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190
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529 Matching Results
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H. W. Laboratory manual: 100 Area section
The purpose of this manual is to present a Hazard Breakdown of all jobs normally encountered in the laboratory work of the three sections comprising the Analytic Section, Metallurgy and Control Division of the Technical Department. A Hazard Breakdown is a careful analysis of any job in which the source of possible dangers is clearly indicated for each particular step. The analysis is prepared by individuals who are thoroughly familiar with the specific job or procedure. It is felt that if the hazards herein outlined are recognized by the Laboratory personnel and the suggested safety cautions followed, the chance for injury will be minimized and the worker will become generally more safety conscious. The manual, which is prefaced by the general safety rules applying to all the laboratories, is divided into three main sections, one for each of the three sections into which the Laboratories Division is divided. These sections are as follows: Section 1 -- 200 Area Control; Section 2 -- 100 Area Control; Section 3 -- 300 Area Control, Essential Materials, and Methods Improvement.
Date:
July 1, 1950
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
The Influences of the Manual Labor Movement on Industrial Arts in America
This is a study of the influences of the Manual Labor Movement in Europe and in America on industrial arts taught in the secondary schools of the United States.
Date:
1950
Creator:
Shipp, Owen T., Jr.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Study to Determine the Influence of Manual Training on Industrial Arts of Today
It is the purpose of the writer to attempt to trace the philosophy and principles of manual training from their origin, through their development in various European countries to show their influence on early manual training in the United States, and to point out the extent of those principles in industrial arts today.
Date:
1950
Creator:
Erickson, Arden M.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An improved approximate method for calculating lift distributions due to twist
Report presenting a method for calculating the lift distribution due to twist which gives a closer approximation than the current Schrenk empirical method and requires about the same amount of computing. The method uses the lifting-line theory and makes use of the lift distribution due to angle of attack and considers the aspect ratio of the wing. Examples are presented for four main types of twist: symmetrical, antisymmetrical, continuous, and discontinuous.
Date:
May 24, 1950
Creator:
Sivells, James C.
Object Type:
Report
System:
The UNT Digital Library
Tables of wing-aileron coefficients of oscillating air forces for two-dimensional supersonic flow
Report presenting the wing-aileron coefficients of oscillating air forces for two-dimensional supersonic flow for a variety of Mach numbers. Various ratios of control-surface chord to airfoil chord are employed in the calculation and for each combination of chord ratio and Mach number, approximate 35 values of reduced frequency are utilized.
Date:
March 1950
Creator:
Huckel, Vera & Durling, Barbara J.
Object Type:
Report
System:
The UNT Digital Library
A determination of the laminar-, transitional-, and turbulent-boundary-layer temperature-recovery factors on a flat plate in supersonic flow
Report presenting wind-tunnel testing to determine the temperature-recovery factors for laminar, transitional, and turbulent boundary layers on a flat plate.
Date:
June 1950
Creator:
Stalder, Jackson R.; Rubesin, Morris W. & Tendeland, Thorval
Object Type:
Report
System:
The UNT Digital Library
An investigation of aircraft heaters 33: experimental determination of thermal and hydrodynamical behavior of air flowing along finned plates
Report presenting an experimental investigation on the thermal and hydrodynamical behavior of air flowing along a steam-heated plate to which were attached cylindrical fins. The data indicate that the principal criterion for the application of the equations for heat transfer along unfinned flat plates is the initiation of a thermal boundary layer.
Date:
March 1950
Creator:
Boelter, L. M. K.; Leasure, R.; Romie, F. E.; Sanders, V. D.; Elswick, W. R. & Young, G.
Object Type:
Report
System:
The UNT Digital Library
Isentropic Phase Changes in Dissociating Gases and the Method of Sound Dispersion for the Investigation of Homogeneous Gas Reactions With Very High Speed
The analytical results of Part I are also applied to sound dispersion by friction and heat conduction, An irreversible change of momentum, energy, and type of particle corresponding to friction, heat conduction, and diffusion effects can appear both in the direction of the sound field and traverse to it. Longitudinal damping, the coupling of longitudinal damping and that due to chemical and physical changes, and coupling of diffusion and compositional changes are treated for a plane sound wave of infinite extent.
Date:
September 1950
Creator:
Damköehler, Gerhard
Object Type:
Report
System:
The UNT Digital Library
The development and performance of two small tunnels capable of intermittent operation at Mach numbers between 0.4 and 4.0
Report presenting the design, development, and performance of equipment suitable for use by educational institutions for student training and basic compressible-flow research. Supersonic nozzles designed for a range of Mach numbers were tested in the blowdown tunnel and produced average Mach numbers close to the design values.
Date:
September 1950
Creator:
Lindsey, Walter F. & Chew, William L.
Object Type:
Report
System:
The UNT Digital Library
Floating characteristics of rudders and elevators in spinning attitudes as determined from hinge-moment-coefficient data with application to personal-owner-type airplanes
Report presenting a study of the available rudder and elevator hinge-moment-coefficient data in order to determine the floating characteristics of various types of rudders and elevators in spinning attitudes. Results regarding the rudder floating characteristics, elevator floating characteristics, and a comparison of several types of rudders and elevators are provided.
Date:
January 1950
Creator:
Bihrle, William, Jr.
