https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13969975Edit ImageSaveSaveEditCropCustom TextBones of the skull: nineteen figures. Line engraving by H. Winkles under the direction of J.G. Heck, 1830/1845.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 965 px | 300 dpiLarge JPEG 3071 x 2469 px | 300 dpiFree DownloadBones of the skull: nineteen figures. Line engraving by H. Winkles under the direction of J.G. Heck, 1830/1845.More