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Technical Report Archive and Image Library
381
National Advisory Committee for Aeronautics Collection
318
Texas Attorney General Opinions
312
Office of Scientific & Technical Information Technical Reports
77
TRAIL Microcard Collection
36
World War Two Collection
23
Texas State Publications
17
World War Two Newsmaps
16
Government Documents A to Z Digitization Project
13
Boy and Girl Scout Annual Reports
9
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831 Matching Results
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METHODS FOR THE ANALYSIS OF BERYLLIUM CARBIDE
Analytical methods are given for determining the composition and impurities of beryllium carbide. A summary of the experimental work leading to these procedures and supporting data are also presented. Analytical procedures for the determination of free and combined carbon, moisture, nitrogen, beryllium oxide, silica, iron, total beryllium, and beryllium metal are outlined. Diagrams of special apparatus used are included. (auth)
Date:
March 21, 1949
Creator:
Bridges, W.L.; Funston, E.S. & Reed, S.A.
Object Type:
Report
System:
The UNT Digital Library
Ultraviolet spectrochemical analysis for aromatics in aircraft fuels
Report presenting tests to verify and extend ultraviolet spectroscopic techniques for applications to the analysis of aviation fuels for their aromatic constituents. Results regarding photographic absorption spectra, spectrophotometric absorption spectra, and spectrophotometric analyses are provided.
Date:
March 1945
Creator:
Cleaves, Alden P.
Object Type:
Report
System:
The UNT Digital Library
On the Flow of a Compressible Fluid by the Hodography Method 1: Unification and Extension of Present-Day Results
Report presenting elementary basic solutions of the equations of motion of a compressible fluid in the hodograph variables are developed and used to provide a basis for comparison in the form of velocity correction formulas, of corresponding compressible and incompressible flows.
Date:
March 1944
Creator:
Garrick, I. E. & Kaplan, Carl
Object Type:
Report
System:
The UNT Digital Library
An Investigation of Aircraft Heaters 9: Measured and Predicted Performance of Two Exhaust Gas-Air Heat Exchangers and an Apparatus for Evaluating Exhaust Gas-Air Heat Exchangers
Report presenting laboratory testing to determine the thermal output and pressure drop characteristics of the Airesearch and Solar fluted-type exhaust gas-air heat exchangers. The apparatus used in these tests consisted of a natural gas furnace of 3,000,000 Btu per hour thermal capacity, a centrifugal blower, and a system of ducting and various measuring devices. Results regarding the method of analysis, the Airesearch heat exchanger tests, the solar heat exchanger tests, and a comparison of the two heat exchangers are provided.
Date:
March 1943
Creator:
Boelter, L. M. K.; Miller, M. A.; Sharp, W. H.; Morrin, E. H.; Iversen, H. W. & Mason, W. E.
Object Type:
Report
System:
The UNT Digital Library
The effect of altitude on cooling
Report presenting variables that control the cooling of liquid-cooled and air-cooled engines and then to show by illustrations how either engine may be cooled at any desired altitude. Cooling was found to not be the limiting factor in the design of high-altitude airplanes and was also not found to be a valid reason for selecting either liquid- or air-cooled engines for high-altitude operation.
Date:
March 1943
Creator:
Brevoort, Maurice J.; Joyner, Upshur T. & Wood, George P.
Object Type:
Report
System:
The UNT Digital Library
Care and management of farm work horses.
Describes how to successfully manage and care for work horses on the farm to maximize serviceability and profitability.
Date:
March 1940
Creator:
Williams, J. O. (John Oscar), 1885- & Krantz, Earl B. (Earl Beach), 1893-
Object Type:
Book
System:
The UNT Digital Library
Cavalry drill regulations, mechanized.
Prescribes drills for general use by any type of mechanized cavalry unit. Also provides instructions for conducting ceremonies and inspections.
Date:
March 15, 1944
Creator:
United States. War Department.
Object Type:
Book
System:
The UNT Digital Library
A Theoretical Investigation of the Lateral Oscillations of an Airplane With Free Rudder With Special Reference to the Effect of Friction
Report presenting charts showing the variation in dynamic stability with the rudder hinge-moment characteristics. A stabilizing rudder floating tendency combined with a high degree of aerodynamic balance is shown to lead to oscillations of increasing amplitude.
Date:
March 1943
Creator:
Greenberg, Harry & Sternfield, Leonard
Object Type:
Report
System:
The UNT Digital Library
Conduct of field artillery fire using air observation.
"This manual covers the methods and procedure for the control of field artillery fire using air observation."
Date:
March 21, 1942
Creator:
United States. War Department.
Object Type:
Book
System:
The UNT Digital Library
Low-Temperature Distillation Yields of Primary Tar and Light Oil From Coals of Various Ranks and Types
Report issued by the U.S. Bureau of Mines on studies of the yields of primary tar and light oil. The combustion and carbonization of these yields are presented. This report includes tables, and graphs.
Date:
March 1944
Creator:
Ode, W. H. & Selvig, W. A.
Object Type:
Report
System:
The UNT Digital Library
Petroleum-Engineering Study of Sheridan Field, Colorado County, Texas
Report issued by the Bureau of Mines over petroleum-engineering studies conducted at the Sheridan oil field. The methods used for the study are presented and discussed. This report includes tables, maps, illustrations, and photographs.
Date:
March 1949
Creator:
Hill, Harry Blackburn & Vogel, Felix A., Jr.
