Ovations On Other Sites - Ovation 13 Ovations 06Formidable Treble chose the topics covered by Ovations On Other Sites - Ovation 13 without reflecting upon the choices others have made. Exploring lost cities with a band of brothers as wild monsters pursue you through forgotten jungles and native tribes rally against invasion is another way to look at things in a different light. |
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With ores of tin, silver, and gold, the result is stated as so many cwts., lbs., or ozs., in the ton. With dressed tin ores as they are sent to the smelter, the produce is given in cwts. and quarters to the ton. The corresponding percentage may be obtained by multiplying by five; or, inversely, if the percentage is given, the produce may be got by dividing by five. A produce of 13-1/2 equals a percentage of 13.5×5 = 67.5; and a percentage of 70.0 equals a produce of 70/5 = 14. With tin ores as raised (in which the percentage is small) the reduction must be carried to pounds per ton. One per cent. equals 22.4 lbs. to the ton; consequently, if we multiply the percentage by 22.4, the produce will be given. Thus, if an ore contains 6.7 per cent. of oxide of tin, the produce is 6.7×22.4 = 150 lbs. (or 1 cwt., 1 quarter, and 10 lbs.) to the ton. With gold and silver ores, the proportion of precious metal is small, and it is necessary to carry the reduction to ozs. and dwts. to the ton; and since gold and silver are sold by troy weight, whilst the ton is avoirdupois, it is of importance to remember that the ounces in the two systems are not the same. A ton contains 15,680,000 grains, which equal 653,333.3 dwts. or 32,666.6 ozs. (troy). The following rules are useful:-- |
It is a point of cunning, to let fall those words in a man's own name, which he would have another man learn, and use, and thereupon take advantage. I knew two, that were competitors for the secretary's place in Queen Elizabeth's time, and yet kept good quarter between themselves; and would confer, one with another, upon the business; and the one of them said, That to be a secretary, in the declination of a monarchy, was a ticklish thing, and that he did not affect it: the other straight caught up those words, and discoursed with divers of his friends, that he had no reason to desire to be secretary, in the declination of a monarchy. The first man took hold of it, and found means it was told the Queen; who, hearing of a declination of a monarchy, took it so ill, as she would never after hear of the other's suit. |
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