States

Aircraft woodwork. (open access)

Aircraft woodwork.

Discusses woodworking in aircraft manufacturing in general, and in detail the characteristics of wood, the glue and hardware necessary, hand tools and machines, as well as repair of the aircraft.
Date: December 22, 1942
Creator: United States. War Department.
Object Type: Book
System: The UNT Digital Library
Texas Attorney General Opinion: O-6929 (open access)

Texas Attorney General Opinion: O-6929

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Grover Sellers, regarding a legal question submitted for clarification: Clarification of duties and responsibilities of certain officials in Dallas County when certain shortages appear in the accounts of the Tax Assessor-Collector.
Date: December 22, 1945
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: O-6940 (open access)

Texas Attorney General Opinion: O-6940

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Grover Sellers, regarding a legal question submitted for clarification: (1) Constitutionality of Articles 60a, 60a-1, and 60a-2, V.A.C.C.P. (2) Legality of filing misdemeanor case in justice court in precinct other than that in which the offense occurred. (3) Authority of Commissioners' Court to Transfer funds derived from fines and forfeitures to the general fund.
Date: December 22, 1945
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: V-979 (open access)

Texas Attorney General Opinion: V-979

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: The necessity to register highway building and/or maintenance machinery propelled or moved on the highways.
Date: December 22, 1949
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: V-980 (open access)

Texas Attorney General Opinion: V-980

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: The legality of the court's taking possession of the out-of-state operator's, chauffeur's, or commercial operator's license held by a nonresident, upon the holder's conviction in Texas of an offense calling for automatic suspension of such license.
Date: December 22, 1949
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: V-981 (open access)

Texas Attorney General Opinion: V-981

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: The authority of the Commissioners' Court to revise building specifications and add $1999.57 to the contract price without readvertising for competitive bids.
Date: December 22, 1949
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: V-751 (open access)

Texas Attorney General Opinion: V-751

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: The authority of the Game, Fish and Oyster Commission to regulate the taking and the possession limit of minnows from Possum Kingdom Lake.
Date: December 22, 1948
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: V-752 (open access)

Texas Attorney General Opinion: V-752

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: The authority of the Chief Deputy Commissioner, Bureau of Labor Statistics, to execute instruments to disburse State funds instead of the Commissioner when the latter is absent from the Capitol.
Date: December 22, 1948
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Biological Action of Gamma and X-Rays (open access)

Biological Action of Gamma and X-Rays

Report of experimentation on mice of exposure to daily doses of gamma radiation at two rates and the resultant damage.
Date: December 22, 1944
Creator: Lorenz, E.; Eschenbrenner, A.; Derringer, M. & Heston, W. E.
Object Type: Report
System: The UNT Digital Library
Comparison of National Bureau of Standards ceramic coatings L-7C and A-417 on turbine blades in a turbojet engine (open access)

Comparison of National Bureau of Standards ceramic coatings L-7C and A-417 on turbine blades in a turbojet engine

Report presenting an investigation to determine which of two ceramic coatings, L-7C and A-417, developed by the National Bureau of Standards is more suitable as a protective coating for turbine blades in a turbojet engine. Four cast Vitallium turbine blades, two coated with each of the ceramics, were installed in a turbine wheel of a turbojet engine and subjected to accelerated cyclic life tests.
Date: December 22, 1948
Creator: Morse, C. Robert
Object Type: Report
System: The UNT Digital Library
Some theoretical low-speed span loading characteristics of swept wings in roll and sideslip (open access)

Some theoretical low-speed span loading characteristics of swept wings in roll and sideslip

The Weissinger method for determining additional span loading for incompressible flow is used to find the damping in roll, the lateral center of pressure of the rolling for wing plan forms of various aspect ratios, taper ratios, and sweep angles. In addition, the applicability of the method to the determination of certain other aerodynamic derivatives is investigated, and corrections for the first-order effects of compressibility are indicated. The agreement obtained between experimentally and theoretically determined values for the aerodynamic coefficients indicates that the method of Weissinger is well suited to the calculation of such resulting aerodynamic derivatives of wings as do not involve considerations of tip suction.
Date: December 22, 1948
Creator: Bird, John D.
Object Type: Report
System: The UNT Digital Library
The application of Green's theorem to the solution of boundary-value problems in linearized supersonic wing theory (open access)

