Instead of distillations on liquids and oils extracted from plants, in chap three, Johannes Isaac Hollandus has salts ground, dissolved in distilled vinegar, then raised with subtle combustible spirits,
[Read more…] about Hollandus, De Lapide Philosophico. First Book 3-4Opera Mineralia-De Lapide Philosophico
Hollandus, De Lapide Philosophico. First Book 2
Chapter Two of Opera Mineralia, sive de Lapide Philosophico, by Johannes Isaac Hollandus, deals with actions involving silver cupeling.
[Read more…] about Hollandus, De Lapide Philosophico. First Book 2Hollandus, De Lapide Philosophico. First Book 1
Johannes Isaac Hollandus De Lapide Philosophico comprises two treatises, but only a summary of the second one is usually available online.
[Read more…] about Hollandus, De Lapide Philosophico. First Book 1