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Technical Report Archive and Image Library
- The Mutual Inductance of Two Circular Coaxial Coils of Rectangular Section
- Report issued by the Bureau of Standards over formulas proposed "for calculating the mutual inductance of coaxial coils" (p. 359). The different formulas proposed are presented and discussed. This report includes tables, and illustrations. digital.library.unt.edu/ark:/67531/metadc66517/
- A New Determination of the Ratio of the Electromagnetic to the Electrostatic Unit of Electricity [Part 1]
- Report issued by the Bureau of Standards over new determinations made in regard to units of electricity. Methods and equipment used are discussed. This report includes tables, illustrations, and photographs. Part 1 includes sections I through VI. digital.library.unt.edu/ark:/67531/metadc66519/
- On the Establishment of the Thermodynamic Scale of Temperature by Means of the Constant-Pressure Thermometer
- Report issued by the Bureau of Standards over two different types of gas thermometry, with its main focus on the constant-pressure thermometer. The thermodynamic scale of temperature is also discussed. This report includes tables, and illustrations. digital.library.unt.edu/ark:/67531/metadc66518/
- On the Standard Scale of Temperature in the Interval of 0⁰ to 100⁰ Celsius
- Report issued by the Bureau of Standards over the temperature scale from 0 to 100 degrees Celsius. Details on the history and use of the scale are discussed. This report includes tables, illustrations, and photographs. digital.library.unt.edu/ark:/67531/metadc66520/
- Selective Radiation from the Nernst Glower
- Report issued by the Bureau of Standards over studies conducted on the radiation emitted from a Nernst filament. Methods and results of the studies are presented and discussed. This report includes tables, and illustrations. digital.library.unt.edu/ark:/67531/metadc66521/
- The Testing of Glass Volumetric Apparatus
- Report issued by the Bureau of Standards over testing conducted on volumetric glass apparatus. Types of glass apparatus being tested are presented and discussed. The results of the testing are also discussed. This report includes tables, illustrations, and photographs. digital.library.unt.edu/ark:/67531/metadc66522/
- A New Form of Standard Resistance
- Report issued by the Bureau of Standards over new developments of electrical resistivity in manganin wire coils. The results of the developments are discussed. This report includes tables, illustrations, and photographs. digital.library.unt.edu/ark:/67531/metadc66524/
- Dependence of Magnetic Hysteresis upon Wave Form
- Report issued by the Bureau of Standards over studies on magnetic hysteresis and its dependence upon wave form. Methods and equipment used during the studies are presented and discussed. This report includes tables, and illustrations. digital.library.unt.edu/ark:/67531/metadc66523/
- Coupled Circuits in Which the Secondary has Distributed Inductance and Capacity
- Report issued by the Bureau of Standards over studies conducted on coupled circuits. Emphasis was placed on the secondary circuit and its inductance and capacity. The results of the studies are presented and discussed. This report includes illustrations. digital.library.unt.edu/ark:/67531/metadc66526/
- The Determination of the Constants of Instrument Transformers
- Report issued by the Bureau of Standards over studies on instrument transformers. As stated in the first paragraph, "the principle of the method here described is the same for both current and potential transformers, being an application of the potentiometer method" (p. 281). The methods and equipment studied are presented and discussed. digital.library.unt.edu/ark:/67531/metadc66527/
- The Electrical Conductivity of Commercial Copper
- Report issued by the Bureau of Standards over the conductivity of copper. Samples of commercial copper were studied, and the results are presented and discussed. This report includes tables, illustrations, and photographs. digital.library.unt.edu/ark:/67531/metadc66529/
- A Modified Method for the Determination of Relative Wave-Lengths
- Report issued by the Bureau of Standards over developments made to the methods for the determination of relative wave-lengths. The methods developed are discussed. This report includes tables, and illustrations. digital.library.unt.edu/ark:/67531/metadc66528/
- Notes on Explosive Mine Gases and Dusts: With Special Reference to Explosions in the Monongah, Darr, and Naomi Coal Mines
