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
Treatment of the Tungsten Ores of Boulder County, Colo.

Treatment of the Tungsten Ores of Boulder County, Colo.

Date: October 1921
Creator: Bonardi, J. P.
Description: Report discussing the the development of milling practice in Boulder County, the ore-dressing methods in use, and the local manufacture of ferrotungsten and tungstic oxide. Figures giving the production of tungsten concentrates in the Boulder district, in the United States, and in the world; data on the buying of tungsten ores; costs of production; and the normal tungsten requirements in this country are presented.
Contributing Partner: UNT Libraries Government Documents Department
Analytical Methods for Certain Metals Including Cerium, Thorium, Molybdenum, Tungsten, Radium, Uranium, Vanadium, Titanium and Zirconium

Analytical Methods for Certain Metals Including Cerium, Thorium, Molybdenum, Tungsten, Radium, Uranium, Vanadium, Titanium and Zirconium

Date: 1923
Creator: Moore, R. B.
Description: None
Contributing Partner: UNT Libraries Government Documents Department