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Show jiNOTiipit ciii.Ai ritoirs. With the com Ilim nit of the author, IheNnva hat received a (amphlet describing tho "combination iroccns (or working slllcloui anl sirultaso urea containing gold and silver" not n new roces, wo are modestly Informed, In-formed, but a better muthod than Is genersllycnijlayed (dr extracting Hie precious an I brns metaU (rom slllclous ores 6ontnfnlng gold aud silver asaa-elated asaa-elated with Ihn bver metals. Thu author It 1,, (J. Trent, l4'.,insn.iser of tin Icoal (i aUlthuient of J'rtnr V Chalmers, a mcchanloil nnl metal, lurglcal engineer of note, and a member mem-ber of the Am, f lean Institute of mining min-ing engineers. Tur, rorera dea:tlbed In the I amphlet la not patented, and la conMijunnll) free to all; It nculns but little tklll to operalo If, and IU cost places it within the reach of any mining ompny. It reduce the; ores referred to without roasting at nil, eal.l reducllou Ulng stld to Ci.at not to uxneed onu hall that of the process recently dtsirlliud lu hete columns. Ithns tho additional merit of having pasted thoixperluiunt-al thoixperluiunt-al stage, (or It It In succra,(ul uso lu Montana and Idaho, with tti eels of an early Introduction at several of the large mines of Ulali, when, It la confidently con-fidently astertod, "Iho prlco of slher will not be so much of a consideration as II la at present," This latter promise Is ono that strongly appeals to the Ntua and to every friend of the silver iuduatry In the West; audit Is a rial pleasure to kuow that the question of treating low-grade low-grade and refractory ores at a cheap rata has lx en receiving so much and such successful consideration. Tho more numerous and thu morepirfeut these processes, life lettir. We thank Mr. Trent for courtesy shown and thu Information given, aud are sure ho will bapleastd to supply the ncccunr) literature to an) who may deslro to acquaint themselves nlth thu details and apparatus of the excellent process to wh'ch he refers. |