https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14008900Edit ImageSaveSaveEditCropCustom TextGeorge Birkbeck. Stipple engraving by T. Woolnoth after T. C. Wageman.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 726 x 1200 px | 300 dpiLarge JPEG 1289 x 2130 px | 300 dpiFree DownloadGeorge Birkbeck. Stipple engraving by T. Woolnoth after T. C. Wageman.More