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Michael Sendivogius (1566–1636) was a world-renowned Polish alchemist, philosopher, and medical doctor. He is most famous for his theories on the "nitre of the air" (a precursor to the discovery of oxygen) and his influential alchemical treatises, which were studied by figures like Isaac Newton.
R
T 4026.
A handwritten letter 'C' is circled in red ink and struck through with a horizontal line, likely an obsolete library classification or shelf-mark code.
52830
On the far right edge of the leaf, fragments of text from the following page are visible due to the way the book is bound or the transparency of the paper. These fragments appear to be written in German Fraktur script, a decorative calligraphic style of the Latin alphabet common in Central Europe from the 16th century through the early 20th century.