by Melody Amsel-Arieli Simple magnification devices, like water-filled spheres and rock crystal (quartz) “burning glasses” were known around the Mediterranean and across the Middle East in ancient times. These […]
Tag Archives: scientific
By Donald H. Pfister and Jennifer Brown, Harvard University Herbaria Unless otherwise noted, all images courtesy of the Ware Collection of Blaschka Glass Models of Plants, Harvard University Herbaria / […]