Drilling and Dustiness of Metal-Mine Air (open access)

Drilling and Dustiness of Metal-Mine Air

Report issued by the U.S. Bureau of Mines on the air quality in metal-mines after using wet drills. Dust samples are collected and compared to samples collected from similar metal-mines in South Africa and Australia. This report includes tables.
Date: March 1922
Creator: Harrington, D.
System: The UNT Digital Library
Recovery of Gasoline From Uncondensed Still Vapors (open access)

Recovery of Gasoline From Uncondensed Still Vapors

Report issued by the U.S. Bureau of Mines on the possibilities of increasing fuel production from crude oil. Methods of recovering oil that is lost by remaining uncondensed are presented. This report includes tables, graphs, and illustrations.
Date: April 1922
Creator: Dow, Donald B.
System: The UNT Digital Library