Agricola, Georgius
,
De re metallica
,
1912/1950
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>A—TUNNEL. B—LINEN CLOTH.
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heavier with the depth of a shaft, of which fact he has made mention, but
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also with the length of a tunnel.</
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>The climbing machines of miners are ladders, fixed to one side of the shaft,
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and these reach either to the tunnel or to the bottom of the shaft. </
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>I need not
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describe how they are made, because they are used everywhere, and need
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not so much skill in their construction as care in fixing them. </
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>However,
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miners go down into mines not only by the steps of ladders, but they are
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also lowered into them while sitting on a stick or a wicker basket, fastened to
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the rope of one of the three drawing machines which I described at first.
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>Further, when the shafts are much inclined, miners and other workmen
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sit in the dirt which surrounds their loins and slide down in the same way
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that boys do in winter-time when the water on some hillside has congealed
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with the cold, and to prevent themselves from falling, one arm is wound about
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a rope, the upper end of which is fastened to a beam at the mouth of the shaft,
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and the lower end to a stake fixed in the bottom of the shaft. </
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>In these three
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ways miners descend into the shafts. </
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>A fourth way may be mentioned
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which is employed when men and horses go down to the underground </
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