Technical Report Archive & Image Library (TRAIL) - 1,521 Matching Results

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Approximate Quantitative Microscopy of Pulverized Ores, Including the Use of the Camera Lucida

Description: Technical paper issued by the Bureau of Mines over microscopy of pulverized ores. As stated in the introduction, "this paper, which deals with the study of pulverized ores and the use of the camera lucida in such work, discusses an investigation undertaken at the Seattle and the Golden mining experiment stations of the Bureau of Mines" (p. 3). This paper includes tables, illustrations, and photographs.
Date: October 1919
Creator: Coghill, Will H. & Bonardi, J. P.
Partner: UNT Libraries Government Documents Department
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Safety Factors in Construction and Ventilation, Wawona Vehicular Tunnel, Yosemite National Park, California

Description: Report issued by the Bureau of Mines discussing the safety and ventilation hazards presented during the construction of the Wawona tunnel in Yosemite National Park. Safety precautions and procedures used during the construction are presented. This report includes tables, illustrations, and photographs.
Date: 1940
Creator: Ash, S. H.
Partner: UNT Libraries Government Documents Department
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Explosion Hazards in Storage-Battery Rooms

Description: Report issued by the Bureau of Mines discussing the safety and explosion hazards present in storage-battery rooms. Descriptions of storage-battery rooms and methods of ventilation are presented. This report includes tables, illustrations, and photographs.
Date: 1940
Creator: Jones, G. W.; Campbell, John; Dillon, R. E. & Benson, O. B.
Partner: UNT Libraries Government Documents Department
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The Vapor Pressure of Arsenic Trioxide

Description: Technical paper issued by the Bureau of Mines over investigations of vapor pressure. The methods and equipment used for the investigations are presented. The results are discussed. This paper includes tables, illustrations, and photographs.
Date: March 1915
Creator: Welch, H. V. & Duschak, L. H.
Partner: UNT Libraries Government Documents Department
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Gas Masks for Gases Met in Fighting Fires

Description: Technical paper issued by the Bureau of Mines over the development of gas masks designed for fighting fires. The characteristics of the different types of masks in development are presented. This paper includes tables, illustrations, and photographs.
Date: August 1921
Creator: Fieldner, Arno Carl; Katz, Sidney H. & Kinney, Selwyne P.
Partner: UNT Libraries Government Documents Department
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Development, Mining, and Handling of Ore in Folded and Faulted Areas, Red Iron Mines, Birmingham District, Alabama

Description: Technical paper issued by the Bureau of Mines over mining of red iron ores in Birmingham, Alabama. As stated in the introduction, "the present paper deals more specifically with the development and handling of ore as affected by folds and faults in the ore bed, and considers changes that may be desirable or necessary in future mining practices" (p. 2). This paper includes illustrations, and photographs.
Date: 1927
Creator: Crane, W. R.
Partner: UNT Libraries Government Documents Department
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Engine Service Tests of Internal-Combustion Engine Lubricating Oils Made from California Crude Petroleum

Description: Technical paper issued by the Bureau of Mines over testing conducted on lubricating oils on internal-combustion engines. Results of the tests conducted are presented. This paper includes tables, photographs, and illustrations.
Date: 1926
Creator: Gavin, Martin Joseph & Wade, Gustav
Partner: UNT Libraries Government Documents Department
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Electric Brass Furnace Practice

Description: Report issued by the Bureau of Mines discussing the use of electric furnaces for melting brass, and other nonferrous alloys. Monetary benefits, health benefits, and other advantages of using electric furnaces are presented. Descriptions of furnaces and their operational methods are also presented. This report includes tables, illustrations, and photographs.
Date: 1922
Creator: Gillett, H. W. & Mack, E. L.
Partner: UNT Libraries Government Documents Department
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Mineral Facts and Problems, 1956

Description: Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions of common minerals and their uses are presented and discussed. This report includes tables, maps, and illustrations.
Date: 1956
Creator: United States. Bureau of Mines.
Partner: UNT Libraries Government Documents Department
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Mineral Facts and Problems: 1960 Edition

