https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13989737Edit ImageSaveSaveEditCropCustom TextThomas Chalmers. Stipple engraving by H. T. Ryall, 1848, after A. Claudet.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 842 x 1200 px | 300 dpiLarge JPEG 2431 x 3466 px | 300 dpiFree DownloadThomas Chalmers. Stipple engraving by H. T. Ryall, 1848, after A. Claudet.More