. Bulletin. son-graphite or the peroxidized-lead-wireanode, it does not so evenly distribute the current across the head ofthe box. and. as stated. I prefer the Acheson-graphite comb anode orthe peroxidized-lead wire. Plate III. A. shows the apparatus equipped with the compoundpervious electrodes such as was used to handle a 20-liter box, b, is of liters capacity, and, with the electrodes, The box. together with the tank d, holds 22 liters of solution,a convenient charge for an experiment. The positive current passes to the Acheson-graphite anode a,thence through the
. Bulletin. son-graphite or the peroxidized-lead-wireanode, it does not so evenly distribute the current across the head ofthe box. and. as stated. I prefer the Acheson-graphite comb anode orthe peroxidized-lead wire. Plate III. A. shows the apparatus equipped with the compoundpervious electrodes such as was used to handle a 20-liter box, b, is of liters capacity, and, with the electrodes, The box. together with the tank d, holds 22 liters of solution,a convenient charge for an experiment. The positive current passes to the Acheson-graphite anode a,thence through the compound pervious electrodes, not shown, andout through the simple pervious cathode, c. The solution overflowsfrom the box into the tank and then passes through the two pumps,h, and back again through the box, circulating until the extractionis completed. The motor, g. shown here for operating the pump isneedlessly large. A compound pervious electrode box ready for use BUREAU OF MINES BULLETIN 150 PLATE III. A. WORKING MODEL. CHRISTY PROCESS. a, Acheson graphite anode; 6, deposition box; c, simple charcoal cathode; d, solution tank;e, compound electrode holder; /, cover of holder; g, motor; h, pump; i, excelsior charcoal;jj, bottles of silver residue.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectminesandmineralresou
