https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13980638Edit ImageSaveSaveEditCropCustom TextAn alchemist in his laboratory. Oil painting by or after David Ryckaert III.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 967 px | 300 dpiLarge JPEG 3500 x 2820 px | 300 dpiBest Quality JPEG 11085 x 8930 px | 300 dpiFree DownloadAn alchemist in his laboratory. Oil painting by or after David Ryckaert III.More