https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13991052Edit ImageSaveSaveEditCropCustom TextGottfried Wilhelm Mueller. Line engraving by C.G. Geyser after F. L. Hauck.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 858 x 1200 px | 300 dpiLarge JPEG 2356 x 3294 px | 300 dpiFree DownloadGottfried Wilhelm Mueller. Line engraving by C.G. Geyser after F. L. Hauck.More