Download Alchemy and Chemistry in the 16th and 17th Centuries by Michela Pereira (auth.), Piyo Rattansi, Antonio Clericuzio PDF

By Michela Pereira (auth.), Piyo Rattansi, Antonio Clericuzio (eds.)

The current quantity owes its ongm to a Colloquium on "Alchemy and Chemistry within the 16th and 17th Centuries", held on the Warburg Institute on twenty sixth and twenty seventh July 1989. The Colloquium keen on a couple of chosen subject matters in the course of a heavily outlined chronological period: at the relation of alchemy and chemistry to drugs, philosophy, faith, and to the corpuscular philosophy, within the 16th and 17th centuries. The relatives among Medicina and alchemy within the Lullian treatises have been tested within the commencing paper via Michela Pereira, according to researches on unpublished manuscript assets within the interval among the 14th and seventeenth centuries. it's numerous many years because the researches of R.F. Multhauf gave a admired position to Johannes de Rupescissa in linking drugs and alchemy during the notion of a quinta essentia. Michela Pereira explores the importance of the Lullian culture during this improvement and attracts consciousness to the truth that the early Paracelsians had themselves well-known a relations resemblance among the works of Paracelsus and Roger Bacon's scientia experimentalis and, certainly, a continuity with the Lullian tradition.

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Oportet ... L. Bianchi in the Paracelsian concept is clear. The mutual conversion of the visible and the invisible is transposed to a theoretical plane and describes the way in which knowledge attains its object. The exchange between opposites which occurs in alchemical transformations becomes a pattern for representing how knowledge functions. Precisely because of the vast amount of knowledge that alchemy is able to contribute to the field of natural science, Paracelsus takes it as one of the pillars on which the art of medicine is founded.

16 Thanks to fire, the hidden components of bodies may be separately revealed, the specific salts, sulphurs and mercuries that constitute the various parts of an organism - blood, flesh, bone, marrow - are made visible. 17 Regarded as scientia separationis, the skill that teaches man how to break down bodies, and the eye how to penetrate beyond their surface, alchemy becomes the main path that leads to the knowledge of natural substances. It dissolves what the eye immediately perceives and makes visible what was not initially perceptible.

177: "aile ding sollent mit reehtem natiirlichem grunt einander naehgon und gefiirt werden und nit unserem wenen, meinen etc. heimgesezt sonder dem grunt, also das in dem wege besehen werde das unsichtbar, als so es sichtbar wiird"; Von den unsichtbaren Krankheiten, W I, 9, pp. 252, 253: "aus welchem liecht der natur ich weiter fiirfar, das sieh von sichtbarn streekt in das unsichtbar und gleich so wunderbarlieh im selben als im siehtbarn. und das ich aber behalt das liecht der natur, so ist das unsichtbare sichtbar....

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