A Practical Treatise on Testing and Working Silver Ores (...
Aaron, Chas H.![A Practical Treatise on Testing and Working Silver Ores (Classic Reprint)](https://support.digitalhusky.com/media/annotations/sorted/260/26002624/CHSBZCOP0326002624.jpg)
Excerpt from A Practical Treatise on Testing and Working Silver OresSince writing the pamphlet, I have had five years experience and observation of the process therein described, and as my profit has consisted in part of the additional knowledge thus gained, I now prepose to offer to the mining public, more and better information than is contained in that, or in Mr. Turner's piratical circular, adding also some information and suggestions in r...