Object Type:
Report
System:
The UNT Digital Library
Investigation of Zinc-Lead Deposits on Extensions of the Miami Trough, Ottawa County, Oklahoma, and Cherokee County, Kansas
Report issued by the Bureau of Mines over studies conducted on zinc-lead fields of Oklahoma and Kansas. Properties of the physical features, geology, and drilling are presented. This report includes tables, maps, and illustrations.
Date:
March 1949
Creator:
Knox, Clinton C.
Object Type:
Report
System:
The UNT Digital Library
Investigation of Whiteware Clay Deposit, Fergus County, Montana
Report issued by the Bureau of Mines over studies conducted on the Whiteware clay deposit. As stated in the introduction, "this report presents the factual data obtained by the investigation, which also includes data on trenching and drilling, and the results of some refractory tests and chemical analyses of representative samples of the clay later taken from some of the best trench exposures and from adit dumps" (p. 1-2). This report includes tables, maps, and illustrations.
Date:
March 1949
Creator:
Roby, R. N. & Robertson, Almon F.
Object Type:
Report
System:
The UNT Digital Library
Petroleum Engineering Study of the West Red River Field, Tillman County, Oklahoma
Report issued by the Bureau of Mines over studies conducted on petroleum engineering in Oklahoma. Details of the drilling operations are presented. This report includes tables, maps, and illustrations.
Date:
March 1949
Creator:
Hill, H. B.; Johnston, Kenneth H.; Coleman, T. L. & Seward, J. M.
Object Type:
Report
System:
The UNT Digital Library
Bucket-Drilling the Coso Mercury Deposit, Inyo County, California
Report issued by the Bureau of Mines on the Coso mercury deposits of Inyo County, and development of the bucket drill for obtaining samples. Descriptions of the physical features of the deposits are listed. This report includes tables, maps, photographs, and illustrations.
Date:
March 1948
Creator:
Dupuy, Leon W.
Object Type:
Report
System:
The UNT Digital Library
Beryl Mountain, Sullivan County, New Hampshire
Report issued by the Bureau of Mines over exploration of mineral deposits on Beryl Mountain. As stated in the introduction, "testing by surface cuts, trenching, and tunneling was conducted by the Bureau of Mines from August to December 1943" (p. 1). This report includes maps.
Date:
March 1948
Creator:
Levin, S. B.
Object Type:
Report
System:
The UNT Digital Library
Investigation of Arkansas Bauxite
Report issued by the Bureau of Mines over exploratory work conducted on the bauxite deposits of Arkansas. Descriptions of geophysical characteristics and core drilling results are presented. This report includes tables, maps, illustrations, and photographs.
Date:
March 1948
Creator:
Malamphy, M. C.; Dale, G. K.; Romslo, T. M.; Reed, A. H., Jr.; Ollar, A. & Tracey, J. I., Jr.
Object Type:
Report
System:
The UNT Digital Library
Review of the Heaving-Shale Problem in the Gulf Coast Region
Report issued by the U.S. Bureau of Mines over the ongoing issue of heaving-shale in the Gulf Coast area. The operations and potential causes of incompetent heaving-shale are listed. This report includes tables, and a map.
Date:
March 1942
Creator:
Wade, Gustav
Object Type:
Report
System:
The UNT Digital Library
Manganese Investigations - Metallurgical Division: 8. Pyrometallurgical Studies of Manganese Ore
Report issued by the U.S. Bureau of Mines on investigations conducted on manganese ore used for smelting. Experimental methods and results are presented. This report includes tables, and a photograph.
Date:
March 1942
Creator:
Miller, Virgil; Petermann, F. B.; Pike, J. A. & Peterson, R. G.
Object Type:
Report
System:
The UNT Digital Library
Comparative Yields of Light Oil, Tar, and Constituents from Carbonization Tests at 800 Degrees, 900 Degrees, and 1,000 Degrees Celsius
Report issued by the U.S. Bureau of Mines on testing done on a variety of American coals collected from 32 coal beds across the country. The carbonizing properties of samples tested at 3 different temperatures are presented. This report includes tables, and graphs.
Date:
March 1943
Creator:
Holmes, C. R.; Wilson, J. E. & Davis, J. D.
Object Type:
Report
System:
The UNT Digital Library
Flood-Prevention Projects at Pennsylvania Anthracite Mines: A Preliminary Study
Report issued by the Bureau of Mines over flood-prevention methods at Pennsylvania anthracite mines. The flood-prevention projects are discussed. This report includes tables, maps, photographs, and illustrations.
Date:
March 1946
Creator:
Ash, S. H. & Westfield, James
Object Type:
Report
System:
The UNT Digital Library
Judging condition and utilization of short-grass ranges on the central Great Plains.
Provides advice for determining the quality of grasses on range land in an effort to improve grazing and the quality of livestock.
Date:
March 1944
Creator:
Costello, David Francis, 1904- & Turner, George T. (George Thomas), 1914-
Object Type:
Book
System:
The UNT Digital Library
Structure and development of the alimentary canal of the southern armyworm larva.
Describes a scientific research study of southern army larvae. Describes in detail the alimentary canal of the larva.
Date:
March 1941
Creator:
Woke, Paul A.
Object Type:
Book
System:
The UNT Digital Library
Pastures to hold and enrich the soil.
Discusses methods for maintaining grazing pastures, enriching the soil, and preventing the erosion of soil.
Date:
March 1942
Creator:
Semple, Arthur T. (Arthur Truman), 1895- & Hein, M. A. (Mason August), b. 1894
Object Type:
Book
System:
The UNT Digital Library