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Determination of Phenols in Coal Tars and Hydroxyl Groups in Coal by Forming Trimethylsilyl Ethers (open access)

Determination of Phenols in Coal Tars and Hydroxyl Groups in Coal by Forming Trimethylsilyl Ethers

From Introduction: "This report reviews related previous work and describes studies by the Bureau of Mines on (1) the development of new methods for analyzing phenols, (2) the development of a specific method for the determination of phenolic hydoxyl groups in coal, and (3) the preparation and properties of trimethylsiyl derivatives of individual phenols."
Date: 1963
Creator: Friedman, Sidney; Zahn, Charles; Kaufman, Marvin & Wender, Irving
Object Type: Report
System: The UNT Digital Library
Effect of Exposure Site on Weather Resistance of Porcelain Enamels Exposed for Three Years (open access)

Effect of Exposure Site on Weather Resistance of Porcelain Enamels Exposed for Three Years

From Introduction: "The present report describes the condition of all of the porcelain enamels after exposure for 3 yr."
Date: April 10, 1962
Creator: Moore, Dwight G. & Potter, Alan
Object Type: Report
System: The UNT Digital Library
Effects of Ancient Stream Channel Deposits on Mine Roof Stability: A Case Study (open access)

Effects of Ancient Stream Channel Deposits on Mine Roof Stability: A Case Study

Report issued by the Bureau of Mines over studies conducted on mine roof stability. Mining methods to improve roof stability are discussed. This report includes tables, maps, illustrations, and photographs.
Date: 1987
Creator: Ingram, David K. & Chase, Frank E.
Object Type: Report
System: The UNT Digital Library
Essential Factors in the Formation of Producer Gas (open access)

Essential Factors in the Formation of Producer Gas

From Introduction Scope and Purpose of Inquiry: "The Bureau of Mines, to which the testing and analyzing of fuels as carried on by the United States Geographical Survey has been transferred, is continuing producer-gas investigations at the testing station at Pittsburgh, Pa. Results of the gas-producer tests made at the coal-testing plant erected at St.Louis, Mo., and of a study of some of the problems that came up in the tests have been published by Geological Survey. Results of the tests made at Norfolk, Va., and Pittsburgh, Pa. and of further studies of particular problems, will be published by the Bureau of Mines."
Date: 1911
Creator: Clement, J. K.; Adams, L. H. & Haskins, C. N.
Object Type: Report
System: The UNT Digital Library
Estimate of Known Recoverable Reserves of Coking Coal in Allegheny County, Pennsylvania (open access)

Estimate of Known Recoverable Reserves of Coking Coal in Allegheny County, Pennsylvania

Report issued by the Bureau of Mines over studies on the reserves of coking coal from Allegheny County, Pennsylvania. The results of the investigations and the different coal beds sampled are presented. This report includes tables, and maps.
Date: September 1953
Creator: Wallace, Joseph J.; Dowd, James J.; Provost, John M.; Abernethy, R. F. & Reynolds, D. A.
Object Type: Report
System: The UNT Digital Library
Explosion Tests of Pittsburgh Coal Dust in the Experimental Mine, 1925 to 1932, Inclusive (open access)

Explosion Tests of Pittsburgh Coal Dust in the Experimental Mine, 1925 to 1932, Inclusive

From Introduction and Summary: "The first of these was Bulletin 353, dealing with the tests of rock-dust barriers; the second is the present paper, which reports tests made to determine the effect on the explosibility of Pittsburgh coal dust of altering conditions under which the tests were made; the third, dealing with tests of dust prepared from approximately 20 coals taken from beds in mines in different parts of the United States, will follow after the completion of testing in progress at the time of writing."
Date: 1933
Creator: Rice, George S.; Greenwald, H. P. & Howarth, H. C.
Object Type: Report
System: The UNT Digital Library
First Series of Coal-Dust Explosion Tests in the Experimental Mine (open access)

First Series of Coal-Dust Explosion Tests in the Experimental Mine

From Introduction: "This report has been prepared, not only for the purpose of recoding the results of the first series of coal-dust tests conducted in the experimental mine of the Bureau of Mines, but also to place before the mining public a description of the mine and an account of the objects sought in an its establishment."
Date: 1913
Creator: Rice, George S.; Jones, L. M.; Clement, J. K. & Egy, W. L.
Object Type: Report
System: The UNT Digital Library
The Flow of Heat Through Furnace Walls (open access)

