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

Keyword Search

Portable electric mine lamps

Published Year

• 1910-1919 (1) *

Subject

• Electric lamps, Portable--Design and construction (1)
• Electric lamps, Portable--Safety measures (1)
• Electricity in mining--Safety measures (1)
• Mine explosions--Prevention (1) *

Author

• Clark, H. H. (1) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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