Preface.

...they should strive to discover the infinitely many hidden things still in this kingdom referring to the mineral kingdom or the realm of nature; there they will perhaps succeed sooner than in the discovery of the unknown islands in the philosophical sea a metaphor for the vast and often confusing body of alchemical theory and literature. Let them leave the upper realms in their immeasurable expanse original: "Expanso"; a term used to describe the vastness of the heavens or the spiritual world and stick to the lower, more concentrated matters original: "Concentrirtere"; referring to the dense, physical reality of minerals and the earth. I am,

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