of the interrupter is given a feeble ten- The gravel deposits are valuable, and it is estimated that 17,500 and 20,800 tons per foot, and the advantage in an sion, two sparks may be obtained—the first at the moment attack upon armor plates may be assumed in the same pro- the placer yield is… … cent in all. The highest average yield C D. The latter is provided at each was from the Arizona ores—$7.01 extremity with two pieces of soft plate NEW MAGNETIC EXPLODER. gold, and $86.24 silver, per ton. Of iron which are beveled off at the point the total gold product of the country, at which the…
