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  Partner: UNT Libraries Government Documents Department
 Decade: 1940-1949
 Year: 1949
Magnets and Magnetic Measuring Techniques

Magnets and Magnetic Measuring Techniques

Date: June 1949
Creator: Wakerling, R. K. & Guthrie, Andrew
Description: Preface: The existence of adequate experimental equipment, in particular the two operating cyclotrons of the Radiation Laboratory and the large 184-inch unit under construction, together with a nucleus of trained personnel, made it inevitable that work in connection with the war effort would be prosecuted vigorously at the University of California.
Contributing Partner: UNT Libraries Government Documents Department
Electrical Circuits for Calutrons

Electrical Circuits for Calutrons

Date: June 1949
Creator: Wakerling, R. K. & Guthrie, Andrew
Description: Preface: The existence of adequate experimental equipment, in particular the two operating cyclotrons of the Radiation Laboratory and the large 184-inch unit under construction, together with a nucleus of trained personnel, made it inevitable that work in connection with the war effort would be prosecuted vigorously at the University of California.
Contributing Partner: UNT Libraries Government Documents Department
Correlation of Soil Properties with Geologic Information: Report Number 1, Simplification of the Liquid Limit Test Procedure

Correlation of Soil Properties with Geologic Information: Report Number 1, Simplification of the Liquid Limit Test Procedure

Date: June 1949
Creator: Waterways Experiment Station (U.S.)
Description: Introduction: The general project of correlating soil properties with geologic information, one phase of which is described in this report, consists in comparing soil properties with soil types and with their geologic history and environment in order to determine what correlations are possible.
Contributing Partner: UNT Libraries Government Documents Department
Technical Cooperation Program Visit of Lawroski and Stevenson (U.S.) to Chalk River on December 9-10, 1948

Technical Cooperation Program Visit of Lawroski and Stevenson (U.S.) to Chalk River on December 9-10, 1948

Date: April 8, 1949
Creator: Lawroski, S. & Stevenson, C.E.
Description: Minutes of conferences held at Chalk River, Ontario. The subjects discussed related primarily to separations processes.
Contributing Partner: UNT Libraries Government Documents Department
Progress Report No. 69. Dec. 15, 1948 to Jan. 15, 1949

Progress Report No. 69. Dec. 15, 1948 to Jan. 15, 1949

Date: January 30, 1949
Creator: Authors, Various
Description: This is the progress report for the University of California, Radiation Laboratory for December 15, 1948-January 15, 1949. It discusses the following: (1) Bevatron; (2) 184-inch Cyclotron Program; (3) 60-inch Cyclotron Program; (4) Synchrotron Operation; (5) Linear Accelerator and Van de Graaff Operation; (6) Experimental Physics; (7) Theoretical Physics, (8) Isotope Separation; (9) Chemistry Departments; (10) Medical Physics; and (11) Health Physics and Chemistry.
Contributing Partner: UNT Libraries Government Documents Department
Master-Slave Manipulator

Master-Slave Manipulator

Date: March 7, 1949
Creator: Goertz, R.C.
Description: A device for manipulating a pair of tongs behind a shielding barrier has been built and tested. It is called a Master-Slave Manipulator because the slave tongs move in exact correspondence with a master handle. The "slave hands" follow the master hands in complete synchronism. This is the first completely master-slave manipulator known to exist and has proved that this type of manipulation is very successful when the unit is prooperly engineered and built.
Contributing Partner: UNT Libraries Government Documents Department
Nomograms for Obtaining the Compound Composition of Hydrated Limes from the Oxide Analysis

Nomograms for Obtaining the Compound Composition of Hydrated Limes from the Oxide Analysis

Date: December 30, 1949
Creator: Levin, Ernest M.
Description: Report with two nomograms presented for rapidly obtaining the compound composition of hydrated limes from the oxide analysis. The general nomogram can be applied to any commercial hydrated lime and gives values accurate to within 0.3 percent while the special nomogram is applicable only to regularly hydrated and highly hydrated dolomitic limes and is accurate to within 0.1 percent.
Contributing Partner: UNT Libraries Government Documents Department
A Modified Decade Scaler: Final Report on Project Authorization Number CMR-3-5

A Modified Decade Scaler: Final Report on Project Authorization Number CMR-3-5

Date: June 9, 1949
Creator: Rupert, George N.
Description: Final report describing the development and usage of an automatic decade scaler which operates for a fixed number of counts, developed for use with a Geiger tube.
Contributing Partner: UNT Libraries Government Documents Department
Investigation of Lower Coal Beds in Georges Creek and North Part of Upper Potomac Basins, Allegany and Garrett Counties, Maryland: Reserves, Petrographic and Chemical Characteristics of Coals, and Stratigraphy of Area (Maps)

Investigation of Lower Coal Beds in Georges Creek and North Part of Upper Potomac Basins, Allegany and Garrett Counties, Maryland: Reserves, Petrographic and Chemical Characteristics of Coals, and Stratigraphy of Area (Maps)

Date: 1949
Creator: Toenges, Albert L.
Description: Series of eleven maps to illustrate coal mines in Maryland, to accompany a report about thinning in the coal beds.
Contributing Partner: UNT Libraries Government Documents Department
Methods of Opacity Calculations

Methods of Opacity Calculations

Date: 1949
Creator: Mayer, Harris
Description: "Methods for calculating the opacity of materials at high temperatures are discussed in this report. Minor improvements are outlined for the treatment of continuous absorption processes, and a small error usually made in treating the scattering process is corrected. In contrast to all previous calculations of opacity, the effect of line absorption is carefully examined, for it may well be the dominant process under certain conditions of temperature and density. Detailed methods for calculating the line absorption contribution are, therefore, developed. To illustrate the principles involved, the opacity of pure iron at a temperature of 1000 volts and normal density is worked out in detail" (p. ii).
Contributing Partner: UNT Libraries Government Documents Department
Decomposition of Water at High Temperatures and Pressures Under Reactor Irradiation

Decomposition of Water at High Temperatures and Pressures Under Reactor Irradiation

Date: September 16, 1949
Creator: Fromm, L. W.
Description: Partial abstract: "The investigation of the high temperature and pressure dissociation of water under irradiation was undertaken by the Power Pile Division of Oak Ridge National Laboratory in an effort to determine the degree of importance of the phenomenon with respect to the design of a high temperature water-cooled power reactor. Theory and past experimentation indicate that net steady-state dissociation is determined by the rates of the dissociation and recombination reactions under the imposed conditions, the dissociation rate being essentially a function of flux and the recombination rate essentially a function of temperature" (p. 3).
Contributing Partner: UNT Libraries Government Documents Department
Investigation of Lower Coal Beds in Georges Creek and North Part of Upper Potomac Basins, Allegany and Garrett Counties, Maryland: Reserves, Petrographic and Chemical Characteristics of Coals, and Stratigraphy of Area

Investigation of Lower Coal Beds in Georges Creek and North Part of Upper Potomac Basins, Allegany and Garrett Counties, Maryland: Reserves, Petrographic and Chemical Characteristics of Coals, and Stratigraphy of Area

Date: 1949
Creator: Toenges, Albert L.; Turnbull, Louis A.; Williams, Lloyd & Smith, H. L.
Description: Report presenting the results of an investigation into various charactaristics that could increase the output lower, thinner coal beds, to replace the upper coal beds which are nearing exhaustion.
Contributing Partner: UNT Libraries Government Documents Department
Report of the Chief of the Forest Service: 1949

Report of the Chief of the Forest Service: 1949

Date: 1949
Creator: United States. Forest Service.
Description: Annual report from the U.S. Department of Agriculture Forest Service describing activities of the organization, expenditures and receipts, and a discussion of other relevant topics for the fiscal year.
Contributing Partner: UNT Libraries Government Documents Department
Recovery of uranium and plutonium from Redox off-standard aqueous waste streams

Recovery of uranium and plutonium from Redox off-standard aqueous waste streams

Date: December 31, 1949
Creator: Holm, C.H. & Matheson, A.R.
Description: In the operation of countercurrent extraction columns as in the Redox process, it is possible, and probable, that from unexpected behaviour of a column, operator error, colloid formation, etc., there will result from time to time excessive losses of uranium and plutonium in the overall process. These losses will naturally accumulate in the waste streams, particularly in the aqueous waste streams. If the loss is excessively high, and such lost material can be recovered by some additional method, then if economical and within reason, the recovered materials ran be returned to a ISF column for further processing. The objective of this work has been to develop such a method to recover uranium and plutonium from such off-standard waste streams in a form whereby the uranium send plutonium can be returned to the process line and subsequently purified and separated.
Contributing Partner: UNT Libraries Government Documents Department
Precipitation of plutonium and uranium from off-standard aqueons wastes

Precipitation of plutonium and uranium from off-standard aqueons wastes

Date: November 29, 1949
Creator: Richards, R.B.
Description: Short communication.
Contributing Partner: UNT Libraries Government Documents Department
Assay, specific gravity, and iron methods for 234-5 process solutions

Assay, specific gravity, and iron methods for 234-5 process solutions

Date: April 26, 1949
Creator: Kendall, L.F.
Description: Short communication.
Contributing Partner: UNT Libraries Government Documents Department
234-5 Remote mechanical line design bases and schedules

234-5 Remote mechanical line design bases and schedules

Date: August 22, 1949
Creator: Gross, C.N.
Description: Short communication.
Contributing Partner: UNT Libraries Government Documents Department
Peroxide process -- 234-5 Building

