The Truths of Religion

A Book of Bombay

A New Method for the Treatment of Mixed Copper, Silver and Gold Ores

Operation and Maintenance of Electrical Equipment Approved for Permissibility by the Bureau of Mines

Melting Aluminium Chips

Electric Shot-firing in Mines, Quarries, and Tunnels: Volumes 240-247

Recent Articles on Petroleum and Allied Substances: Issues 2090-2119; Issues 2121-2129

Ochers and Mineral Pigments of the Pacific Northwest Occurrence: Possible Methods of Preparation, and Testing of Ochers, Siennas, and Colored Clays, Issues 301-311

The Analytical Distillation of Petroleum and Its Products: Issues 206-210

Official Changes in the Active List of Permissible Explosives and Blasting Devices for September, 1929: 1929