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We do not know who hid under the pseudonym Philippus à Gabella. Raphael Eglin and Johannes Rhenanus have been suggested as the author, who, according to Carlos Gilly had a profound knowledge of alchemy.
Secretioris philosophiae consideratio brevis à Philippo à Gabella philosophiae st. Conscripta & nunc primùm unà cum Confessione fraternitatis R.C. in lucem edita.
Cassellis, excudebat Guilhelmus Wesselius illmi princ typographus, anno post natum Christum 1615
Copies: Berlin, Edinburgh, Gotha, London, Paris, Wolfenbüttel
