Agricola, Georgius
,
De re metallica
,
1912/1950
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are protected with long gloves, to prevent them from being injured by the
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chips which fly away from the fragments.</
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<
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>In that district of Greater Germany which is called Westphalia and in
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that district of Lower Germany which is named Eifel, the broken ore which
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has been burned, is thrown by the workmen into a round area paved with the
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hardest stones, and the fragments are pounded up with iron tools, which are
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very much like hammers in shape and are used like threshing sledges. </
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<
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>This
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tool is a foot long, a palm wide, and a digit thick, and has an opening in the
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middle just as hammers have, in which is fixed a wooden handle of no great
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thickness, but up to three and a half feet long, in order that the workmen
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can pound the ore with greater force by reason of its weight falling from a
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greater height. </
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>They strike and pound with the broad side of the tool, in the
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same way as corn is pounded out on a threshing floor with the threshing
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sledges, although the latter are made of wood and are smooth and fixed to
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poles. </
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>When the ore has been broken into small pieces, they sweep it
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together with brooms and remove it to the works, where it is washed </
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<
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>A—AREA PAVED WITH STONES. B—BROKEN ORE. C—AREA COVERED WITH BROKEN ORE.
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D—IRON TOOL. E—ITS HANDLE. F—BROOM. G—SHORT STRAKE. H—WOODEN HOE.</
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