- Report issued by the Bureau of Mines discussing coal mining gas and dust explosions, specifically those at the Monongah, Darr, and Naomi mines of Pennsylvania and West Virginia. Studies on mine explosions, as well as methods and analyses are presented. This report includes tables, and an illustration. digital.library.unt.edu/ark:/67531/metadc38812/
- Platinum Resistance Thermometry at High Temperatures
- Report issued by the Bureau of Standards over platinum resistance thermometry. The advantages and limitations at high temperatures are discussed. This report includes tables, and illustrations. digital.library.unt.edu/ark:/67531/metadc66525/
- The Steam-Turbine Expansion Line on the Mollier Diagram, and a Short Method of Finding the Reheat Factor
- Report issued by the Bureau of Standards over the Mollier diagram. The steam-turbine expansion line on the diagram is discussed. This report includes tables, and illustrations. digital.library.unt.edu/ark:/67531/metadc66531/
- A Study of the Current Transformer with Particular Reference to Iron Loss
- Report issued by the Bureau of Standards over studies conducted on current transformers. Emphasis is placed on iron loss. The results of the studies are presented and discussed. This report includes tables, and illustrations. digital.library.unt.edu/ark:/67531/metadc66530/
- The Utilization of Fuel in Locomotive Practice
- Report that investigates the possibility of conserving coal despite its extensive use in railroad locomotives across the United States. Includes an experiment using different grades of coal in an approximation of a locomotive, as well as data regarding fuel utilization and loss. digital.library.unt.edu/ark:/67531/metadc12251/
- The Constituents of Coal Soluble in Phenol
- Technical paper issued by the Bureau of Mines over studies conducted on the constituents of coal. As stated in the introduction, "this paper presents some results of an investigation of the nature of the chemical compounds that go to make up the complex material known as coal" (p. 5). This report includes tables and a chart. digital.library.unt.edu/ark:/67531/metadc66412/
- [Illustrations: Mining Conditions Under the City of Scranton, Pennsylvania]
- Maps that illustrate sections of the anthracite coal mines beneath the city of Scranton, Pennsylvania to accompany a bulletin issued by the U.S. Bureau of Mines. digital.library.unt.edu/ark:/67531/metadc12438/
- Mining Conditions Under the City of Scranton, Pennsylvania
- Bulletin issued by the U.S. Bureau of Mines regarding the conditions of the mines beneath the city of Scranton, Pennsylvania, including suggestions about methods to continue excavating coal while preserving the structural integrity of the city's foundation. digital.library.unt.edu/ark:/67531/metadc12241/
- The Smoke Problem at Boiler Plants, A Preliminary Report
- Report concerning the rise in the usage of coal and the growing pollution of coal smoke. Includes the ordinances of several cities that arose to combat this pollution. digital.library.unt.edu/ark:/67531/metadc12841/
- Steaming Tests of Coals and Related Investigations: September 1, 1904, to December 31, 1908
- Report issued by the Bureau of Mines over studies conducted on fuel-testing plants. The results of steaming tests on coals are presented and discussed. This report includes tables, illustrations, and photographs. digital.library.unt.edu/ark:/67531/metadc38736/
- Abstracts of Current Decisions on Mines and Mining: October, 1912 to March, 1913
- Bulletin issued by the U.S. Bureau of Mines. From the Preface: "This publication is devoted exclusively to a review and abstracts of decisions based on the laws governing the rights and duties of mine owners, operators, miners, and persons trafficking in all kinds of mining properties. It includes abstracts of current decisions of all the Federal and State courts of last resort on questions relating to the mining industries" (p. 9). digital.library.unt.edu/ark:/67531/metadc12274/
- Density and Thermal Expansion of Ethyl Alcohol and of its Mixtures with Water
- Report issued by the Bureau of Standards over the thermal expansion of ethyl alcohol. As stated in the introduction, "the scope of the present work includes the preparation of pure anhydrous ethyl alcohol, the determination of the density and thermal expansion of this alcohol and its mixtures with water, and the construction from these data of tables for convenient use" (p. 328). This report includes tables, and illustrations. digital.library.unt.edu/ark:/67531/metadc66532/
- The Sampling and Examination of Mine Gases and Natural Gas
