https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13952779Edit ImageSaveSaveEditCropCustom TextAn alchemist blowing on a fire to heat a still . Oil painting attributed to Christian-Wilhelm-Ernst Dietrich, called Dietricy.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1015 x 1200 px | 300 dpiLarge JPEG 2592 x 3064 px | 300 dpiFree DownloadAn alchemist blowing on a fire to heat a still . Oil painting attributed to Christian-Wilhelm-Ernst Dietrich, called Dietricy.More