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

Search Results

prev Results: 301 - 324 next
open access

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
open access

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
open access

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
open access

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
open access

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
open access

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
open access

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
open access

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
open access

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
open access

A Biological Survey of Colorado

Description: From introduction: "Report based chiefly on the field work prosecuted during 1905, 1906, 1907, and 1909. It is primarily a characterization of the several major distribution areas or life zones."
Date: August 17, 1911
Creator: Cary, Merritt
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

A Systematic Synopsis of the Muskrats

Description: From introduction: "Systematic account of the genus Fiber through study of over 1,000 specimens, chiefly well-prepared skins, accompanied by skulls, together with many odd skulls and skeletons."
Date: April 29, 1911
Creator: Hollister, N.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Apparatus and Methods for the Sampling and Analysis of Furnace Gases

Description: From Introduction: "It is the purpose of this paper to describe some apparatus and methods which have proved satisfactory to those engaged in the chemical work of the investigations mentioned. While these methods and apparatus have been designed more particularly with regard to analysis of furnace gases, their use is by no means limited to that purpose."
Date: 1911
Creator: Frazer, J. C. W. & Hoffman, E. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Binders for Coal Briquets: Investigations Made at the Fuel-Testing Plant, St. Louis, Missouri

Description: From Introduction: "The problem is always to produce at a profit a briquet of satisfactory grade for the use intended. This problem will be made clearer by a brief summary of the available binders, followed by a preliminary discussion of the characteristics of a good briquet."
Date: 1911
Creator: Mills, James E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Briquetting Tests at the United States Fuel-Testing Plant, Norfolk, Virginia, 1907-8

Description: From Briquetting Tests: "The briquetting work undertaken at Norfolk had these specific objects: 1. To determine what percent of pitch or other binder was necessary to make a satisfactory briquet out of the coals tested. 2. To investigate the relative merits of different binders. 3. To provide briquets for comparative combustion tests of run-of-mine coal and the same coal briquetted."
Date: 1911
Creator: Wright, Charles L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

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
open access

Commercial Deductions from Comparisons of Gasoline and Alcohol Tests on Internal-Combustion Engines

Description: From Introduction: "The following report is a summary of the commercial results which were obtained from 2,000 tests conducted by technologic branch of the United States Geological Survey at St. Louis, Mo., and Norfolk, Va., in 1907 and 1908, under the technical supervision of R.H. Fernald, engineer in charge of the producer-gas section."
Date: 1911
Creator: Strong, Robert M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
Back to Top of Screen