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Corrosion Tests on Ferrules for Tube Connections in the 1300 Area Semi-Works

Description: The corrosion characteristics of nitrided and work hardened stainless steel ferrules for use in the Parker Ferrulck tube fittings for the 1300 Area Semi-Works were studied. These tests showed that the nitrided ferrules are not suitable for use with solutions containing nitric acid, and that the work hardened ferrules are not attacked to an appreciable extent. These tests also reaffirmed the fact that stainless steel even in the nitrided conditions is not appreciably attacked by strong caustic i… more
Date: July 12, 1848
Creator: Olsone, A. R.
Partner: UNT Libraries Government Documents Department
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[Report, July 12, 1868]

Description: Handwritten report describing the sabbath school, its officers, the number of Sabbaths, and other statistical information about the Sabbath school. H. K. Redway was elected secretary of the Sabbath school.
Date: July 12, 1868
Creator: Redway, H. K.
Partner: UNT Libraries Special Collections
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Genera and Subgenera of Voles and Lemmings

Description: Revision of the genera and subgenera of voles and lemmings with comparison between North American and European.
Date: July 23, 1896
Creator: Miller, Gerrit S. (Gerrit Smith), 1869-1956
Partner: UNT Libraries Government Documents Department
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Experiments with Furnaces for a Hand-Fired Return Tubular Boiler

Description: Technical paper issued by the Bureau of Mines over tests conducted on hand-fired boiler furnaces. Testing equipment, fuel, and results of the experiments are presented. This paper includes tables, and illustrations.
Date: July 1914
Creator: Flagg, Samuel B.; Cook, George C. & Woodman, Forrest E.
Partner: UNT Libraries Government Documents Department
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Construction and Operation of a Single-Tube Cracking Furnace for Making Gasoline

Description: Technical paper issued by the Bureau of Mines over the construction of cracking furnaces for gasoline production. Descriptions of the equipment used for construction are presented and discussed. This paper includes photographs.
Date: July 1915
Creator: Bowie, C. P.
Partner: UNT Libraries Government Documents Department
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Underground Wastes in Oil and Gas Fields and Methods of Prevention

Description: Technical paper issued by the Bureau of Mines over the underground wastes of oil and gas in drilling fields. As stated in the introduction, "the writers have endeavored to establish the manner and importance of underground waste by citing a few cases and to show the means whereby it can be prevented" (p. 5). This paper includes illustrations.
Date: July 1916
Creator: McMurray, William F. & Lewis, James O.
Partner: UNT Libraries Government Documents Department
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Approved Electric Lamps for Miners

Description: From introduction: "The Bureau of Mines calls attention to the dangers of open-flame lamps in any coal mine."
Date: July 1917
Creator: Clark, H. H. & Ilsley, L. C.
Partner: UNT Libraries Government Documents Department
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Approved Electric Lamps for Miners

Description: Report describing the development of a number of types of lamps for miners that meet the requirements of the Bureau of Mines. Discusses the features and qualities of these lamps in detail.
Date: July 1917
Creator: Clark, H. H. & Ilsley, L. C.
Partner: UNT Libraries Government Documents Department
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Gypsum Products: Their Preparation and Uses

Description: Technical report issued by the Bureau of Mines over the different uses of gypsum. The sources and uses of gypsum are presented and discussed. This report includes tables, photographs, and illustrations.
Date: July 1917
Creator: Stone, Ralph W.
Partner: UNT Libraries Government Documents Department
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Effect of Rate of Temperature Change on the Transformations in an Alloy Steel

Description: Scientific paper issued by the Bureau of Standards over studies conducted on the effects of temperature change on alloy steel. The experimental methods used and the results are presented and discussed. This paper includes tables, photographs, and illustrations.
Date: July 10, 1919
Creator: Scott, Howard
Partner: UNT Libraries Government Documents Department
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Duralumin

Description: Various properties of duralumin as used in aircraft construction are discussed, including the effects of temperature, working, tempering, and strength.
Date: July 1920
Creator: Unger, E. & Schmidt, E.
Partner: UNT Libraries Government Documents Department
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The Manufacture of Sulphuric Acid in the United States

