Grounding Electrical Equipment In and About Coal Mines
Description:
Report issued by the U.S. Bureau of Mines on the safety measures used in keeping mining equipment grounded. Methods and instrumentation used in testing grounding equipment are presented. This report includes tables, and illustrations.
Date:
December 1943
Creator:
Griffith, Franklin E. & Gleim, E. J.
Partner:
UNT Libraries Government Documents Department