https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13994637Edit ImageSaveSaveEditCropCustom TextRobert John Thornton. Stipple engraving by B. Thomson, 1808, after G. H. Harlow.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 777 x 1200 px | 300 dpiLarge JPEG 1172 x 1811 px | 300 dpiFree DownloadRobert John Thornton. Stipple engraving by B. Thomson, 1808, after G. H. Harlow.More