https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13996139Edit ImageSaveSaveEditCropCustom TextJohann Gottlob Krueger. Line engraving by J. C. Sysang.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 761 x 1200 px | 300 dpiLarge JPEG 2219 x 3500 px | 300 dpiBest Quality JPEG 2251 x 3550 px | 300 dpiFree DownloadJohann Gottlob Krueger. Line engraving by J. C. Sysang.More