Keywords: Kirchner, Athanasius - Ars Magna Lucis et Umbrae (frontispiece).jpg 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 1646 http //www flickr com/photos/bibliodyssey/2816372904/sizes/o/ 1646 or earlier author Uploaded to flickr by http //www flickr com/people/bibliodyssey/ peacay / Paul K External links http //echo mpiwg-berlin mpg de/ECHOdocuView/ECHOzogiLib url /mpiwg/online/permanent/einstein_exhibition/sources/5G6UYVGT/pageimg pn 6 mode imagepath Scanned book PD-Art Books by Athanasius Kircher Frontispieces from Germany Double-headed eagles Tetragrammaton Copper engravings Uploads by Mattes from external sources Template artwork possible Ars magna lucis et umbrae |