. The cyanide process; an introduction to the cyanide process, including the determination of the applicability of the process to an ore. Fig. 17.—Leaching-tanks. Fig. 18.—Bottom Discharge-doors. Size of opening 10X10 in.,or 16X16 in. These sluice-doors consist of heavy cast-iron frameswith iron doors attached by bolt hinges. They are kept water-tight by means of rubber gaskets placed around the edge of thedoor proper. Bottom discharge-plugs are used where it is notdesirable to open doors from below a tank. These plugs areremoved from inside by means of a handle extending to top of tank. SHORT


. The cyanide process; an introduction to the cyanide process, including the determination of the applicability of the process to an ore. Fig. 17.—Leaching-tanks. Fig. 18.—Bottom Discharge-doors. Size of opening 10X10 in.,or 16X16 in. These sluice-doors consist of heavy cast-iron frameswith iron doors attached by bolt hinges. They are kept water-tight by means of rubber gaskets placed around the edge of thedoor proper. Bottom discharge-plugs are used where it is notdesirable to open doors from below a tank. These plugs areremoved from inside by means of a handle extending to top of tank. SHORT DESCRIPTIONS OF SOME PROCESSES. 69


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