https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14010907Edit ImageSaveSaveEditCropCustom TextJames Hamilton. Stipple engraving by W. Ridley.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 838 x 1200 px | 300 dpiLarge JPEG 2361 x 3381 px | 300 dpiFree DownloadJames Hamilton. Stipple engraving by W. Ridley.More