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Specific-gravity separation applied to the analysis of mining explosives

Methods for routine work in the Explosives physical laboratory of the Bureau of mines

Coal-mine fatalities in the United States, 1920 :and coal-mine statistics supplementing those published in Bulletin 115, and a list of permissible explosives, lamps, and motors tested prior to January 31, 1921

Cushioned blasting.

Published Year

• 1910-1919 (2)
• 1920-1929 (1)
• 1940-1949 (1)

Subject

• Explosives--Testing (4) *
• Blasting (1)
• Coal mine accidents--United States (1)
• Coal mines and mining--Explosives (1)
• Electric lamps (1)
• Electric motors--Testing (1)
• Firedamp (1)
• Specific gravity (1)

Author

• Adams, W. W. (1)
• Denues, A. R. T. (1)
• Howell, S. P. (1)
• Hyde, Archie Lemont, (1)
• Storm, C. G. (1)
• Tiffany, J. E. (1)

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