https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13975571Edit ImageSaveSaveEditCropCustom TextTrinity College, Dublin, Ireland. Line engraving after T. Jacobsen.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 1003 px | 300 dpiLarge JPEG 3000 x 2508 px | 300 dpiFree DownloadTrinity College, Dublin, Ireland. Line engraving after T. Jacobsen.More