Roger Bacon ((1210 to 1215?)-1294) was an English Alchemist and Philosopher during the Middle Ages who insisted on conducting his own experiments and observing the results, as opposed to depending upon the writings of others. Hans Nintzel selected these four works for inclusion in the R.A.M.S. Library: Radix Mundi The Mirrour of Alchimy The Oil of Antimony Miracles of Art, Nature and Magick
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