4° Alchemy 91.-3 A shelfmark or call number used by a library to categorize and locate the book on a shelf. "4°" indicates a "quarto" size, meaning the original paper was folded twice to create four leaves.

[Salomon Trismosin] Salomon Trismosin is a legendary alchemist, famously claimed to be the teacher of Paracelsus and the author of the beautifully illustrated alchemical work Splendor Solis.

Alchemy original: "Alchemia"

The Golden Fleece original: "Aureum Vellus"; a reference to the Greek myth of Jason and the Argonauts. In alchemical circles, the "Golden Fleece" was a common metaphor for the ultimate goal of alchemy: the transformation of base metals into gold or the attainment of spiritual perfection.

Treatise. original: "Tractatus"

R

belongs with 4° Alchemy 89/2 original: "gehört zu"; a cataloger’s note indicating that this manuscript is part of a series or related to another specific volume in the library's collection.