. Bulletin. 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 B. BANK OF LAMPS USED FOR RESISTANCE. SUREAU OF MINES BULLETIN 150 PLATE IV

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectminesandmineralresou