This image of a solar clock comes from Ars magna lucis et umbrae (The Great Art of Light & Shadow) by Athanasius Kircher, which was published in Rome in 1646. Athanasius Kircher, a German Jesuit scholar, was known for his wide-ranging interests & contributions to various fields such as archaeology, linguistics, & science during the 17th century. Ars magna lucis et umbrae is a treatise on light & shadow, exploring various aspects of optics, astronomy, & natural phenomena related to light. The book covers topics such as the nature of light, reflection, refraction, & the properties of lenses & mirrors. Kircher's Ars magna lucis et umbrae was highly regarded during its time & contributed to the understanding of optics & light-related phenomena. It is considered a significant work in the history of science & has influenced subsequent scholars & researchers in the field. - 8.5 x 7 wooden vintage swivel frame stand. Solar Clock - Vintage Swivel Frame Ars Magna Lucis Et Umbrae Athanasius Kircher, 1646 Framed Reproduction On Silvered Wood Handmade