- Report by the U.S. Bureau of Mines based on experiments performed in Pittsburgh, Pennsylvania to study mine gases. Findings in this bulletin include descriptions of the experiments and equipment used: "The first part of this report deals with the methods used by the bureau in the collection and examination of the various mine gases; the latter part discusses the bureau's methods of sampling and examining natural gas" (p. 5). digital.library.unt.edu/ark:/67531/metadc12258/
- Sand Available for Filling Mine Workings in the Northern Anthracite Basin of Pennsylvania
- No Description digital.library.unt.edu/ark:/67531/metadc12260/
- Sanitation at Mining Villages in the Birmingham District, Alabama
- Technical paper issued by the Bureau of Mines over sanitary conditions in Birmingham district mining villages. The sanitation procedures and conditions of various villages are presented. This report includes photographs, and illustrations. digital.library.unt.edu/ark:/67531/metadc66416/
- Hydraulic Mine Filling: Its Use in the Pennsylvania Anthracite Fields, A Preliminary Report
- Report issued by the Bureau of Mines over studies conducted on hydraulic mine filling. The different uses of this type of mine filling are discussed. This report includes tables, and illustrations. digital.library.unt.edu/ark:/67531/metadc38737/
- Metallurgical Coke
- Technical paper issued by the Bureau of Mines over studies on metallurgical coke. As stated in the introduction, "in this paper the attempt is made to summarize the history of coke making in the United States, to indicate the development of different methods and the modern types of ovens, and to point out the composition and physical properties of the metallurgical cokes produced in this country" (p. 5). This paper includes tables, illustrations, photographs, and a map. digital.library.unt.edu/ark:/67531/metadc66428/
- Abstracts of Current Decisions on Mines and Mining: March to December, 1913
- Bulletin issued by the U.S. Bureau of Mines: "This publication is devoted exclusively to a review and abstracts of decisions based on the laws governing the rights and duties of mine owners, operators, miners, and persons trafficking in all kinds of mining properties. It includes abstracts of current decisions of all the Federal and State courts of last resort on questions relating to the mining industries" (Bulletin 61, p. 9). digital.library.unt.edu/ark:/67531/metadc12291/
- Analyses of Mine and Car Samples of Coal Collected in the Fiscal Years 1911 to 1913
- Report issued by the Bureau of Mines over analyses of coal samples collected from 1911 to 1913. The analyses and descriptions of the samples are presented and discussed. This report includes tables, and illustrations. digital.library.unt.edu/ark:/67531/metadc38740/
- The Humidity of Mine Air with Especial Reference to Coal Mines in Illinois
- No Description digital.library.unt.edu/ark:/67531/metadc12295/
- Waste of Oil and Gas in the Mid-Continent Fields
- Technical paper issued by the Bureau of Mines over studies of waste in oil and gas fields in the mid-continent area. As stated in the introduction, this report "describes the general amounts and kinds of waste, and attempts to show the importance of conserving these natural resources" (p. 5). This paper includes tables, maps, illustrations, and photographs. digital.library.unt.edu/ark:/67531/metadc66424/
- Experiments with Furnaces for a Hand-Fired Return Tubular Boiler
- 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. digital.library.unt.edu/ark:/67531/metadc66420/
- Abstracts of Current Decisions on Mines and Mining: December, 1913, to September, 1914
- Bulletin issued by the U.S. Bureau of Mines: "This publication is devoted exclusively to a review and abstracts of decisions based on the laws governing the rights and duties of mine owners, operators, miners, and persons trafficking in all kinds of mining properties. It includes abstracts of current decisions of all the Federal and State courts of last resort on questions relating to the mining industries" (Bulletin 61, p. 9). digital.library.unt.edu/ark:/67531/metadc12299/
- Abstracts of Current Decisions on Mines and Mining: October, 1914, to April, 1915
- Bulletin issued by the U.S. Bureau of Mines: "This publication is devoted exclusively to a review and abstracts of decisions based on the laws governing the rights and duties of mine owners, operators, miners, and persons trafficking in all kinds of mining properties. It includes abstracts of current decisions of all the Federal and State courts of last resort on questions relating to the mining industries" (Bulletin 61, p. 9), digital.library.unt.edu/ark:/67531/metadc12309/
- Equilibrium in the System: Lead Acetate, Lead Oxide, and Water, at 25⁰
