Technical Report Archive & Image Library (TRAIL) - 40 Matching Results

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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).
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).
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).
Analyses of Coals Purchased by the Government During the Fiscal Years 1908-1915
From Introduction: "This bulletin is a compilation of the results if coal analyses by the Government, including those made in the fiscal years 1908-1910, which have been previously published, and later analyses representing coals analyzed during the fiscal years 1911-1915."
The Analysis of Permissible Explosives
Report discussing an analysis of explosives which passed tests that are permissible to use in coal mines.
The Analytical Distillation of Petroleum
Report discussing results from analysis distillation of petroleum.
Black Damp in Mines
From Introduction: "This report presents the results of one phase of this study and shows how atmospheric air, after entering a coal mine, loses oxygen and gains carbon dioxide with resulting formation of so-called black damp."
Coal-Mine Fatalities in the United States, 1870-1914: with Statistics of Coal Production, Labor, and Mining Methods, by States and Calendar Years
Report published by the U.S. Bureau of Mines which is a compilation of fatal accidents in coal mines located in the United States along with notes and data about the number and causes of the fatalities. The statistics are organized according to the calendar year and divided by location to improve analysis.
The Condensation of Gasoline from Natural Gas
From Introduction: "This report treats of method of preventing some of the waste of the natural gas incidental to oil mining. This method, the condensation of gasoline from natural gas, offers to the oil operator and others a profitable means of utilizing some of the oil-well gas now being wasted."
A Direct-Reading Device for Use in Computing Characteristics of Vacuum Tungsten Lamps (with Computing Chart)
Report issued by the Bureau of Standards over the development of a computing device to be used with vacuum lamps. The methods of development are presented and discussed. This report includes tables, and illustrations.
Effective Resistance and Inductance of Iron and Bimetallic Wires
Report issued by the Bureau of Standards over the use of bimetallic wires. The resistance and inductance of the bimetallic wires are studied. This report includes tables, and illustrations.
The Feldspars of the New England and North Appalachian States
From Introduction: "The investigations presented in this bulletin have been undertaken by the bureau with a view to a better understanding of the conditions which confront the producer of commercial feldspar and also with the object of determining wherein the various deposits of feldspar differ."
The History and Development of Gold Dredging in Montana: with a Chapter on Placer-Mining Methods and Operating Costs
From Introduction: "Although the purpose of this paper is to describe gold dredging in Montana, a brief mention of some early appliances used in New Zealand, Australia, and California may serve as a world-connecting link in our consideration of the development of gold dredging."
Houses for Mining Towns
From Introduction: "The purpose of this bulletin is to supply facts on the building of well-lighted, well-ventilated, warm, attractive, and economical houses for miners, these houses being assumed units of an industrial village or town the building and management of which are under the control of a corporation, so that special conditions hold which do not apply to houses built and owned by individual miners."
The Inflammability of Illinois Coal Dusts
From Introduction: "The present paper is a report of a detailed study of the bituminous dusts of Illinois mines, and is a part of the investigations conducted by the bureau in cooperation with the Illinois State Geological Survey and the department of mining engineering of the University of Illinois."
Instruments for Recording Carbon Dioxide in Flue Gases
From introduction: "The purpose of the Bureau of Mines in publishing the results is to show the factors which may affect the accuracy of CO2 recorder and the manner in which a recorder should be tested."
Manufacture and Uses of Alloy Steels
From Introduction: "The object of this report is to give briefly information of present value relating to the manufacture and uses of the various commercial alloy steels, with the hope of stimulating the demand for such steels and extending their practical use."
Manufacture of Gasoline and Benzene-Toluene from Petroleum and Other Hydrocarbons
From Preface: "This bulletin deals with the cracking of petroleum and other hydrocarbons and the production thereby of gasoline, benzene, and toluene."
Melting Aluminum Chips
Report concerning the loss of aluminum experienced during the melting process. This report shows the magnitude of the loss through various experiments. Index begins on page 85.
Metal-Mine Accidents in the United States During the Calendar Year 1914
Report issued by the U.S. Bureau of Mines covering accidents that happened in metal mines located in the Untied States including statistics for injuries, fatalities, kinds and causes of accidents, and operational data, such as number of mine workers and shifts worked. This report includes tables and illustrations.
Methods of Sampling Delivered Coal and Specifications for the Purchase of Coal for the Government
From Introduction: "This bulletin is a revision of Bulletin 63 and is published by the Bureau of Mines in order that purchasers of coal for Government, State, municipal, or private use may be informed regarded advances or refinements in sampling coal deliveries and preparing specifications for the purchase of coal."
Miners' Nystagmus
From Preface: "The following paper on miner's nystagmus in the United States, Mr. Hoffman has reviewed the results of investigations in Europe and has drawn some tentative conclusions as to the possible frequency of the disease in this country. Whatever may be the prevalence of nystagmus in the United States, its seriousness as a disease and the need of national and State agencies cooperating in endeavors to obtain exact information regarding it are deemed sufficient reasons for the publication of Mr. Hoffman's interesting and suggestive paper.