Description: Report issued by the Bureau of Mines over the production of sulfuric acid. As stated in the introduction, "the present bulletin was prepared to cover the main facts in regard to the industry in this country, including a discussion of the supplies of sulfur-bearing raw materials, the situation of the acid plants, the principal points in regard to manufacturing processes, and the uses of the acid" (p. 2). This report includes tables, illustrations, photographs, and a map.
Date: July 1920
Creator: Wells, Arthur Edward & Fogg, Donald E.
Partner: UNT Libraries Government Documents Department
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Static Testing and Proposed Standard Specifications

Description: Static tests fall into two groups, the first of which is designed to load all members of the structure approximately in accordance with the worst loads which they carry in flight, while the second is directed to the testing of specific members which are suspected of weakness and which are difficult to analyze mathematically. The nature of the loading in the second type is different for every different test, but the purpose of the first is defined clearly enough to permit the adoption of some st… more
Date: July 1920
Creator: Warner, E. P.
Partner: UNT Libraries Government Documents Department
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Theory of Lifting Surfaces

Description: The general basis of the theory of lifting surfaces is discussed. The problem of the flow of a fluid about a lifting surface of infinite span is examined in terms of the existence of vortexes in the current. A general theory of permanent flow is discussed. Formulas for determining the influence of aspect ratio that may be applied to all wings, whatever their plane form, are given.
Date: July 1920
Creator: Prandtl, L.
Partner: UNT Libraries Government Documents Department
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Abacus for the Reduction of English Measures to the Metric System and Vice Versa

Description: This report presents a description of an abacus with three scales: one for English measures, one for metric measures, and one with the "points of reduction", as well as construction details. There is also a detailed description on how to use the abacus.
Date: July 1921
Creator: Tenani, Mario
Partner: UNT Libraries Government Documents Department
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The Caproni Seaplane

Description: The Caproni Company recently built a seaplane of unusual design. The main supporting surfaces consisted of three triplanes in tandem, the lower wings being attached to the hull, which was described as providing accommodation for a hundred passengers. On one of the first flights, the seaplane fell into a lake, nose down, and was destroyed. The authors wish to show that this failure could have been predicted.
Date: July 1921
Creator: Munk, Max
Partner: UNT Libraries Government Documents Department
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The Drawing of Experimental Curves

Description: This report presents a discussion of how to determine the location of a line or surface from experimental data. What we desire to know practically is the number of ordinates required to obtain a certain probable precision in drawing a line or surface.
Date: July 1921
Creator: Norton, F. H.
Partner: UNT Libraries Government Documents Department
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The Dynamometer Hub for the Testing Propellers and Engines During Flight

Description: The need for a device to measure flight resistance, engine and propeller power, and efficiency during flight grew in proportion to the demand for increased flying capacity in military types of aircraft. Here, a dynamometer hub was inserted between the engine and the propeller. Taken as a whole, the tests that were conducted show that though the dynamometer is a sensitive instrument liable to numerous derangements, it is undeniably useful even in its present form, when handled with care and skil… more
Date: July 1921
Creator: Enoch, O.
Partner: UNT Libraries Government Documents Department
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Flexible Petrol Pipe

Description: Report presenting an examination of flexible piping and some of the difficulties involved in creating satisfactory flexible pipe. The joint used to assist in the flexibility of the pipe is illustrated and described.
Date: July 1921
Partner: UNT Libraries Government Documents Department
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Laboratory Studies of the Trent Process

Description: Report issued by the U.S. Bureau of Mines detailing the laboratory-scale tests of the efficiency of the Trent process in cleaning coal, in which powdered coal, water, and oil is agitated or beaten together to remove impurities. The report includes details in tables detailing the efficiency varying the type and amounts of coal, oil, and water on the process.
Date: July 1921
Creator: Perrott, G. St. John & Kinney, Selwyne Perez
Partner: UNT Libraries Government Documents Department
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The Problem of Fuel for Aviation Engines

Description: Note presenting the physical properties which may be demanded of fuels for aviation use and the means that may be adopted by the engine manufacturers to properly meet the demands necessitated by the use of the fuel. Some of the factors that must be considered include its composition, the quantity available, the price per heat unit, and the possibility of keeping stocks in aerial ports both at home and abroad.
Date: July 1921
Creator: Kutzbach & James, W. S.
Partner: UNT Libraries Government Documents Department
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Theory of the ideal windmill

Description: Report presenting the theory of the ideal propeller, which is important for solving the problem of the action of propellers. Several different theories of propeller action are described and compared to determine which ones seem to be the most accurate.
Date: July 1921
Creator: Hoff, Wilhelm
Partner: UNT Libraries Government Documents Department
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