https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14015804Edit ImageSaveSaveEditCropCustom TextHumphry Sandwith. Stipple engraving by D. J. Pound after Watkins.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 773 x 1200 px | 300 dpiLarge JPEG 2251 x 3496 px | 300 dpiFree DownloadHumphry Sandwith. Stipple engraving by D. J. Pound after Watkins.More