https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13976350Edit ImageSaveSaveEditCropCustom TextAn alchemist poring over a book, on his table stand an hour-glass, a skull, and an astrological globe. Engraving by J.N. Tardieu after D. Teniers the younger, 1640/1650.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 977 px | 300 dpiLarge JPEG 1518 x 1236 px | 300 dpiFree DownloadAn alchemist poring over a book, on his table stand an hour-glass, a skull, and an astrological globe. Engraving by J.N. Tardieu after D. Teniers the younger, 1640/1650.More