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We will write to-morrow to Pittsburg for the mining outfit, for all the ironwork of the stamps, the concentrator, and everything required, with axes, picks, and shovels, blasting tools and powder, to be sent as far as they have got the railway." "But they will want the money with the order, Harry," Pete said in a tone of surprise. "They will have the money.
Presuming, however, that we are working by the amalgamation process, and have crushed our stone and obtained the free gold, the next requirement is an effective concentrator. Of these there are many before the public, and some do excellent work, but do not act equally well in all circumstances.
The iron pyrites in the ore contains gold which cannot be separated by the crushing process and a machine called a concentrator has been invented to save this also. After passing over the copper plates the crushed rock and pyrites are washed upon a broad, flat surface, which is moving in such a way that the lighter rock waste is carried away by the water.
They crouched behind the windshield, for Rimrock drove recklessly, and went roaring out across the desert and between the rush of the wind and the sharp kick of the chuck-holes conversation was out of the question. Then they came to the camp, with its long rows of deal houses and the rough bulk of the concentrator and mill; and even this, to Mrs.
There is a little stream runs close to the vein, and if it were dammed up it would drive a couple of stamps, which, with a concentrator and tables and blankets, would be quite enough for such stuff as that. I reckon fifteen men will be quite enough to work, and to hold the fort.
I endeavored to untangle the arms and legs of the attackers and the attacked in a desire to rescue the youngest, a child of two, but I soon beat a retreat, having no mind to become a punching bag for Polydores. The concentrator at the writing table, looking up vaguely, perceived the general joust. "How provoking!" she exclaimed indignantly.
You know that radium is activated and glows under ultra-violet?" "Yes." "Mounted on our flyer are six ultra-violet searchlights. By the side of each one is a wide angle telescopic concentrator which will focus any reflected ultra-violet onto a radium coated screen and thus make it visible to us.
First out across the desert went the derricks of the well-borers, to develop water for the concentrator and mill; and then diamond-drill men with all their paraphernalia, to block out the richest ore; and after them the millwrights and masons and carpenters, to lay foundations and build the lighter parts of the plant; and, back and forth in a steady stream, the long lines of teamsters, hauling freight from the end of the railroad.
The two Indians hunted, and seldom returned without game of some sort or other. As the quicksilver in the concentrator was squeezed by Harry or Tom, and the blankets washed by them, none but themselves knew what the returns were.
"Why, Emma, how is that?" wondered Grace. "I con-centrated on him, I did, and " "She did," glowed Nora, running forward to meet her husband. "You should open an office when you get home," advised Miss Briggs. "Let me see, your business sign should read, 'Miss Dean, Imponderable Concentrator." "Make all the fun you wish.
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