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  Partner: UNT Libraries Government Documents Department
 Decade: 1940-1949
 Collection: Technical Report Archive and Image Library
[Construction Drawings Using Copper, Brass, and Steel]

[Construction Drawings Using Copper, Brass, and Steel]

Date: 1948
Creator: Jorgensen
Description: Three charts of copper, brass, and steel construction for use in nuclear reactors.
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
Nomographic Charts for Nuclear Reactions

Nomographic Charts for Nuclear Reactions

Date: 1944
Creator: McKibben, J. L.
Description: Charts that show neutron energy, laboratory or center of gravity angle, and bombarding energy for nuclear reactions.
Contributing Partner: UNT Libraries Government Documents Department
[Charts for Various Aspects of Poles]

[Charts for Various Aspects of Poles]

Date: August 7, 1944
Creator: United States. National Bureau of Standards.
Description: Chart 1A-1B. Conductor loading nomograph, Chart 2A. Bending moment due to wind pressure on pole, Chart 2B. Ultimate resisting moments of wood poles, Chart 3. Catenary curve.
Contributing Partner: UNT Libraries Government Documents Department
Segrè Chart [Isotope Chart]

Segrè Chart [Isotope Chart]

Date: 1948
Creator: Segrè, Emilio
Description: Chart showing type of radiation and isotope classification for each element, in a periodic table layout.
Contributing Partner: UNT Libraries Government Documents Department
Simpson Proportional Alpha Counter

Simpson Proportional Alpha Counter

Date: 1946
Creator: Simpson, J. A.
Description: Declassified Manhattan Project figure of Simpson Proportional Alpha Counter.
Contributing Partner: UNT Libraries Government Documents Department
Experimental Techniques, Part 2: Ionization Chambers and Counters

Experimental Techniques, Part 2: Ionization Chambers and Counters

Date: 1947
Creator: Rossi, Bruno Benedetto & Staub, Hans Heinrich
Description: Declassified Manhattan Project document on alpha particle detectors, absolute counters, neutron recoils detectors, reactions detectors, and fission detectors,
Contributing Partner: UNT Libraries Government Documents Department
A Laboratory Development of Cavitation-Free Baffle Piers, Bluestone Dam, New River, West Virginia

A Laboratory Development of Cavitation-Free Baffle Piers, Bluestone Dam, New River, West Virginia

Date: March 1948
Creator: Waterways Experiment Station (U.S.)
Description: Results of model studies to determine the extent of destructive cavitation action (if any) in the stilling-basin elements at the Bluestone Dam in New River, West Virginia. The study also intended to develop means of correcting any conditions in the basin if needed.
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