Description: Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions of common minerals and their uses are presented and discussed. This report includes tables, maps, illustrations, and photographs.
Date: 1960
Creator: United States. Bureau of Mines.
Partner: UNT Libraries Government Documents Department
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Mineral Facts and Problems: 1970 Edition

Description: Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions of common minerals and their uses are presented and discussed. This report includes tables, maps, and illustrations.
Date: 1970
Creator: United States. Bureau of Mines.
Partner: UNT Libraries Government Documents Department
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Mineral Facts and Problems: 1975 Edition

Description: Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions of common minerals and their uses are presented and discussed. This report includes tables, maps, and illustrations.
Date: 1980
Creator: United States. Bureau of Mines.
Partner: UNT Libraries Government Documents Department
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Physical Testing of Explosives at the Bureau of Mines Explosives Experiment Station, Brueceton, Pa.

Description: Report discussing methods of making physical tests of explosives. The methods are described in unusual detail to permit repetition that will duplicate as nearly as possible the precise manner in which they have been performed in the past and to reduce differences in technique to a minimum.
Date: 1931
Creator: Munroe, Charles E. & Tiffany, J. E.
Partner: UNT Libraries Government Documents Department
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Sampling and Estimation of Ore Deposits

Description: Report discussing methods of sampling and estimation of ore deposits employed at a large number of mines and under a wide range of conditions in connection with the exploration and mining of ore deposits. Does not include methods employed in ore-dressing and metallurgical plants.
Date: 1934
Creator: Jackson, Charles F. & Knaebel, John B.
Partner: UNT Libraries Government Documents Department
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Quarry Accidents in the United States During the Calendar Year 1931

Description: Report published by the U.S. Bureau of Mines which is a compilation of accidents in quarries located in the United States with data regarding the number and kinds of accidents as well as information about the mining operations (e.g., number of men employed, kinds of quarries, amount of work performed, etc.). This report covers 1931, which was the safest year for the industry since 1913; the data represents all states of the quarrying industry and figures are based on returns representing 1,530ā€¦ more
Date: 1933
Creator: Adams, William W.
Partner: UNT Libraries Government Documents Department
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Identification of Distillable Paraffins, Olefins, Aromatic Hydrocarbons, and Neutral Heterocyclics from A Low-Temperature Bituminous Coal Tar

Description: Report discussing an extensive characterization on the neutral oil components in a low-temperature bituminous coal tar. A total of 133 individual compounds was identified with respect to individual isomers and at least 55 other compounds were indicated to be present. Comparisons and descriptions of the compounds are presented.
Date: 1967
Creator: Karr, Clarence, Jr.; Estep, Patricia A.; Chang, Ta-Chuang Lo & Comberiati, Joseph R.
Partner: UNT Libraries Government Documents Department
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Prereduced Iron Ore Pellets: Preparation, Properties, Utilization

Description: Report discussing the a new agglomerated raw material: partially reduced, hardened iron ore pellets. The pellets are a versatile product suitable for adaptation to both ironmaking and steelmaking. Includes discussion of the technology involved in making prereduced pellets, laboratory techniques, problems of production, data from blast furnace smelting, the economics of production, and the future of the industry.
Date: 1970
Creator: Fine, M. M.; Melcher, N. B.; Bernstein, N.; Woolf, P. L. & Reuss, J. L.
Partner: UNT Libraries Government Documents Department
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The Proton Nuclear Magnetic Resonance Spectra of Pyridines

Description: Report discussing the proton NMR spectra of 32 pyridines in two solvents, carbon tetrachloride and bezene-d6, are presented. The chemical-shift and differential-shift values are correlated with the substitutent position and with the solvent media. The ring protons and the protons on alkyl substituents are tabulated. The paramagnetic shift of the protons adjacent to the nitrogen is discussed, and a proposed structure for the pyridine-benzene complex that is consistent with the observed anomalousā€¦ more
Date: 1971
Creator: McDonald, F. R.; Decora, A. W. & Cook, G. L.
Partner: UNT Libraries Government Documents Department
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