Report of the Commissioners And Evidence Taken By the Committee On Mines And Min
Report of the Commissioners And Evidence Taken By the Committee On Mines And Min
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In our eReader you can find the full English version of the book. Read Report of the Commissioners And Evidence Taken By the Committee On Mines And Min Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Report of the Commissioners And Evidence Taken By the Committee On Mines And Min
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To quickly assess the difficulty of the text, read a short excerpt:
? T, A. I could not say. I think tliere might be a gain of 25 per cent, if you combine the actual increase of a man's, strength and power to work with the increase of his willing- ness to work. I have noticed myself that sometimes miners in very uncomfortable mines would not only, per- haps, be weaker actually for .. Work, but they behaved weaker than they were.
628 Q. What do you know about the concentration of ores ? Have you ever visited concentrating works?
A. Yes, sir.
Q. What is the first... requisite in concentrating ores. Is it not water?
A. There are methods of concentration which do not employ any water; but all the complete concentration works which have been carried on successfully on a large scale have required water, and plenty of it.
Q. Is there a large space required for the purpose of concentration?
A. Yes, sir, in systematic concentration.
Q. Suppose you had to concentrate 1, 000 tons a day, would there not be required an immense space of ground?
A. You would require a great deal of ground.
What to read after Report of the Commissioners And Evidence Taken By the Committee On Mines And Min?
You can find similar books in the "Read Also" column, or choose other free books by United States Sutro Tunnel Commission to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
? T, A. I could not say. I think tliere might be a gain of 25 per cent, if you combine the actual increase of a man's, strength and power to work with the increase of his willing- ness to work. I have noticed myself that sometimes miners in very uncomfortable mines would not only, per- haps, be weaker actually for .. Work, but they behaved weaker than they were.
628 Q. What do you know about the concentration of ores ? Have you ever visited concentrating works?
A. Yes, sir.
Q. What is the first... requisite in concentrating ores. Is it not water?
A. There are methods of concentration which do not employ any water; but all the complete concentration works which have been carried on successfully on a large scale have required water, and plenty of it.
Q. Is there a large space required for the purpose of concentration?
A. Yes, sir, in systematic concentration.
Q. Suppose you had to concentrate 1, 000 tons a day, would there not be required an immense space of ground?
A. You would require a great deal of ground.
What to read after Report of the Commissioners And Evidence Taken By the Committee On Mines And Min?
You can find similar books in the "Read Also" column, or choose other free books by United States Sutro Tunnel Commission to read onlineMoreLess
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