Molybdenum; Its Ores and their Concentration with a Discussion of Markets, Prices, and Uses
From Scope and Purpose of Investigation: "The direct purpose of the bulletin is, on the one hand, to prove to possible consumers of molybdenum that the element is not as rare as commonly supposed, and that this country possesses many deposits of low-grade ore from which large supplies may be derived, and on the other hand, to prove to present and prospective producers of molybdenum that there is a latent market for their product in the alloy-steel trade, which needs only the assurance of steady supplies for a considerable development."
Report of the Tenth National Conference on Weights and Measures, 1915
Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Operating Details of Gas Producers
From Introduction: "During the early years of these plants little success was anticipated from the use of bituminous coals and lignites, but in 1904 and 1905 it was fully demonstrated at Government testing station at St. Louis that these fuels could be utilized to excellent advantage. However, although many producer-gas plants in daily operation are still skeptical regarding the successful commercial use of these fuels."
Physical and Chemical Properties of Gasolines Sold Throughout the United States During the Calendar Year 1915
Technical paper issued by the Bureau of Mines over the properties of gasoline sold during the year of 1915 in the U.S. The physical and chemical properties of the samples collected are discussed. This paper includes tables, and illustrations.
A Preliminary Report on Uranium, Radium, and Vanadium
From Introduction: "This bulletin presents a summary of available information regarding the sources of uranium, radium, and vanadium, the methods used in treating the ores, and the uses of the the finished products. In particular the paper describes the ores found in the United States, giving especial attention to those characteristics of the ores and the conditions of their occurrence that affect mining and treatment."
The Principles and Practice of Sampling Metallic Metallurgical Materials: with Special Reference to the Sampling of Copper Bullion
From Introduction: "In this report considerable space has been devoted to general and theoretical principles on the ground that under modern conditions the best results in any field of activity can be attained only with the aid of an adequate knowledge of the best theories underlying the practice. The diffusion of such knowledge in the field of sampling metallic metallurgical materials appears to have been quite insufficient, and it is felt that when the principles involved are once thoroughly comprehended their universal application will be appreciated, so it will make no difference whether pig iron of gold bullion is offered for test. "
Prospecting and Mining of Copper Ore at Santa Rita, New Mexico
Report discussing techniques for the mining of large masses of low-grade ores such as though found in Santa Rita, NM. It is hoped that a study of the methods used at Santa Rita will help engineers in other industries who may have to handle large masses of material.
Quarry Accidents in the United States During the Calendar Year 1915
Technical paper issued by the Bureau of Mines over the quarry accidents during the year of 1915 in the U.S. The locations and types of quarry accidents are presented. This paper includes tables.
Refining and Utilization of Georgia Kaolins
From Introduction: "The investigation described in this report was carried on to determine the practicability of applying technical control of clay disperse systems to the refining of kaolins and the utilization of the prepared clay in the manufacture of vitreous china and wall tile."
Special Studies in Electrolysis Mitigation: 4. A Preliminary Report on Electrolysis Mitigation in Elyria, Ohio, with Recommendations for Mitigation
Technical paper issued by the Bureau of Standards over surveys conducted on the electrical conditions of railway tracks in Elyria, Ohio. The results of the surveys are presented and discussed. This paper includes tables, maps, and illustrations.
Spirit Leveling in Texas 1896 to 1915, Inclusive
The following report includes all the results of spirit leveling in Texas, rearranged by quadrangles.
Standard Test Specimens of Zinc Bronze (Cu 88, Sn 10, Zn 2) - Parts 1 and 2: Part 1. - Preparation of Specifications, Part II. - Microstructure
Technical paper issued by the Bureau of Standards over tests conducted on the preparation of an alloy. The tests conducted, and their results are presented and discussed. This paper includes tables, illustrations, and photographs.
A Systematic Account of the Prairie Dogs
Discusses distribution, habits, economic status, predators, nomenclature, specimens, and pelages of prairie dogs. Describes, lists locations, and provides a key for species and subspecies.
The Technology of Marble Quarrying
From Preface: "The aim of this bulletin is to present to the marble workers of the United States a concise statement of the most efficient and economical methods now in use for producing and preparing marble. The observations outlined refer chiefly to the methods employed in the quarrying of marble and the conditions that affect successful operation; the structure of marble and its relation to quarry processes; waste through rock imperfections and inefficient quarry methods; and means of eliminating such waste or utilizing it if elimination is impossible."
Underground Latrines for Mines
Technical paper issued by the Bureau of Mines over the introduction of underground latrines in mines to increase sanitary conditions. The improvements made by underground latrines are presented and discussed. This paper includes photographs, and illustrations.
Underground Wastes in Oil and Gas Fields and Methods of Prevention
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.
United States Coals Available for Export Trade
From Introduction: "The purpose of this paper is to describe briefly the general character and commercial quality of some of the coals mined in the United States that reach tidewater shipping ports, and to show in a general way the important characteristics of those coals that by reason of transportation facilities and the situation of the coal fields are most available for export."
The Use of Mud-Laden Fluid in Oil and Gas Wells
From Introduction: "Technical Paper 66 deals with the mud-laden fluid process in general and No. 68 with its application in Oklahoma. Rather than reprint these publications, it has been considered advisable to replace them with the present report, which includes the results of more recent investigations. The methods of using mud-laden fluid are an outgrowth of the rotary drilling system, which was developed in Texas and later employed in Louisiana and California."
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