- Report issued by the Bureau of Standards over studies on basic acetates and their importance as an effective clarifying agent. The analytical procedures and the results of the studies are discussed. This report includes tables, and illustrations. digital.library.unt.edu/ark:/67531/metadc66536/
- Mine-Ventilation Stoppings: with Especial Reference to Coal Mines in Illinois
- No Description digital.library.unt.edu/ark:/67531/metadc12306/
- Specific Heat of Copper in the Interval 0⁰ to 50⁰ Celsius with a Note on Vacuum-Jacketed Calorimeters
- Report issued by the Bureau of Standards over studies on the specific heat of copper. The methods and equipment used for the studies are discussed. This report includes tables, photographs, and illustrations. digital.library.unt.edu/ark:/67531/metadc66535/
- United States Mining Statutes Annotated: Part 1 - Sections and Statutes Relating to Metalliferous and Coal Mining
- Report issued by the Bureau of Mines over the mining statutes for metalliferous and coal mining. The statutes are presented and discussed in detail. digital.library.unt.edu/ark:/67531/metadc38743/
- United States Mining Statutes Annotated: Part 2- Miscellaneous Mining Subjects
- Report issued by the Bureau of Mines over mining statutes in the United States. Different laws are presented and discussed according to the state in which they apply. digital.library.unt.edu/ark:/67531/metadc38744/
- The Vapor Pressure of Arsenic Trioxide
- 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. digital.library.unt.edu/ark:/67531/metadc66432/
- Methods of Preventing and Limiting Explosions in Coal Mines
- Technical paper issued by the Bureau of Mines over safety prevention in coal mines. Preventing mine explosions is emphasized. Methods used in mine safety are discussed. This paper includes tables, illustrations, and photographs. digital.library.unt.edu/ark:/67531/metadc66436/
- Construction and Operation of a Single-Tube Cracking Furnace for Making Gasoline
- 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. digital.library.unt.edu/ark:/67531/metadc66397/
- Economic Methods of Utilizing Western Lignites
- Report issued by the Bureau of Mines over western lignite. The economic use of these lignite deposits is discussed. This report includes tables, illustrations, and photographs. digital.library.unt.edu/ark:/67531/metadc38742/
- Extraction and Recovery of Radium, Uranium and Vanadium from Carnotite
- Report issued by the Bureau of Mines discussing extraction and recovery of different ores from carnotite. Equipment and methods for extraction are presented. This report includes tables, illustrations, and photographs. digital.library.unt.edu/ark:/67531/metadc38814/
- Graphic Studies of Ultimate Analyses of Coals
- Technical paper issued by the Bureau of Mines over studies of analyses of coals. The results are discussed and presented on various diagrams. This paper includes tables, and illustrations. digital.library.unt.edu/ark:/67531/metadc66444/
- Abstracts of Current Decisions on Mines and Mining: May to September, 1915
- Bulletin issued by the U.S. Bureau of Mines: "This publication is devoted exclusively to a review and abstracts of decisions based on the laws governing the rights and duties of mine owners, operators, miners, and persons trafficking in all kinds of mining properties. It includes abstracts of current decisions of all the Federal and State courts of last resort on questions relating to the mining industries" (Bulletin 61, p. 9). digital.library.unt.edu/ark:/67531/metadc12319/
- Abstracts of Current Decisions on Mines and Mining: October to December, 1915
- Bulletin issued by the U.S. Bureau of Mines: "This publication is devoted exclusively to a review and abstracts of decisions based on the laws governing the rights and duties of mine owners, operators, miners, and persons trafficking in all kinds of mining properties. It includes abstracts of current decisions of all the Federal and State courts of last resort on questions relating to the mining industries" (Bulletin 61, p. 9). digital.library.unt.edu/ark:/67531/metadc12324/
- Abstracts of Current Decisions on Mines and Mining: January to April, 1916
- Bulletin issued by the U.S. Bureau of Mines: "This publication is devoted exclusively to a review and abstracts of decisions based on the laws governing the rights and duties of mine owners, operators, miners, and persons trafficking in all kinds of mining properties. It includes abstracts of current decisions of all the Federal and State courts of last resort on questions relating to the mining industries" (Bulletin 61, p. 9). digital.library.unt.edu/ark:/67531/metadc12332/