Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Shot firing in coal mines by electricity controlled from outside

Suggested safety rules for installing and using electrical equipment in bituminous coal mines

Published Year

• 1910-1919 (2) *

Subject

• Electricity in mining (2)
• Coal mines and mining--Safety measures (1)

Author

• Clark, H. H. (2)
• Means, Charles M. (2) *
• Breth, N. V. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

Search developed and maintained by the University of Washington Libraries
Copyright 2010