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Mine illumination :proceedings
New developments in personal lighting systems for miners
Underground coal mine lighting handbook, (in two parts).
Underground coal mine lighting handbook, (in two parts).
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Published Year
1980-1989 (4) *
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
Lewis, W. H. (4) *
Ferreira, Elio. (1)
Whitehead, K. L. (1)