Peroxide process -- 234-5 Building

Date: October 11, 1949
Creator: Groswith, C.T.
Description: The mechanical line being developed at Los Alamos is designed around the peroxide precipitation process. Development work, at that site, on this process has progressed to the point where actual plant equipment can be designed for future use. The process for converting the peroxide to a reducible fluoride is known. From the reduction step on, no change is necessary in the present process. The possibilities of a satisfactory peroxide process were recognized before design and construction of the R.G. Line, but the development work necessary for this process had not progressed far enough to have been included in that line. The gain to be realized by the adoption of the peroxide method is so great that the amount of work necessary for development of this process can certainly be justified at this time. Advantages of this process are summarized and it is recommended that serious consideration be given to using the peroxide process before design of the R.M. Line goes further.
Contributing Partner: UNT Libraries Government Documents Department
Laboratory instrument design progress report, January 1--April 30, 1949

Laboratory instrument design progress report, January 1--April 30, 1949

Date: June 17, 1949
Creator: Olt, R.G.
Description: Progress is reported on the quartz fiber microbalance design and research. The mechanism for drawing the quartz fibers and the measurements of the properties of the fibers are described. Design and construction of a mass spectrograph and a cloud chamber is presented. Refilling B-wall tubes is investigated.
Contributing Partner: UNT Libraries Government Documents Department
Determination of slug temperatures for various power levels

Determination of slug temperatures for various power levels

Date: January 5, 1949
Creator: Burda, E.J.
Description: This study was undertaken to determine the maximum temperatures that may be expected in slugs under various operating power levels. Information of this nature is required to properly evaluate the effects on the slug of pile operation at power levels higher than those currently in use.
Contributing Partner: UNT Libraries Government Documents Department
Four in. three jaw type connector suitable for vertical mounting sample for job 11

Four in. three jaw type connector suitable for vertical mounting sample for job 11

Date: July 8, 1949
Creator: Grubbe, A.C.
Description: As authorized by purchase order No. 11-2532 dated March 11, 1949 of the Kellex Corp., the first sample of a 4 inch three jaw type connector for Job 11 was fabricated. The design of the connector was per Crane Co. drawing DR-25126-D except vertical mounting. The materials were per Crane Co. drawing A-24491-C. As instructed in verbal conversation with Dr. D.D. Jacobus and as requested in Mr. J.J. Cuniffe`s letter of May 6, 1949, and Ingersoll-Rand Company`s 1 1/4 inch 534 impact wrench with suitable socket to fit the hexagon head of the operating screw of the 4 inch connector was procured on loan to make some preliminary tests. Engineering drawings are listed in a second report on the data base.
Contributing Partner: UNT Libraries Government Documents Department
Material balance flowsheet Redox Production plant

Material balance flowsheet Redox Production plant

Date: June 6, 1949
Creator: Tomlinson, R.E.
Description: The attached material balance flowsheet for the proposed Redox Production plant is based on the two chemical flowsheets submitted by R.B. Richards of the Technical Division in HW 13,320 (INDC-3130) and HW 13,452 (INDC 3176). Production rates for the plant have been assumed as 2.5 short tone U per day (including a maximum of 0.75 short tons of U from stored Bi PO{sub 4} waste) and 19 kg. Pu per month (633 gms/day) as established by the Redox Committee. The flowsheets for preparation of solvent extraction feed from Bi PO{sub 4} waste, as well as the waste treatment systems will be covered in a future document.
Contributing Partner: UNT Libraries Government Documents Department
The control of polycythemia by marrow inhibition

The control of polycythemia by marrow inhibition

Date: August 9, 1949
Creator: Lawrence, J.H.
Description: Experimental use of sodium radiophosphate (P32)in treatment of polycythemia is described. Treatment history is 66 patients treated with P32 alone, 32 patients treated with P32 followed within 4 months by venesections, 21 patients treated with P32 followed more than 4 months later by venesections, 6 patients treated exclusively by venesections, and 9 patients treated and followed elsewhere.
Contributing Partner: UNT Libraries Government Documents Department
Radioactive decontamination of metals by electropolishing

Radioactive decontamination of metals by electropolishing

Date: January 25, 1949
Creator: Brodbeck, R.M. & Schommer, G.R.
Description: Prior to April 1948 the generally accepted method of reducing the radioactive contamination of metal tools and laboratory apparatus was a series of rinses in aqua regia or various other concentrated acids. This method proved unsatisfactory for three reasons. (A) It was not a dependable method of removing activity. (B) It had a delecterious effect on tools in that it caused serious pitting, which resulted in weakened parts, and exposed a bare metal that was subject to very rapid corrosion. (C) Tools and apparatus once cleaned by this method could not readily be cleaned a second time. With the aforementioned limitations in mind, it became obvious that a new method was required. After considerable investigation into a electrochemical processes the present method was developed. Essentially, the new method is an electropolish bath to remove the activity lodged in the pores of the metal, and a ``follow-up`` chrome plate bath to render the surface impassive to corrosion.
Contributing Partner: UNT Libraries Government Documents Department
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