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In an eighteenth-century alchemical manuscript, "The Wisdom of the Ancient Philosophers, or Their Teaching on the Supreme and Universal Medicine", once kept in the Capuchin library on the Rue Saint-Honoré and describing a universal medicine capable of pre

Archive · Books · Observations · Science · Paris

In an eighteenth-century alchemical manuscript, "The Wisdom of the Ancient Philosophers, or Their Teaching on the Supreme and Universal Medicine", once kept in the Capuchin library on the Rue Saint-Honoré and describing a universal medicine capable of pre

Let us take four from the many scenes: Fermentatio, Putrefactio, Solutio, Calcinatio. They show, first, the substance: a toad half-submerged in water and speckled with rising bubbles. This is the textbook visual representation of the "putrefaction of matter, often accompanied by the release of gas. Putrefaction is followed

By Alexandr Radayev
Ekaterina Dolgorukaya's study on the English Embankment in Saint Petersburg, 1876

Aristocracy · Archive · Monarchies · Mores · Saint Petersburg

Ekaterina Dolgorukaya's study on the English Embankment in Saint Petersburg, 1876

Interior of the study of Ekaterina Mikhailovna Dolgorukaya, the first Most Serene Princess Yuryevskaya, in her house on the English Embankment in Saint Petersburg. Photograph of 1876. Princess Ekaterina Mikhailovna Dolgorukova (Dolgorukaya), from 1880 Most Serene Princess Yuryevskaya (1847 to 1922), was the second, morganatic, wife of Emperor Alexander II;

By Alexandr Radayev