Robuta

https://digital.sciencehistory.org/works/pn89d712c/viewer/k3569479p Pretiosa margarita novella - Science History Institute Digital Collections This is one of only six known complete manuscripts of a 14th-century alchemical treatise; all the extant manuscripts date from the 15th century or later. This... pretiosa margarita novellascience history institutedigital collections https://digital.sciencehistory.org/works/pn89d712c/viewer/j3860737h Pretiosa margarita novella - Science History Institute Digital Collections This is one of only six known complete manuscripts of a 14th-century alchemical treatise; all the extant manuscripts date from the 15th century or later. This... pretiosa margarita novellascience history institutedigital collections