https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14003295Edit ImageSaveSaveEditCropCustom TextJohann Heinrich Schmidt. Lithograph by F. K. Tielker.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 828 x 1200 px | 300 dpiLarge JPEG 2272 x 3294 px | 300 dpiFree DownloadJohann Heinrich Schmidt. Lithograph by F. K. Tielker.More