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 Country: United States
 Collection: Technical Report Archive and Image Library
An Apparatus for Measuring the Relative Wear of Sole Leathers, and the Results Obtained with Leather from Different Parts of a Hide

An Apparatus for Measuring the Relative Wear of Sole Leathers, and the Results Obtained with Leather from Different Parts of a Hide

Date: November 22, 1919
Creator: Hart, R. W. & Bowker, B. C.
Description: Technical paper issued by the Bureau of Standards over studies conducted on the quality of sole leather. As stated in the introduction, "the development of a simple method for quickly determining the durability of sole leather seemed desirable, and this paper discusses a laboratory apparatus designed for this purpose and also presents the results of tests made to date to determine the relative wear of leather from different parts of the hide" (p. 3). This paper includes illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Temperature Measurements in Bessemer and Open-Hearth Practice

Temperature Measurements in Bessemer and Open-Hearth Practice

Date: May 8, 1917
Creator: Burgess, George K.
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.
Contributing Partner: UNT Libraries Government Documents Department
The Ultra-Violet and Visible Transmission of Various Colored Glasses

The Ultra-Violet and Visible Transmission of Various Colored Glasses

Date: March 19, 1920
Creator: Gibson, K. S.; Tyndall, E. P. T. & McNicholas, H. J.
Description: Technical paper issued by the Bureau of Standards over studies conducted on transmissions of ultra-violet energy through different colored glasses. As stated in the introduction, "in the present paper are given the transmissions for the visible and ultra-violet of a large number of glasses, mostly colored, which are not used primarily for eye protection, but which are useful for various other purposes" (p. 3). This paper includes illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Toluol Recovery

Toluol Recovery

Date: December 19, 1918
Creator: McBride, R. S.; Reinicker, C. E. & Dunkley, W. A.
Description: Technical paper issued by the Bureau of Standards over toluol-recovery, known as light oil. The methods used in the toluol-recovery are presented and discussed. This paper includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Durability of Stucco and Plaster Construction: Progress Report Containing Results of Investigations up to April, 1916

Durability of Stucco and Plaster Construction: Progress Report Containing Results of Investigations up to April, 1916

Date: January 31, 1917
Creator: Wig, R. J.; Pearson, J. C. & Emley, W. E.
Description: Technical paper issued by the Bureau of Standards over tests conducted on the durability of stucco construction. Construction methods are discussed. The test results are presented and discussed as well. This paper includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Factors Governing the Entry of Solutions into Ores During Leaching

Factors Governing the Entry of Solutions into Ores During Leaching

Date: 1929
Creator: Sullivan, John D.; Keck, Walter E. & Oldright, George L.
Description: Technical paper issued by the Bureau of Mines over studies on the leaching of copper-bearing ores. As stated in the introduction, the "penetration of the leaching medium into the body of the ore particles" (p. 1) is discussed. This paper includes tables, photographs, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Analyses of West Virginia Coals

Analyses of West Virginia Coals

Date: 1942
Creator: Price, Paul H.; Heck, E. T.; Fieldner, Arno Carl; Toenges, Albert L.; Anderson, R. L.; Snyder, N. H. et al.
Description: Technical paper issued by the Bureau of Mines over studies of West Virginia coal fields. Characteristics of coals and mines are discussed. This paper includes tables, maps, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Graphic Studies of Ultimate Analyses of Coals

Graphic Studies of Ultimate Analyses of Coals

Date: December 1915
Creator: Ralston, Oliver C. & Porter, Horace C.
Description: Technical paper issued by the Bureau of Mines over studies of analyses of coals. The results are discussed and presented on various diagrams. This paper includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Change Houses in the Lake Superior Region

Change Houses in the Lake Superior Region

Date: September 1923
Creator: Kindall, Cleve Edwin
Description: Technical paper issued by the Bureau of Mines over change and wash houses in the Lake Superior area. As stated in the introduction, "this paper, with a few exceptions, presents data acquired in a survey, made by the author, of change houses in the Lake Superior region. All buildings, equipment, and practices were studied with regard for the health and welfare of the miner" (p. 1). This paper includes tables, photographs, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Measuring the Variation of Ground Resistivity with a Megger

Measuring the Variation of Ground Resistivity with a Megger

Date: 1928
Creator: Lee, F. W.
Description: Technical paper issued by the Bureau of Mines over tests conducted on ground resistivity with a megger. The results of the tests are presented and discussed. This paper includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department