https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14017495Edit ImageSaveSaveEditCropCustom TextDietrich Conerding. Line engraving by C. Romstet.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 935 x 1200 px | 300 dpiLarge JPEG 2497 x 3204 px | 300 dpiFree DownloadDietrich Conerding. Line engraving by C. Romstet.More