of Combustion Gas Properties on Turbojet-Engine Performance With Hydrogen as Fuel
Memorandum presenting an analysis comparing engine performance determined by use of a method involving adjustment of engine cycle calculations using JP-4 fuel with performance obtained using hydrogen as a fuel.
Date:
April 10, 1956
Creator:
English, Robert E.
Object Type:
Report
System:
The UNT Digital Library
Transonic Flutter Investigation of Models of the Sweptback Wing of a Fighter Airplane
Memorandum presenting a transonic flutter investigation of models of the wing of a current fighter airplane. The models were dynamically and elastically scaled in accordance with criteria which include a flutter safety margin. Results regarding the presentation of data, interpretation of results, wings without leading-edge chord-extensions, and wings with leading-edge chord-extensions are provided.
Date:
April 15, 1958
Creator:
Smith, Samuel L., III & Boswinkle, Robert W., Jr.
Object Type:
Report
System:
The UNT Digital Library
Experimental Performance of a 5000-Pound-Thrust Rocket Chamber Using a 20-Percent-Fluorine - 80-Percent-Oxygen Mixture With RP-1
Memorandum presenting an evaluation of the performance increase resulting from the addition of 20 percent fluorine to the oxygen-RP-1 propellant combination in a 5000-pound-thrust rocket engine at a chamber pressure of 650 pounds per square inch absolute. Runs were made with the engine water cooled and regeneratively cooled.
Date:
April 24, 1957
Creator:
Tomazic, William A.; Kutina, Franklin J., Jr. & Rothenberg, Edward A.
Object Type:
Report
System:
The UNT Digital Library
Combustion of gaseous hydrogen at low pressures in a 35 degree sector of a 28-inch-diameter ramjet combustor
Report presenting testing of gaseous hydrogen fuel burned in a connected-pipe combustor with a cross section equal to 35 degrees sector of a 28-inch diameter. Eleven shrouded fuel-injector configurations were used to obtain combustion data at specified high-altitude ramjet combustor conditions. Results regarding shroud air blockage, mixing tabs, higher equivalence-ratio burning, injector size, flameholder durability, burner length, combustion efficiency, and temperature profile are provided.
Date:
April 22, 1958
Creator:
Kerslake, William R.
Object Type:
Report
System:
The UNT Digital Library
Analysis of Flight-Determined and Predicted Effects of Flexibility on the Steady-State Wing Loads of the B-52 Airplane
Memorandum presenting an investigation of the steady-state wing loads conducted on a Boeing B-52 airplane over a range of Mach numbers and altitudes. Results regarding flight tests and air-load calculations are provided.
Date:
April 23, 1958
Creator:
Kuhl, Albert E.; Rogers, John T. & Little, Mary V.
Object Type:
Report
System:
The UNT Digital Library
Effects of Components and Various Modifications on the Drag and the Static Stability and Control Characteristics of a 42 Deg Swept-Wing Fighter-Airplane Model at Mach Numbers of 1.60 to 2.50
Wind tunnel testing of swept wing fighter aircraft model for determining drag and static longitudinal and lateral stability and control characteristics. Results regarding performance, longitudinal stability, lateral stability, and strakes are provided.
Date:
April 15, 1959
Creator:
Church, James D.
Object Type:
Report
System:
The UNT Digital Library