 |
|
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
4 results returnedMine illumination :proceedings
New developments in personal lighting systems for miners
Published Year
Subject
- Coal mines and mining (2)
- Mine lighting (2)
- Mine lighting--Congresses (1)
- Mine lighting--Equipment and supplies (1)
- Nickel-cadmium batteries (1)
- Safety lamps (1)
Author
Search developed and maintained by the University of Washington Libraries
Copyright 2010