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

Keyword Search

How leakage of current from an electric shot-firing circuit causes misfires

Maintaining the permissibility of electric cap lamps

Published Year

• 1930-1939 (2)

Subject

• Electricity in mining (2) *
• Blasting (1)
• Electric lamps (1)

Author

• Hooker, A. B. (2) *
• Zellers, Donald Henry, (2)
• Ilsley, L. C. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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