Transcriber’s Note

Project Gutenberg EPUB3 edition Roger Bacon
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Obvious typographical errors have been silently corrected. All other spelling and punctuation remains unchanged.
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The typesetting has used VV for W, with variable spacing. This has been replaced with W throughout.
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The sidenote in Chapter XVI of The Booke of the Secrets of Alchimie begins “The quantitie is called by the Logitians Passion,” it seems likely from the context that this should read The quality etc.
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The table of principal sections was added by the transcriber.

Source attribution

The Mirror of Alchimy, Project Gutenberg eBook #58393

An excellent discourse of the admirable force and efficacie of Art and Nature, written by the famous Frier Roger Bacon, Sometime fellow of Merton Colledge, and afterward of Brasen-nose in Oxford.