The application of Green's theorem to the solution of boundary-value problems in linearized supersonic wing theory

From Introduction: "The present paper is restricted to a discussion of wing theory subject to the assumptions of linearized compressible flow. It therefore employs solutions of Laplace's equation and the wave equation for cases where the boundary condition are specified in the plane of the wing."
Date: December 22, 1948
Creator: Heaslet, Max A. & Lomax, Harvard
Object Type: Report
System: The UNT Digital Library
Theoretical antisymmetric span loading for wings of arbitrary plan form at subsonic speeds (open access)

Theoretical antisymmetric span loading for wings of arbitrary plan form at subsonic speeds

A simplified lifting-surface theory that includes effects of compressibility and spanwise variation of section lift-curve slope is used to provide charts with which antisymmetric loading due to arbitrary antisymmetric angle of attack can be found for wings having symmetric plan forms with a constant spanwise sweep angle of the quarter-chord line. Consideration is given to the flexible wing in roll. Aerodynamic characteristics due to rolling, deflected ailerons, and sideslip of wings with dihedral are considered. Solutions are presented for straight-tapered wings for a range of swept plan forms.
Date: December 22, 1949
Creator: DeYoung, John
Object Type: Report
System: The UNT Digital Library
Army-Navy manual of military government and civil affairs. (open access)

Army-Navy manual of military government and civil affairs.

A general guide for U.S. armed forces instituting military government in occupied areas.
Date: December 22, 1943
Creator: United States. War Department.
Object Type: Book
System: The UNT Digital Library
Texas Attorney General Opinion: O-5548 (open access)

Texas Attorney General Opinion: O-5548

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Gerald Mann, regarding a legal question submitted for clarification: May the Board of School Trustees of a Rural High School District legally pay traveling expenses of its superintendent incurred for purposes necessary in the conduct of the school?
Date: December 22, 1943
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Application of Molybdenum Surfaces to Heavy Metal (open access)

Application of Molybdenum Surfaces to Heavy Metal

This report addresses the Application of Molybdenum Surfaces to Heavy Metal.
Date: December 22, 1944
Creator: Katz, S.
Object Type: Report
System: The UNT Digital Library
An Analysis of Project Data on the Corrosion of Uranium in Various Media (open access)

An Analysis of Project Data on the Corrosion of Uranium in Various Media

This is a summarizing and reviewing report in which almost all the experimental data representing Project work done prior to 1949 on the corrosion of pure uranium are brought together and analyzed. New data obtained in this laboratory on corrosion rates in laboratory atmosphere and on the identification of corrosion products by electron diffraction are included. The data for corrosion in each of several different media have been plotted according to logarithm-of-the-rate versus reciprocal-temperature coordinates; and from these plots values for the energies and entropies of activation of the corrosion reactions have been obtained. By theoretical treatment of the role of oxygen as a negative catalyst, it is shown that this element may be expected to "poison" the corrosion rection and then act as a corrosion inhibitor. A practical significance of these data analyses is that they explain why machined uranium parts stored in inert atmospheres (helium or argon) containing only very small amounts of water vapor will corrode relatively rapidly with the formation of loose powdery oxide, whereas similar parts may be kept in dry air almost indefinitely with formation on their surface of only a discoloring, but adhered, oxide coating.
Date: December 22, 1948
Creator: Waber, James T. (James Thomas), 1920-
Object Type: Report
System: The UNT Digital Library
Preliminary Results of Altitude-Wind-Tunnel Investigation of X24C-4B Turbojet Engine. 4 - Performance of Modified Compressor, Part 4, Performance of Modified Compressor (open access)

Preliminary Results of Altitude-Wind-Tunnel Investigation of X24C-4B Turbojet Engine. 4 - Performance of Modified Compressor, Part 4, Performance of Modified Compressor

The performance of the 11-stage axial-flow compressor, modified to improve the compressor-outlet velocity, in a revised X24C-4B turbojet engine is presented and compared with the performance of the compressor in the original engine. Performance data were obtained from an investigation of the revised engine in the MACA Cleveland altitude wind tunnel. Compressor performance data were obtained for engine operation with four exhaust nozzles of different outlet area at simulated altitudes from 15,OOO to 45,000 feet, simulated flight Mach numbers from 0.24 to 1.07, and engine speeds from 4000 to 12,500 rpm. The data cover a range of corrected engine speeds from 4100 to 13,500 rpm, which correspond to compressor Mach numbers from 0.30 to 1.00.
Date: December 22, 1947
Creator: Thorman, H. Carl & Dupree, David T.
Object Type: Report
System: The UNT Digital Library
Tests of the AN/SPS-1 Radar Antenna in the Langley Full-Scale Tunnel (open access)