The Flow of Heat Through Furnace Walls

From Introduction: "This bulletin contains a statement of certain results that will be embodied in a report describing investigations of the combustion of fuel made by the United States Geological Survey and the Bureau of Mines in a specially constructed long furnace."
Date: 1911
Creator: Ray, Walter T. & Kreisinger, Henry
Object Type: Report
System: The UNT Digital Library
Game Apparatus (open access)

Game Apparatus

Patent for a game that is designed to impart instruction or information according to subject or topic desired.
Date: November 22, 1910
Creator: Prickett, Clinton E. & Cool, Roy D.
Object Type: Patent
System: The Portal to Texas History
Hellcat News, (Wilkinsburg, Pa.), Vol. 2, No. 12, Ed. 1, September 1948 (open access)

Hellcat News, (Wilkinsburg, Pa.), Vol. 2, No. 12, Ed. 1, September 1948

Newsletter published by the 12th Armored Division Association, discussing news related to the activities of the U.S. Army unit and updates on previous members of the division.
Date: September 1948
Creator: Twelfth Armored Division Association (U.S.)
Object Type: Newspaper
System: The Portal to Texas History
Hellcat News, (Wilkinsburg, Pa.), Vol. 3, No. 1, Ed. 1, October-November 1948 (open access)

Hellcat News, (Wilkinsburg, Pa.), Vol. 3, No. 1, Ed. 1, October-November 1948

Newsletter published by the 12th Armored Division Association, discussing news related to the activities of the U.S. Army unit and updates on previous members of the division.
Date: October 1948
Creator: Twelfth Armored Division Association (U.S.)
Object Type: Newspaper
System: The Portal to Texas History
Hellcat News, (Wilkinsburg, Pa.), Vol. 3, No. 2, Ed. 1, December 1948 (open access)

Hellcat News, (Wilkinsburg, Pa.), Vol. 3, No. 2, Ed. 1, December 1948

Newsletter published by the 12th Armored Division Association, discussing news related to the activities of the U.S. Army unit and updates on previous members of the division.
Date: December 1948
Creator: Twelfth Armored Division Association (U.S.)
Object Type: Newspaper
System: The Portal to Texas History
Hellcat News, (Wilkinsburg, Pa.), Vol. 3, No. 3, Ed. 1, January/February 1949 (open access)

Hellcat News, (Wilkinsburg, Pa.), Vol. 3, No. 3, Ed. 1, January/February 1949

Newsletter published by the 12th Armored Division Association, discussing news related to the activities of the U.S. Army unit and updates on previous members of the division.
Date: 1949
Creator: Twelfth Armored Division Association (U.S.)
Object Type: Newspaper
System: The Portal to Texas History
Hellcat News, (Wilkinsburg, Pa.), Vol. 3, No. 4, Ed. 1, March/April 1949 (open access)

Hellcat News, (Wilkinsburg, Pa.), Vol. 3, No. 4, Ed. 1, March/April 1949

Newsletter published by the 12th Armored Division Association, discussing news related to the activities of the U.S. Army unit and updates on previous members of the division.
Date: 1949
Creator: Twelfth Armored Division Association (U.S.)
Object Type: Newspaper
System: The Portal to Texas History
Hellcat News, (Wilkinsburg, Pa.), Vol. 4, No. 1, Ed. 1, September 1949 (open access)

Hellcat News, (Wilkinsburg, Pa.), Vol. 4, No. 1, Ed. 1, September 1949

Newsletter published by the 12th Armored Division Association, discussing news related to the activities of the U.S. Army unit and updates on previous members of the division.
Date: September 1949
Creator: Twelfth Armored Division Association (U.S.)
Object Type: Newspaper
System: The Portal to Texas History
Hellcat News, (Wilkinsburg, Pa.), Vol. 4, No. 2, Ed. 1, December 1949 (open access)

