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Production of High-Alumina Slags in the Blast Furnace

Description: Technical report issued by the U.S. Bureau of Mines discussing the results of investigations studying the effects of alumina composition on the viscosity of iron slag.
Date: 1928
Creator: Joseph, T. L. (Thomas Leonard), b. 1894; Kinney, S. P. (Selwyne Perez), 1890-1976 & Wood, C. E. (Carl Edwin), b. 1900
open access

Thermodynamic Properties of Oxygen and Nitrogen

Description: Report issued by the Bureau of Mines discussing the thermodynamics of oxygen and nitrogen. Properties of these elements and methods of estimating thermodynamic data are presented. This report includes tables.
Date: 1928
Creator: Millar, Russell W. & Sullivan, John D.
open access

Measuring the Variation of Ground Resistivity with a Megger

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.
Date: 1928
Creator: Lee, F. W.
open access

Geophysical Prospecting: Some Electrical Methods

Description: Technical paper issued by the Bureau of Mines over experiments in electrical methods. The methods and equipment used are presented and described. This paper includes tables, illustrations, and photographs.
Date: 1928
Creator: Eve, A. S. & Keys, D. A.
open access

Experiments in Underground Communication Through Earth Strata

Description: Technical paper issued by the Bureau of Mines over studies in mine safety and communication. The methods and equipment used in the studies are presented and discussed. This paper includes tables, illustrations, and photographs.
Date: 1928
Creator: Ilsley, L. C.; Freeman, H. B. & Zellers, D. H.
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