https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13996091Edit ImageSaveSaveEditCropCustom TextJohann Christoph Gottwald. Line engraving by F. C. Göbel after A. M. Wernerin.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 837 x 1200 px | 300 dpiLarge JPEG 2427 x 3478 px | 300 dpiFree DownloadJohann Christoph Gottwald. Line engraving by F. C. Göbel after A. M. Wernerin.More