. Bulletin . B. BUREAU OF MINES CEMENT-MORTAR THAW HOUSE MAGAZINES AND THAW HOUSES. 97 dffBTJ JOOp JOJ 8)0(9 &> § ©iqwjma t[%im. popiAcid S ?£ ^tl, JO OpiS £ -g pjisoddo no do;s xuipnig ,3. 62626°—Bull. SO—15- 98 A PRIMER ON EXPLOSIVES. and the iron parts are grounded with ^-inch iron rods extendingfrom the four lower corners of the building, the ends of the rodsbeing buried below the moisture line and being attached to a prop-erly laid earth plate. The rods serve as excellent mediums forsilently reducing the potential between the earth and the water mains or running str
. Bulletin . B. BUREAU OF MINES CEMENT-MORTAR THAW HOUSE MAGAZINES AND THAW HOUSES. 97 dffBTJ JOOp JOJ 8)0(9 &> § ©iqwjma t[%im. popiAcid S ?£ ^tl, JO OpiS £ -g pjisoddo no do;s xuipnig ,3. 62626°—Bull. SO—15- 98 A PRIMER ON EXPLOSIVES. and the iron parts are grounded with ^-inch iron rods extendingfrom the four lower corners of the building, the ends of the rodsbeing buried below the moisture line and being attached to a prop-erly laid earth plate. The rods serve as excellent mediums forsilently reducing the potential between the earth and the water mains or running streams are available, good practicerequires that the grounds be properly attached to or immersedin them. If, as the result of an unusual electric discharge, any partof the galvanized-iron cover should be burned or melted, the explo-sives may still be protected from fire by the intervening 6-inch wallswhich are constructed of nonconducting cement mortar. PROTECTION OF LIFE AND ADJACENT PROPERTY. The most important result to be achieved in the storage of explo-sives is the prevention of explosions. If this is accomplished nodamage to life and property can result. As absolute preventionis imp
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectminesandmineralresou
