Safety Cars of the United States Bureau of Mines (open access)

Safety Cars of the United States Bureau of Mines

Report issued by the U.S. Bureau of Mines discussing the mine stations and safety cars used to reach miners in distress. As stated in the report, "the purpose, equipment, personnel, and construction of its safety cars" is presented. This report includes an illustration, and a map.
Date: March 1931
Creator: Forbes, J. J. & Ankeny, M. J.
Object Type: Report
System: The UNT Digital Library
Manufacture of Gasolene. (open access)

Manufacture of Gasolene.

Patent for the manufacture of gasoline. The product is used as a fuel for internal combustion engines.
Date: March 9, 1915
Creator: Bacon, Raymond F.; Brooks, Benjamin T. & Clark, Clinton W.
Object Type: Patent
System: The Portal to Texas History