Thomas Aquinas
1420
Germany
There are several versions of the manuscript and depending on the library, the number, order and certain details of the figures differ. The Zurich manuscript is the oldest. We also recovered the additional figures present in the Leiden manuscripts ( Vossiani Chemici F. 29. Glasgow Ferguson 6 figures are available PSI
To the extent that the text accompanying the images is an anthology of biblical and alchemical texts which are not necessarily linked to the images, we will not reproduce it here, especially since the French translation is not a priori free from right.




































































Quote of the Day
“It is necessary therefore to convert the bodies of metals into a fluid substance; for that every tincture will tinge a thousand times more in a soft and liquid substance, than when it is in a dry one, as is plainly apparent in saffron. Therefore the transmutation of imperfect metals is impossible to be done by perfect bodies, while they are dry and hard; for which cause sake they must be brought back into their first matter, which is soft and fluid. It appears therefore that the moisture must be reverted that the hidden treasure may be revealed. And this is called the reincrudation of bodies, which is the decocting and softening them, till they lose their hard and dry substance or form”
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