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Kirchner Athanasius Ars Magna Lucis et Umbrae frontispiece. frontispiece of Athanasius Kircher's book Ars magna lucis et umbrae in decem libros digesta Quibus admirandae lucis et umbrae in mundo atque adeo universa natura Rome Scheus or earlier author Uploaded to by peacay Paul External links mpiwgberlin mpg de url pn