https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13979835Edit ImageSaveSaveEditCropCustom TextGeorge Birkbeck. Stipple engraving by R. Page, 1828.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 721 x 1200 px | 300 dpiLarge JPEG 1115 x 1855 px | 300 dpiFree DownloadGeorge Birkbeck. Stipple engraving by R. Page, 1828.More