Bulletin 225 Department Of The Interior Stone Dusting Or Rock Dusting To Prevent Coal-Dust Explosions, AS Practiced In Great Britain And France by George S. Rice. Washington Government Printing Office,1924. Contents: Preventive methods in the United States. Stone dusting in Great Britain. Report of explosions in mines committee,1914. Utilization of the high velocity of the air passing through the regulators. British methods of sampling mine road dust. Instructions in British General Regulation. Stone-dust testing at the experimental mine. and more. Has soilingon cover. Overall Very Good Condition!

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