https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13990879Edit ImageSaveSaveEditCropCustom TextWilliam Smellie. Stipple engraving by H. B. Hall after G. Watson.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 871 x 1200 px | 300 dpiLarge JPEG 2409 x 3320 px | 300 dpiFree DownloadWilliam Smellie. Stipple engraving by H. B. Hall after G. Watson.More