https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13981965Edit ImageSaveSaveEditCropCustom TextJoseph Black. Stipple engraving by J. Posselwhite after J. Heath after H. Raeburn.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 771 x 1200 px | 300 dpiLarge JPEG 1371 x 2134 px | 300 dpiFree DownloadJoseph Black. Stipple engraving by J. Posselwhite after J. Heath after H. Raeburn.More