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 Decade: 1910-1919
 Collection: Technical Report Archive and Image Library
Thermal Expansion of Insulating Materials

Thermal Expansion of Insulating Materials

Date: December 27, 1919
Creator: Souder, Wilmer H. & Hidnert, Peter
Description: Scientific paper issued by the Bureau of Standards over studies on thermal expansion. Expansivity tests are conducted on many different insulating materials. The results of the tests are discussed. This paper includes tables, photographs, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
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.
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
Approximate Quantitative Microscopy of Pulverized Ores, Including the Use of the Camera Lucida

Approximate Quantitative Microscopy of Pulverized Ores, Including the Use of the Camera Lucida

Date: October 1919
Creator: Coghill, Will H. & Bonardi, J. P.
Description: Technical paper issued by the Bureau of Mines over microscopy of pulverized ores. As stated in the introduction, "this paper, which deals with the study of pulverized ores and the use of the camera lucida in such work, discusses an investigation undertaken at the Seattle and the Golden mining experiment stations of the Bureau of Mines" (p. 3). This paper includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Experiment Stations of the Bureau of Mines

Experiment Stations of the Bureau of Mines

Date: August 1919
Creator: Manning, Van. H.
Description: Report issued by the Bureau of Mines over the eleven experiment stations established near important mining fields. The work done by the stations are discussed. This report includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Explosives and Miscellaneous Investigations

Explosives and Miscellaneous Investigations

Date: August 1919
Creator: Manning, Van. H.
Description: Report discussing explosives research requested by the U.S. Army and Navy and conducted by the Bureau of Mines.
Contributing Partner: UNT Libraries Government Documents Department
Effect of Rate of Temperature Change on the Transformations in an Alloy Steel

Effect of Rate of Temperature Change on the Transformations in an Alloy Steel

Date: July 10, 1919
Creator: Scott, Howard
Description: Scientific paper issued by the Bureau of Standards over studies conducted on the effects of temperature change on alloy steel. The experimental methods used and the results are presented and discussed. This paper includes tables, photographs, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
New Forms of Instruments for Showing the Presence and Amount of Combustible Gas in the Air

New Forms of Instruments for Showing the Presence and Amount of Combustible Gas in the Air

Date: June 23, 1919
Creator: Weaver, E. R. & Weibel, E. E.
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.
Contributing Partner: UNT Libraries Government Documents Department
The Ultra-Violet and Visible Transmission of Eye-Protective Glasses

The Ultra-Violet and Visible Transmission of Eye-Protective Glasses

Date: June 7, 1919
Creator: Gibson, K. S. & McNicholas, H. J.
Description: Technical paper issued by the Bureau of Standards over studies conducted on the development of protective eye wear. The methods and equipment used are presented and discussed. This paper includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Petroleum Investigations and Production of Helium

Petroleum Investigations and Production of Helium

Date: June 1919
Creator: Manning, Van. H.
Description: Report discussing petroleum investigations and the production of helium by the Bureau of Mines during World War I.
Contributing Partner: UNT Libraries Government Documents Department
Petroleum Investigations and Production of Helium

Petroleum Investigations and Production of Helium

Date: June 1919
Creator: Manning, Van. H.
Description: Report issued by the Bureau of Mines over studies conducted on petroleum and helium production. The results of the studies are presented and discussed.
Contributing Partner: UNT Libraries Government Documents Department
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