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A Study of the Current Transformer with Particular Reference to Iron Loss

Description: 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.
Date: 1911
Creator: Agnew, P. G.
Item Type: Report
Partner: UNT Libraries Government Documents Department

The Determination of the Constants of Instrument Transformers

Description: 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.
Date: 1911
Creator: Agnew, P. G. & Fitch, T. T.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Aerodynamic coefficients and transformation tables

Description: The problem of the transformation of numerical values expressed in one system of units into another set or system of units frequently arises in connection with aerodynamic problems. Report contains aerodynamic coefficients and conversion tables needed to facilitate such transformation. (author).
Date: 1918~
Creator: Ames, Joseph S
Item Type: Report
Partner: UNT Libraries Government Documents Department

Economic Methods of Utilizing Western Lignites

Description: 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.
Date: November 1915
Creator: Babcock, E. J.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Life Zones and Crop Zones of New Mexico

Description: Discusses geography, climate, agricultural practices, and crops of each life zone in New Mexico. Provides mammal, breeding bird, reptile, amphibian, and plant species list for each zone. Includes a life zone map.
Date: September 5, 1913
Creator: Bailey, Vernon
Item Type: Report
Partner: UNT Libraries Government Documents Department

Revision of the Pocket Gophers of the Genus Thomomys

Description: Describes habits, predators, morphology, sexual variation, pelages, and distribution of pocket gophers. Describes genera and group relations. Describes, lists locations and distribution, and provides a key for species and subspecies.
Date: November 15, 1915
Creator: Bailey, Vernon
Item Type: Report
Partner: UNT Libraries Government Documents Department

Instruments for Recording Carbon Dioxide in Flue Gases

Description: 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."
Date: 1916
Creator: Barkley, J. F. & Flagg, S. B.
Item Type: Report
Partner: UNT Libraries Government Documents Department

The Decline and Ultimate Production of Oil Wells, with Notes on the Valuation of Oil Properties

Description: From General Statement Purpose of the Report: "The present investigation was undertaken for the purpose of supplying some of the material so badly needed in the valuation and more efficient operation of oil properties. Because of the lack of time for further studies, the amount of data already accumulated and the policy of the Bureau of Mines of publishing as soon as possible any information that may be of use to an industry, the bulletin is issued now."
Date: 1919
Creator: Beal, Carl H.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Foundry-Cupola Gases and Temperatures

Description: From Introduction: "Among the investigations that the Bureau of Mines is conducting with a view to increasing efficiency in utilization of fuels belonging to or for the use of the Government is an investigation of the processes that take place in a foundry cupola during a melt."
Date: 1913
Creator: Belden, A. W.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Metallurgical Coke

Description: 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.
Date: September 1913
Creator: Belden, A. W.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Meteorology and aeronautics

Description: A handbook in which properties and general phenomena of the atmosphere which aeronauts and aviators should understand are discussed.
Date: January 1, 1917
Creator: Blair, William R
Item Type: Report
Partner: UNT Libraries Government Documents Department

Waste of Oil and Gas in the Mid-Continent Fields

Description: 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.
Date: May 1914
Creator: Blatchley, Raymond S.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Oil-storage Tanks and Reservoirs with a Brief Discussion of Losses of Oil in Storage and Methods of Prevention

Description: From Introduction: "The Bureau of Mines has been conducting investigations with the view of determining the types of containers best adapted to the storage of oil. These investigations have shown that tanks composed wholly of steel give the best results. Practically all such containers in use at present have wooden roofs and this type of construction is here described, although it is the belief of the writer that concrete roofs would be far more satisfactory in every way, and that the difference in cost between a concrete and a wooden roof would, as a rule, in a few year's time, be offset by a saving oil and in cost of repairs and renewals."
Date: 1918
Creator: Bowie, C. P.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Rock Quarrying for Cement Manufacture

Description: Report issued by the Bureau of Mines over rock quarries in the United States. As stated in the introduction, "the bulk of the report deals with quarrying methods and equipment, and gives special attention to drilling and blasting; a chapter on rock mining and one on prospecting are included" (p. 1). This report includes tables, illustrations, and photographs.
Date: June 1918
Creator: Bowles, Oliver
Item Type: Report
Partner: UNT Libraries Government Documents Department

Sandstone Quarrying in the United States

Description: From Preface: "It is the aim of this bulletin to point out in a general way the location of workable sandstone deposits in the United States, and to outline the most efficient and economical methods of quarrying and preparing the rock for structural and other purposes."
Date: 1917
Creator: Bowles, Oliver
Item Type: Report
Partner: UNT Libraries Government Documents Department

The Technology of Marble Quarrying

Description: 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."
Date: 1916
Creator: Bowles, Oliver
Item Type: Report
Partner: UNT Libraries Government Documents Department

Mineral Resources of Alaska: Report on Progress of Investigations in 1913

Description: From preface: The present volume is the tenth of a series of annual bulletins treating of the progress of mining in Alaska and summarizing the results achieved during the year in the investigations of the mineral resources of the Territory.
Date: 1914
Creator: Brooks, Alfred H.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Temperature Measurements in Bessemer and Open-Hearth Practice

Description: Technical paper issued by the Bureau of Standards over studies conducted on different types of furnaces, specifically the Bessemer and the open-hearth furnace. The results of the studies are presented and discussed. This paper includes tables, and illustrations.
Date: May 8, 1917
Creator: Burgess, George K.
Item Type: Report
Partner: UNT Libraries Government Documents Department