On the Consideration of the Quintessence
De consideratione quintae essentiae seu de famulatu philosophiae
Latin
Johannes de Rupescissa c. 1351-1352 · published 15th century
149 pages
First Translation
No prior complete English translation of this text has been found.
Extensive searches across multiple scholarly catalogs (including local catalogs, OpenAlex, and Internet Archive) yielded no evidence of an English translation of Johannes de Rupescissa's 'De consideratione quintae essentiae' (On the Consideration of the Quintessence). While the work is frequently cited in academic literature regarding alchemy and medieval medicine, no complete or partial English translation has been identified in these databases.
Verified Mar 30, 2026 via local catalogs, open library, google books, internet archive, openalex · methodology
About This Book
alchemynatural-philosophytheologychristian-mysticism
Johannes de Rupescissa teaches you how to distill the 'quintessence' from the physical world to cure disease and reach the limits of human longevity. This manual bridges the gap between laboratory alchemy and divine philosophy.
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