https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14011805Edit ImageSaveSaveEditCropCustom TextGeorge Gabriel Sigmond. Stipple engraving by H. Cook, 1839, after Harrison.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 945 x 1200 px | 300 dpiLarge JPEG 2519 x 3198 px | 300 dpiFree DownloadGeorge Gabriel Sigmond. Stipple engraving by H. Cook, 1839, after Harrison.More