https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14003225Edit ImageSaveSaveEditCropCustom TextJulius Griffiths. Stipple engraving by E. Mitchell after W.J. Thomson.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 820 x 1200 px | 300 dpiLarge JPEG 1173 x 1716 px | 300 dpiFree DownloadJulius Griffiths. Stipple engraving by E. Mitchell after W.J. Thomson.More