Tests of the AN/SPS-1 Radar Antenna in the Langley Full-Scale Tunnel

Tests have been conducted to determine the drive-motor torque and the static force and moment characteristics of the AN/SPS-1 radar antenna. Shifting the longitudinal position of the antenna had very little effect on the drive-motor torque, which reached a maximum value expressed in terms of dynamic pressure (T/q)(sub max) of 1.15 at an azimuth angle of 245. The maximum observed values of rolling, pitching, and yawing moments in terms of dynamic pressure are -29.0, 66.6, and 13.4, respectively.
Date: December 22, 1947
Creator: May, Ralph W., Jr.
Object Type: Report
System: The UNT Digital Library
Preliminary investigation of effects of combustion in ram jet on performance of supersonic diffusers 3: normal-shock diffuser (open access)

Preliminary investigation of effects of combustion in ram jet on performance of supersonic diffusers 3: normal-shock diffuser

Report presenting an experimental investigation on a ramjet in the 20-inch supersonic tunnel at a Mach number of 1.92 to determine the effects of combustion on the performance of a basic normal-shock diffuser. Total-pressure recovery with and without combustion was evaluated as a function of outlet-inlet area ratio and fuel flow. A rapid decrease in peak total-pressure recovery was obtained with increasing outlet-inlet area ratio.
Date: December 22, 1948
Creator: Schroeder, Albert H. & Connors, James F.
Object Type: Report
System: The UNT Digital Library
Ditching Investigation of a 1/18-Scale Model of the North American B-45 Airplane (open access)

Ditching Investigation of a 1/18-Scale Model of the North American B-45 Airplane

An investigation of a 1/18-scale dynamically similar model of the North American B-45 airplane was made to observe the ditching behavior and determine the proper landing technique to be used in an emergency water landing. Various conditions of damage were simulated to determine the behavior which probably would occur in a full-scale ditching. The behavior of the model was determined from high-speed motion-picture records, time-history acceleration records, and visual observations. It was concluded that the airplane should be ditched at the maximum nose-high attitude with the landing flaps full down for minimum landing speed. During the ditching, the nose-wheel and bomb-bay doors probably will be torn away and the rear of the fuselage flooded. A violent dive will very likely occur. Longitudinal decelerations of approximately 5g and vertical accelerations of approximately -6g (including gravity) will be experienced near the pilots' compartment. Ditching braces installed in the bomb bay will tend to improve the behavior slightly but will be torn away along with the bomb-bay doors. A hydroflap installed ahead of the nose-wheel doors will eliminate the dive and failure of the nose-wheel doors, and substantially reduce the motions and accelerations.
Date: December 22, 1949
Creator: Fisher, Lloyd J. & Thompson, William C.
Object Type: Report
System: The UNT Digital Library
Metallurgical Laboratory, Chemical Research - Analytical, Graphite Purity Research Program (open access)

Metallurgical Laboratory, Chemical Research - Analytical, Graphite Purity Research Program

Abstract. Chemical analytical studies of graphite raw materials have revealed new sources of petroleum cokes and pitches of greater purity than those previously used in the manufacture of project graphite. The use of these raw materials of exceptional purity has resulted in an improvement in k of the order of one per cent as compared with the AGOT-AGNT graphite typical of the previous production. A study of the graphitizing process has shown that no dangerous impurities are introduced in the graphite in manufacture; rather, the process actually purifies. furthermore, impurities are distributed homogeneously within the furnace charge; thus the AGOT-AGNT distinction is no longer necessary. A comparison of the methods of graphite testing has demonstrated excellent correlations between chemical analytical data, the results of the function test at Argonne, and the sigma pile experiments. It may therefore be inferred that chemical testing should be an adequate control of the graphite purity. Methods are described for the analysis of ash, B, V, TI, FE, and Ca in petroleum coke, pitch, and graphite.
Date: December 22, 1943
Creator: Boyd, G. E.; Curtis, R. E. & Johnston, W. H.
Object Type: Report
System: The UNT Digital Library