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Elementa artis docimasticae duobus tomis comprehensa, quorum prior theoriam, posterior praxin / [Johann Andreas Cramer].

  • Johann Andreas Cramer
Date:
1739
Catalogue details

Licence: Public Domain Mark

Credit: Elementa artis docimasticae duobus tomis comprehensa, quorum prior theoriam, posterior praxin / [Johann Andreas Cramer]. Source: Wellcome Collection.

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    perimentis fieri poteft, defcribere prius decet eum, qui Docitnafiam exhibere ra- tionaliter conatur. — . ;j $. 4. Mineralia hactenus cognita ad quinque claffes referri poffunt omnia ; Salia. IV. Sulphura. V. Lapides & terras complectitur. ; Dr METALLIS . S. f. Metallay, fi pura funt, vocantur corpora ponderofiffima , in diverfo ignis sradu fluida, calore atmofphzerz naturali folida, fub malleo in omnes dimenfiones extendi potentia, opaciffima. Horum nu- mherantur íex : Aurum videlicet, Argén- tum, Cuprum, Plumbum, Stannum , - $. 6. durum, Sol, cujus character (() metallorum notas characteriflicas ($. PE juam perfe&iffime habet. Amittit in a- ]ua pura, deftilata, fufpenfum intra umvis diu, fufum fubítantize fuae nihil pera lit, adeoque fixiffimum ; malleo facillime edens ; percuffum non tinnit ; in igne, fta- E. A. 2 (o. tim
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