https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14015314Edit ImageSaveSaveEditCropCustom TextJohann Caspar Hirzel. Etching by H. Pfenninger.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 730 x 1200 px | 300 dpiLarge JPEG 2129 x 3500 px | 300 dpiBest Quality JPEG 2210 x 3633 px | 300 dpiFree DownloadJohann Caspar Hirzel. Etching by H. Pfenninger.More