https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13973043Edit ImageSaveSaveEditCropCustom TextJames Joseph Sylvester. Stipple engraving by G. J. Stodart after Messrs J. Stilliard & Co.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 822 x 1200 px | 300 dpiLarge JPEG 2322 x 3388 px | 300 dpiFree DownloadJames Joseph Sylvester. Stipple engraving by G. J. Stodart after Messrs J. Stilliard & Co.More