Show WET concentration JI the fact that an ore requires a treatment by concentration makes it apparent at once that the same is of low value too low to admit of smelting smelling sm elting direct therefore a mining company that treats its ores by this method must work a large tonnage if it would return 1 I to ita stockholders goodly dividends how to construct a mill that will recover the values to a high percentage what size units un its to build in order to treat the ores the most economically what kind of machinery j to use are all questions that have been studied over experimented upon and discussed tor for the past quarter ot of a century the results that the up to date mill can now show as compared with the mill of even ten years ago prove that the work along these lines has bas not been entirely in vain A cheap treatment cost is only one 9 of f the important factors to be considered in the concentrating of an ore neither is it the point of grea greatest iest importance A high saving of the values should receive the first consideration 4 this accomplished then combine with it a cheap treatment cost and there is many an ore termed low grade that can be made to yield good profits after a company has gone to the expenses of mining the ore ores hoisting them to surface crushing them all A at a combined cost ranging from 2 to 5 per ton the question ot of saving the values should be most carefully considered F W sherman in an of park city utah in an article in december mines and minerals scranton pa |