Agricola, Georgius
,
De re metallica
,
1912/1950
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1 - 10
11 - 20
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81 - 90
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111 - 120
121 - 130
131 - 140
141 - 150
151 - 160
161 - 170
171 - 180
181 - 190
191 - 200
201 - 210
211 - 220
221 - 230
231 - 240
241 - 250
251 - 260
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271 - 280
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311 - 320
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421 - 430
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which the ordinary people call
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nummi
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<
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41
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; each of these units we again divide
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into twenty-four units of four
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siliquae
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each, which the same ordinary people
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call a
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grenlin;
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"/>
or else the
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bes
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is divided into sixteen
<
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type
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semunciae
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which
<
lb
/>
are called
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loths,
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type
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italics
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each of which is again divided into eighteen units of four
<
lb
/>
<
emph
type
="
italics
"/>
silíquae
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emph.end
type
="
italics
"/>
each, which they call
<
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="
italics
"/>
grenlín.
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</
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>
<
s
> Or else the
<
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type
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italics
"/>
bes
<
emph.end
type
="
italics
"/>
is divided into
<
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/>
sixteen
<
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type
="
italics
"/>
semuncíae,
<
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type
="
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"/>
of which each is divided into four
<
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type
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italics
"/>
drachmae,
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type
="
italics
"/>
and
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lb
/>
each
<
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type
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italics
"/>
drachma
<
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type
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"/>
into four
<
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type
="
italics
"/>
pfennige.
<
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type
="
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"/>
</
s
>
<
s
> Needles are made in accordance with
<
lb
/>
each method of dividing the
<
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italics
"/>
bes.
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"/>
</
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>
<
s
> According to the first method, to the
<
lb
/>
number of twenty-four half
<
emph
type
="
italics
"/>
nummí;
<
emph.end
type
="
italics
"/>
according to the second method, to the
<
lb
/>
number of thirty-one half
<
emph
type
="
italics
"/>
semuncíae,
<
emph.end
type
="
italics
"/>
that is to say a
<
emph
type
="
italics
"/>
sícílícus;
<
emph.end
type
="
italics
"/>
for if the
<
lb
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needles were made to the number of the smaller weights, the number of
<
lb
/>
needles would again be too large, and not a few of them, by reason of the
<
lb
/>
small difference in proportion of silver or copper, would have no significance.
<
lb
/>
</
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>
<
s
>We test both bars and coined money composed of silver and copper by both
<
lb
/>
scales. </
s
>
<
s
>The one is as follows: the first needle is made of twenty-three
<
lb
/>
parts of copper and one part silver; whereby, whatsoever bar or coin, when
<
lb
/>
rubbed on the touchstone, colours it just as this needle does, in that bar or
<
lb
/>
money there is one twenty-fourth part of silver, and so also, in accordance
<
lb
/>
with the proportion of silver, is known the remaining proportion of the copper.</
s
>
</
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<
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">
<
s
>The 1st needle is made of 23 parts of copper and 1 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 2nd needle is made of 22 parts of copper and 2 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 3rd needle is made of 21 parts of copper and 3 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 4th needle is made of 20 parts of copper and 4 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 5th needle is made of 19 parts of copper and 5 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 6th needle is made of 18 parts of copper and 6 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 7th needle is made of 17 parts of copper and 7 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 8th needle is made of 16 parts of copper and 8 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 9th needle is made of 15 parts of copper and 9 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 10th needle is made of 14 parts of copper and 10 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 11th needle is made of 13 parts of copper and 11 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 12th needle is made of 12 parts of copper and 12 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 13th needle is made of 11 parts of copper and 13 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 14th needle is made of 10 parts of copper and 14 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 15th needle is made of 9 parts of copper and 15 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 16th needle is made of 8 parts of copper and 16 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 17th needle is made of 7 parts of copper and 17 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 18th needle is made of 6 parts of copper and 18 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 19th needle is made of 5 parts of copper and 19 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 20th needle is made of 4 parts of copper and 20 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 21st needle is made of 3 parts of copper and 21 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 22nd needle is made of 2 parts of copper and 22 of silver.</
s
>
</
p
>
<
p
type
="
main
">
<
s
>The 23rd needle is made of 1 parts of copper and 23 of silver.</
s
>
</
p
>
<
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type
="
main
">
<
s
>The 24th of pure silver.</
s
>
</
p
>
</
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>
</
body
>
</
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>
</
archimedes
>