Hellcat News, (Wilkinsburg, Pa.), Vol. 4, No. 2, Ed. 1, December 1949

Newsletter published by the 12th Armored Division Association, discussing news related to the activities of the U.S. Army unit and updates on previous members of the division.
Date: December 1949
Creator: Twelfth Armored Division Association (U.S.)
Object Type: Newspaper
System: The Portal to Texas History
High-Sulfur Pittsburgh Coal: Upgrading in Southwestern Pennsylvania and Northern West Virginia (open access)

High-Sulfur Pittsburgh Coal: Upgrading in Southwestern Pennsylvania and Northern West Virginia

From Summary and Conclusions: "This report deals with upgrading to metal-lurgical standards of large reserves of high-sulfur Pittsburgh coal remaining in southwestern Pennsylvania and northern West Virginia."
Date: 1950
Creator: Fraser, Thomas; Crentz, W. L. & Bailey, A. L.
Object Type: Report
System: The UNT Digital Library
Improvements in Manufacture of Organic Solvents (open access)

Improvements in Manufacture of Organic Solvents

Patent for new improvements to the manufacture of organic solvents. Specifically as it it relates to the treatment of acetone oils with catalysts for the purpose of converting the ketones contained within the acetone oil into alcohol.
Date: December 5, 1914
Creator: Hibbert, Harold
Object Type: Patent
System: The Portal to Texas History
Incidental Problems in Gas-Producer Tests (open access)

Incidental Problems in Gas-Producer Tests

From Introduction: "In the course of this study many incidental problems of prime importance have demanded consideration. Among them is the determination, under practically constant conditions, of the duration of gas-producer tests necessary to reduce the possible error to minimum. A discussion of this proper length of test period forms the part of this bulletin."
Date: 1911
Creator: Fernald, R. H.; Smith, C. D.; Clement, J. K. & Grine, H. A.
Object Type: Report
System: The UNT Digital Library
Infrared and Ultraviolet Spectrometric Techniques and Spectra-Structure Correlations (open access)

Infrared and Ultraviolet Spectrometric Techniques and Spectra-Structure Correlations

From Introduction: "The work in absorption spectrometry performed in the Bureau at Bruceton laboratories will be described in this bulletin."
Date: 1966
Creator: Friedel, R. A. & Queiser, J. A.
Object Type: Report
System: The UNT Digital Library
International Conference of Mine-Experiment Stations: Pittsburgh, Pennsylvania, U.S.A., September 14-21, 1912. (open access)

International Conference of Mine-Experiment Stations: Pittsburgh, Pennsylvania, U.S.A., September 14-21, 1912.

Report discussing an international conference on mine-experiment stations assembling in Pittsburgh, Pennsylvania. The United States sent invitations to countries that had mine-experiment stations, Great Britain and Canada were the only countries, that did not accept invitation.
Date: 1914
Creator: Rice, George S.
Object Type: Report
System: The UNT Digital Library
International Forest of Friendship, 25th Celebration, 2001 (open access)

International Forest of Friendship, 25th Celebration, 2001

Supplementary publication outlining events and information for the 25th International Forest of Friendship celebration, which memorializes contributors to aviation and aerospace with engraved plaques in the forest. It includes portraits and biographical sketches for the 40 people to be honored in 2001.
Date: June 14, 2001
Creator: unknown
Object Type: Pamphlet
System: The Portal to Texas History
[Letter from Adolph W. Schmidt to Mr. and Mrs. Harris Kempner, July 23, 1956] (open access)

[Letter from Adolph W. Schmidt to Mr. and Mrs. Harris Kempner, July 23, 1956]

Letter from Adolph W. Schmidt to Harris L. Kempner and Ruth Alma Kempner thanking them for their contribution.
Date: July 23, 1956
Creator: Schmidt, Adolph W.
Object Type: Letter
System: The Portal to Texas History
[Letter from Adolph W. Schmidt to Mr. and Mrs. Harris L. Kempner, July 10, 1956] (open access)

[Letter from Adolph W. Schmidt to Mr. and Mrs. Harris L. Kempner, July 10, 1956]

Letter from Adolph W. Schmidt to Ruth Alma Kempner and Harris L. Kempner discussing the educational job of the Atlantic Union Committee, how a resolution from the Senate Foreign Relations Committee impacts it and requesting they make a contribution due to increasing budget needs.
Date: July 10, 1956
Creator: Schmidt, Adolph W.
Object Type: Letter
System: The Portal to Texas History