https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13953991Edit ImageSaveSaveEditCropCustom TextThe external blood vessels of the head. Coloured engraving by G. Kirtland, 1815.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 805 x 1200 px | 300 dpiLarge JPEG 2168 x 3233 px | 300 dpiFree DownloadThe external blood vessels of the head. Coloured engraving by G. Kirtland, 1815.More