Agricola, Georgius, De re metallica, 1912/1950

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              right and to the left, and in this way passes through it the smaller pieces of
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              earth, sand, and broken rock. </s>
              <s>The larger pieces remain in the sieve, and
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              these are taken out, placed in a heap and put under the stamps. </s>
              <s>The
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              mud, together with fine sand, coarse sand, and broken rock, which remain
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              after the water has been drawn out of the tub, is removed by an iron shovel
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              and washed in the sluice, about which I will speak a little later.</s>
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            <p type="main">
              <s>The Bohemians use a basket a foot and a half broad and half a foot deep,
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              bound together by osiers. </s>
              <s>It has two handles by which it is grasped, when
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              they move it about and shake it in the tub or in a small pool nearly full
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              of water. </s>
              <s>All that passes through it into the tub or pool they take out and
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              wash in a bowl, which is higher in the back part and lower and flat in the
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              front; it is grasped by the two handles and shaken in the water, the lighter
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              particles flowing away, and the heavier and mineral portion sinking to the
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              bottom.</s>
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            <figure number="160"/>
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              <s>A—BASKET. B—ITS HANDLES. C—DISH. D—ITS BACK PART. E—ITS FRONT PART.
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              F—HANDLES OF SAME.</s>
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              <s>Gold ore, after being broken with hammers or crushed by the stamps,
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              and even tin ore, is further milled to powder. </s>
              <s>The upper millstone, which </s>
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