Technical Report Archive & Image Library (TRAIL) - 356 Matching Results

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Report of a Joint Committee Appointed from the Bureau of Mines and the United States Geological Survey by the Secretary of the Interior to Study the Gold Situation: October 30, 1918

Description: From Introduction: "The report presents statistical data compiled from various sources, showing the production of gold in the United States and other countries, with comparative figures for coal, iron, and other mineral products, and describes the sources and distribution of gold output in the United States."
Date: 1919
Creator: United States. Bureau of Mines.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Use of Permissible Explosives in the Coal Mines of Illinois

Description: From Introduction: "The report deals briefly with the dangers of black blasting powder now in such common use in coal mining. It discusses the development of permissible explosives and their introduction into Illinois coal mines and points out the characteristic differences between permissible explosives and black blasting powder. "
Date: 1917
Creator: United States. Bureau of Mines.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Report of the Tenth National Conference on Weights and Measures, 1915

Description: 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.
Date: 1916
Creator: United States. Bureau of Standards.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Saving Coal in Steam Power Plants

Description: Technical paper issued by the Bureau of Mines over studies conducted on steam power plants. The comparison of using purchased power versus using power from a private plant is discussed. This paper includes illustrations.
Date: 1919
Creator: United States. Fuel Administration.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Annual Report of the National Advisory Committee for Aeronautics (1st). [Administrative Report Including Technical Reports Nos. 1 to 7]

Description: Report includes the National Advisory Committee for Aeronautics letter of submittal to the President, Congressional report, summaries of the committee's activities and research accomplished, expenditures, problems, recommendations, and a compilation of technical reports produced.
Date: 1915
Creator: United States. National Advisory Committee for Aeronautics.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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A Preliminary Report on the Mining Districts of Idaho

Description: From Introduction: "The bulletin aims to give the localities of the various mining districts, and the nature of the present operations and those that have been carried out in the past."
Date: 1919
Creator: Varley, Thomas; Wright, Clarence A.; Soper, Edgar K. & Livingston, Douglas C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Removal of the Lighter Hydrocarbons from Petroleum by Continuous Distillation: with Especial Reference to Plants in California

Description: From Introduction: "The purpose of this bulletin is to describe the methods of constructing and operating representative types in the United States used for removing the light hydrocarbons from petroleum by continuous distillation, such plants being commonly known in the trade as topping or skimming plants."
Date: 1919
Creator: Wadsworth, J. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Observations on Ocean Temperatures in the Vicinity of Icebergs and in Other Parts of the Ocean

Description: Report issued by the Bureau of Standards over studies on ocean temperatures. Temperatures in the vicinity of icebergs are measured and compared with temperatures taken from other areas of the ocean. This report includes photographs, and illustrations.
Date: 1914
Creator: Waidner, C. W.; Dickinson, H. C. & Crowe, J. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Fabrics for Aeronautic Construction

Description: The Bureau of Standards undertook the investigation of airplane fabrics with the view of finding suitable substitutes for the linen fabrics, and it was decided that the fibers to be considered were cotton, ramie, silk, and hemp. Of these, the cotton fiber was the logical one to be given primary consideration. Report presents the suitability, tensibility and stretching properties of cotton fabric obtained by laboratory tests.
Date: 1918
Creator: Walen, E. D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Design of Wind Tunnels and Wind Tunnel Propellers

Description: Report discusses the theory of energy losses in wind tunnels, the application of the Drzewiecki theory of propeller design to wind tunnel propellers, and the efficiency and steadiness of flow in model tunnels of various types.
Date: 1919
Creator: Warner, Edward P.; Norton, F. H. & Hebbert, C. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Feldspars of the New England and North Appalachian States

Description: 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."
Date: 1916
Creator: Watts, A. S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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New Forms of Instruments for Showing the Presence and Amount of Combustible Gas in the Air

Description: Scientific paper issued by the Bureau of Standards over the detection of combustible gases in the air. The design and development of new detection equipment is discussed. This paper includes tables, photographs, and illustrations.
Date: June 23, 1919
Creator: Weaver, E. R. & Weibel, E. E.
Item Type: Refine your search to only Report
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.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Wet Thiogen Process for Recovering Sulphur from Sulphur Dioxide in Smelter Gases: A Critical Study

Description: From Introduction: "A critical study of the wet Thiogen process for extracting sulphur from smoke of smelters is one of several investigations related to the general smelter-smoke problem that are being conducted under direction of the Bureau of Mines. Work on the Thiogen process was started again in January, 1916, in the laboratories of the new mining experiment station at Berkeley, Cal., and was continued during the spring of 2016 until a point was reached where it was felt that the essential… more
Date: 1917
Creator: Wells, A. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Coals Available for the Manufacture of Illuminating Gas

Description: From Introduction General Statement: "The investigations were so directed as to permit the testing of coals from different parts of the united States. The results show that certain coals from which good yields of gas had been expected can not be considered as available for illuminating-gas manufacture, whereas other coals give promise and should investigated further. The data contained in this report are the outcome of the cooperative work at the laboratory mentioned during parts of the years 1… more
Date: 1911
Creator: White, A. H. & Barker, Perry
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Effect of Oxygen in Coal

Description: From Introduction: "This paper is the result of a comparative study of ultimate coal analyses made and published by the United States Geological Survey. The initial comparisons, made from a relatively small number of analyses, not only confirmed a previous conviction that the elimination of oxygen incident to the development of a coal is economically far more important than has been generally suspected, but also showed that oxygen is very nearly as harmful as ash in coal."
Date: 1911
Creator: White, David
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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