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Updated: June 2, 2025
And very merry and good discourse about the business we have been upon, and after dinner went to the Assay Office and there saw the manner of assaying of gold and silver, and how silver melted down with gold do part, just being put into aqua-fortis, the silver turning into water, and the gold lying whole in the very form it was put in, mixed of gold and silver, which is a miracle; and to see no silver at all but turned into water, which they can bring again into itself out of the water.
Half the year I was assaying crushings, or running a level, or analyzing sugars, for a salary, and the other half I was trying to do a gamble with that salary on the strength of what I'd learned. You can't ring the bell that way. You've got to be either a pig or a pup. You can't do both.
The actual quantities of mercury to be added in the grinding vat, and the times of its addition, are based entirely on practical experience of the process. With ore assaying 150 oz. to 175 oz. of silver to the ton, 75 lb. of mercury are put in at the commencement, another 75 lb. at intervals during the middle of the process, and finally another lot of 75 lb. shortly before the termination.
And here's the key to the mill; go over and pick out whatever you will want in the way of an assaying outfit, and have that taken down with the rest. There's no need of your going to the expense of buying an outfit just for temporary use." By two o'clock scarcely a man remained at the camp. Mr. Underwood and Darrell were among the last to leave. Two faithful servants of Mr.
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