https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14010658Edit ImageSaveSaveEditCropCustom TextCharles Hutton. Stipple engraving by J. Thomson, 1823, after W. Derby after S. Gahagan.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 755 x 1200 px | 300 dpiLarge JPEG 2102 x 3342 px | 300 dpiFree DownloadCharles Hutton. Stipple engraving by J. Thomson, 1823, after W. Derby after S. Gahagan.More