https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14005116Edit ImageSaveSaveEditCropCustom TextArthur Cayley. Stipple engraving by G.J. Stodart, 1883, after Barraud & Jerrard.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 813 x 1200 px | 300 dpiLarge JPEG 2261 x 3337 px | 300 dpiFree DownloadArthur Cayley. Stipple engraving by G.J. Stodart, 1883, after Barraud & Jerrard.More