Object Type:
Report
System:
The UNT Digital Library
An analysis of the normal accelerations and airspeeds of a four-engine airplane type in postwar commercial transport operations on trans-Pacific and Caribbean-South American routes
Report presenting an analysis of normal-acceleration and airspeed data on several transport airplanes of a four-engine type during postwar commerical operations on trans-Pacific and Caribbean-South American routes of the same airlines. The results indicate that the acceleration increment corresponding to the limit-gust-load-factor increment may be exceed about twice in all of the flight miles for each route. Results regarding accelerations, flight loads, gust encounters, and speeds are provided.
Date:
August 1950
Creator:
Coleman, Thomas L. & Schumacher, Paul W. J.
Object Type:
Report
System:
The UNT Digital Library
Classified Progress Report of the Reactor Science and Engineering Department for the Year 1949
Technical report covering classified activities of the Department of Reactor Science and Engineering since its inception in January, 1949. This if focused on the research, evaluation, and redesign of the reactor as well as the tests on various reactor components and engineering design to correct structural defects as they have become evident through reactor use.
Date:
1950~
Creator:
Brookhaven National Laboratory
Object Type:
Report
System:
The UNT Digital Library
Effect on longitudinal stability and control characteristics of a Boeing B-29 airplane of variations in stick-force and control-rate characteristics obtained through use of a booster in the elevator-control system
A longitudinal stability and control characteristics of a Boeing B-29 airplane have been measured with a booster incorporated in the elevator-control system. Tests were made to determine the effects on the handling qualities of the test airplane of variations in the pilot's control-force gradients as well as the effects of variations in the maximum rate of control motion supplied by the booster. The results of the control-rate investigation indicate that large airplanes may have satisfactory handling qualities with the booster adjusted to give much lower rates of control motion than those normally used by pilots.
Date:
April 12, 1950
Creator:
Mathews, Charles W.; Talmage, Donald B. & Whitten, James B.
Object Type:
Report
System:
The UNT Digital Library
A Study of the Objectives and Trends of General Education and the Needs of the Sheet Metal Industries of Dallas, Texas in Order to Determine What Trends Should be Taken for a Course of Sheet Metal Work at N. R. Crozier Technical High School, Dallas, Texas.
The problem of this study is (1) to study the objectives and trends of general education, and (2) to study the needs of sheet metal industries in Dallas, Texas, in order to determine what the trends should be for a course of sheet metal work at N. R. Crozier Technical High School.
Date:
1950
Creator:
Lanham, Robert L.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
[Letter from Mrs. Tucker's Foods, Incorporated to Daniel W. Kempner, February 16, 1950]
Letter from R. R. King of Mrs. Tucker's Foods to D. W. Kempner informing him that his request for details of the refining process was something beyond their scope to concisely explain so instead they are sending a copy of their "Salesman Manual".
Date:
February 16, 1950
Creator:
Mrs. Tucker's Foods, Incorporated
Object Type:
Letter
System:
The Portal to Texas History
Terminal report on the Radiolanthanum Laboratory
Report discussing analytical methods that were developed for various procedures in the Radiolanthanum Laboratory.
Date:
June 1950
Creator:
Schmidt, H. R. & Marshall, W. W.
Object Type:
Report
System:
The UNT Digital Library
Hanford Works monthly report, November 1950
This is a progress report of the production reactors on the Hanford Reservation for the month of November 1950. This report takes each division (e.g. manufacturing, medical, accounting, occupational safety, security, reactor operations, etc.) of the site and summarizes its accomplishments and employee relations for that month.
Date:
December 20, 1950
Creator:
Prout, G. R.
Object Type:
Report
System:
The UNT Digital Library
Preparation of Ductile Zirconium: Status Report for February 20, 1950
Report discussing the status of ductile zirconium preparation by the National Research Corporation up to February 20, 1950.
Date:
February 21, 1950
Creator:
DiPietro, W. O.; Findlay, G. R. & Moore, J. H.
Object Type:
Report
System:
The UNT Digital Library
PHYSICS DIVISION QUARTERLY REPORT FOR APRIL, MAY, AND JUNE 1950
None
Date:
July 1, 1950
Creator:
Wattenberg, A.; Hoyt, F.C. & Turner, L.A. eds.
Object Type:
Report
System:
The UNT Digital Library
Improved Chemistry Cave
None
Date:
March 1, 1950
Creator:
Blomgren, R. A. & Hagemann, F.
Object Type:
Report
System:
The UNT Digital Library
Preparation of Ductile Zirconium: Progress Report for January 1950
Abstract: A new feeder chute on the continuous casting apparatus, and the use of outgassed zirconium chips resulted in a stable arc and quiet pool. Ingots up to 9 1/2 inches in length were made, and some correlation between tension on the ingot and the "necking" effect was determined. Conversions of zirconium iodide to zirconium in the arc dissociation apparatus ran from 41 to 48.2 percent with a maximum of 474 grams of metal produced in 4 hours.
Date:
February 10, 1950
Creator:
DiPietro, W. O.; Findlay, G. R. & Moore, J. H.
Object Type:
Report
System:
The UNT Digital Library
Experimental Breeder Project: Report for the Period March 1, 1949 Through January 31, 1950
Report discussing the progress made on the Experimental Breeder Project during the period from March 1, 1949 to January 31, 1950.
Date:
March 13, 1950
Creator:
Lichtenberger, H. V.
Object Type:
Report
System:
The UNT Digital Library
High Efficiency Collection of Radioactive Dust
None
Date:
April 10, 1950
Creator:
Caplan, K. J.
Object Type:
Report
System:
The UNT Digital Library
Lecture Notes Health Physics Training Lectures, 1948-1949
None
Date:
September 29, 1950
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library