Washing ore to extract gold, 1683.

Washing ore to extract gold, 1683. Water is fed into a sieve (2) containing ore. The muddy solution is then fed along wooden collecting troughs, often lined with dark woollen cloth. The gold is separated out on the way. From a 1683 English edition of Lazarus Ercker's "Beschreibung allerfurnemisten mineralischen Ertzt" of 1580.

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Heritage Images

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2864 x 3660 pixels

Print Size @ 300 dpi
10 x 12 inches / 24 x 31 cm

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