Agricola, Georg, De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ..., 1556

Table of figures

< >
[Figure 101]
[Figure 102]
[Figure 103]
[Figure 104]
[Figure 105]
[Figure 106]
[Figure 107]
[Figure 108]
[Figure 109]
[Figure 110]
[Figure 111]
[Figure 112]
[Figure 113]
[Figure 114]
[Figure 115]
[Figure 116]
[Figure 117]
[Figure 118]
[Figure 119]
[Figure 120]
[Figure 121]
[Figure 122]
[Figure 123]
[Figure 124]
[Figure 125]
[Figure 126]
[Figure 127]
[Figure 128]
[Figure 129]
[Figure 130]
< >
page |< < of 599 > >|
1 77[Figure 77]
At duabus de cauſis uenæ uruntur: uel enim ut ex duris molles & fragi­
les factæ facilius aut tundi malleis pilisúe, aut mox excoqui poſſint: uel ut
res pingues comburantur ſulfur ſcilicet, bitumen, auripigmentum, ſandaraca: ſed
sulfur ſæpius in uenis metallicis ineſt, & plerunque plus quàm cætera nocet
metallis omnibus, excepto auro: uerùm maximè nocet ferro, minus plum­
bo candido quàm uel cinereo, uel nigro, uel argento, uel æri.
Quoniam ue­
rò rariſſimè inuenitur aurum, in quo non ſit argentum, etiam uenæ auri ſul­
fur in ſe continentes urendæ ſunt priuſquam excoquantur: etenim ſulfur in
cinerem reſoluit metallum in uehementiſſimo fornacum igni, atque ex eo re­
crementum efficit: idem agit bitumen: imo interdum argentum conſumit:
quod in cadmia bituminoſa licet uidere.
Sed nunc ad urendi modos uenio: &
primò quidem ad eum, qui omnib.
uenis communis eſt. Terra tantummodo effoſſa
fit area quadrangula ſatis magna & à fronte aperta: ſuper quam ligna continenter
componuntur: & ſuper ea alia ligna tranſuerſa item continenter locantur: quocirca hanc
lignorum ſtruem noſtri cratem appellant: id uerò iteratur uſque dum ſtrues illa cubitum
unum uel duo fiat alta: tum ſuper eam imponuntur uenarum qualiumcunque mal
leis comminutarum fragmenta: primò maxima, deinde mediocria, poſtre­
mò minima: ſicque coagmentatio clementer aſſurgens metæ forma figura­
tur.
Ne uerò diſſipetur eiuſdem uenæ arenula aquis madida ipſi illinitur, &

Text layer

  • Dictionary
  • Places

Text normalization

  • Original
  • Regularized
  • Normalized

Search


  • Exact
  • All forms
  • Fulltext index
  • Morphological index