Technical Report Archive & Image Library (TRAIL) - 48 Matching Results

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The Use of Permissible Explosives

Description: From Preface: "The present bulletin is printed as a supplement to Bulletin 17 and is intended primarily for coal miners, especially for those working in fields where inflammable gas or coal dust may cause disastrous mine explosions. The bulletin is issued by the Bureau of Mines in the hope that it may prove helpful in lessening accidents due to the use of explosives, and in particular may aid in preventing mine explosions, many of which have been caused by the use of improper explosives."
Date: 1912
Creator: Rutledge, J. J. & Hall, Clarence
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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City Smoke Ordinances and Smoke Abatement

Description: From Introduction: "In connection with the fuel investigations conducted by the Bureau of Mines much information has been accumulated as to the smoke abatement activities in various cities. The essential features of the information are presented in this report, which, it is believed, will be of public interest and benefit, especially to those communities that are just beginning organized effort to abate unnecessary smoke."
Date: 1912
Creator: Flagg, Samuel B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Briquetting Tests of Lignite at Pittsburgh, Pennsylvania, 1908-9 : With a Chapter on Sulphite-Pitch Binder

Description: From Results of Briquetting Tests: "The results of the briquetting investigations conducted by the Government are expected to prove of considerable value, not only to the Government itself as the owner of extensive lignite deposits and largest single purchaser of fuel, but also to the people living in the the regions where lignite is found. The problem assumes still larger proportions when one realizes that the development of manufacturing industries in those regions depends upon the ability to… more
Date: 1912
Creator: Wright, Charles L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Smokeless Combustion of Coal in Boiler Furnaces

Description: From Introduction: "The present bulletin not only shows that bituminous coals high in volatile matter can be burned without smoke, but also that large plants carrying loads that fluctuate widely, where boilers over banked fires forced to the capacity of their units, can be operated without producing smoke that is objectionable."
Date: 1912
Creator: Randall, D. T. & Weeks, H. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Comparative Fuel Values of Gasoline and Denatured Alcohol in Internal-Combustion Engines

Description: From Introduction: "Under the terms of the act establishing the Bureau of Mines, this bureau was authorized to carry on the work of testing and analyzing fuels which had been conducted by the technologic branch of the United States Geological Survey. Therefore, the first investigations of the liquid mineral fuels logically embraced a careful series of comparative tests of gasoline and denatured alcohol in engines. The report is published by the Bureau of Mines because of the transfer of the fue… more
Date: 1912
Creator: Strong, R. M. & Stone, Lauson
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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An Investigation of Explosion-Proof Motors

Description: Procedure of Investigation: "The investigation described in this bulletin was undertaken by the Bureau of Mines as one of several investigations having for their purpose the ascertaining of methods for lessening the risks attending the use of electricity in mining. In this report the results of tests are related to the various types of protection employed which are described in detail."
Date: 1912
Creator: Clark, H. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Notes on Mineral Wastes

Description: From Introduction Need of Preventing Mineral Waste: "The purpose of the Bureau of Mines in publishing this report is to call attention to some of the present waste, in the hope that knowledge of the facts may lead to an increased desire to eradicate the wastes, and to greater interest in careful, practical and scientific investigations, through which only can they be overcome."
Date: 1912
Creator: Parsons, Charles L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Government Coal Purchases Under Specifications with Analyses for the Fiscal Year 1909-10,

Description: From Introduction: "This bulletin is the fourth of a series showing the results of the purchase of coal by the Government under specifications. The work of inspecting and analyzing coal delivered on Government contracts was transferred to the Bureau of Mines by an act of Congress effective July 1, 1910. It had been carried on for several years before that date by the technologic branch of the United States Geological Survey. The purpose of this paper is to explain in general terms the methods t… more
Date: 1912
Creator: Pope, George S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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North Dakota Lignite as a Fuel for Power-Plant Boilers

Description: From Introduction: "The tests described in the following report were made by the United States Geological Survey in cooperation with the United States Reclamation Service, which, in connection with its Williston project, had erected a large pumping plant at Williston, N. Dak., and had installed steam boilers with furnaces designed to burn a "brown lignite" that was mined on adjacent government land. The results of the tests made at Williston, set forth in this report, show that this fuel, throu… more
Date: 1912
Creator: Randall, D. T. & Kreisinger, Henry
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Volatile Matter of Coal

Description: From Introduction Scope of Report: "This bulletin is a report on an investigation of the volatile matter in several typical coals-its composition and amount at different temperatures of volatilization. As the investigation is still in progress and will doubtless include other coals than those already examined, the bulletin may be considered a preliminary report, stating the problems studied, the methods used, and the results thus far obtained."
Date: 1912
Creator: Porter, Horace C. & Ovitz, F. K.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Washing and Coking Tests of Coal at the Fuel-Testing Plant at the Fuel Testing Plant, Denver, Colo., July 1, 1908, to June 30, 1909

Description: From Introduction: "This bulletin deals with washing and coking tests of coal made at the Government fuel-testing plant in Denver, Colo., between July 1, 1908, and June 30, 1909."
Date: 1912
Creator: Belden, A. W.; Delamater, G. R.; Groves, J. W. & Way, K. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Mining Conditions Under the City of Scranton, Pennsylvania

Description: 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.
Date: 1912
Creator: Griffith, William & Conner, Eli T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Transmission of Heat into Steam Boilers

Description: Report discussing the results of investigations into the heat-absorbing abilities of the heating surfaces of boilers. Also discusses the laws that determine the rate of heat transfer from furnace gases through metal plates into boiler water and offers suggestions as to how these laws may be applied.
Date: 1912
Creator: Kreisinger, Hengry & Ray, Walter T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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First National Mine-Safety Demonstration, Pittsburgh, PA., October 30 and 31, 1911

Description: Report discussing the first national mine-safety demonstration in Pittsburgh, Pennsylvania, for the purpose of aiding the increase of safety in the mining industry. The demonstration was conceived as a means of encouraging the adoption of first-aid instruction or instruction in the use of artificial breathing devices and life-saving apparatus. This bulletin is intended for those who were unable to attend the demonstration.
Date: 1912
Creator: Wilson, Herbert M. & Fay, Albert H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Steaming Tests of Coals and Related Investigations: September 1, 1904, to December 31, 1908

Description: 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.
Date: 1912
Creator: Breckenridge, L. P.; Kreisinger, Henry & Ray, Walter T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Constituents of Coal Soluble in Phenol

Description: 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.
Date: 1912
Creator: Frazer, J. C. W. & Hoffman, E. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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