The Manufacture of Sulphuric Acid in the United States (open access)

The Manufacture of Sulphuric Acid in the United States

Report issued by the Bureau of Mines over the production of sulfuric acid. As stated in the introduction, "the present bulletin was prepared to cover the main facts in regard to the industry in this country, including a discussion of the supplies of sulfur-bearing raw materials, the situation of the acid plants, the principal points in regard to manufacturing processes, and the uses of the acid" (p. 2). This report includes tables, illustrations, photographs, and a map.
Date: July 1920
Creator: Wells, Arthur Edward & Fogg, Donald E.
System: The UNT Digital Library
Oil-Shale: An Historical, Technical, and Economic Study (open access)

Oil-Shale: An Historical, Technical, and Economic Study

Report issued by the U.S. Bureau of Mines discussing studies conducted on the development of the oil-shale industry from a historical, technical, and economic perspective. Results of the studies are presented. This report includes tables, illustrations, and photographs.
Date: July 1922
Creator: Gavin, Martin J.
System: The UNT Digital Library
Approved Electric Lamps for Miners (open access)

Approved Electric Lamps for Miners

From introduction: "The Bureau of Mines calls attention to the dangers of open-flame lamps in any coal mine."
Date: July 1917
Creator: Clark, H. H. & Ilsley, L. C.
System: The UNT Digital Library