https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13974980Edit ImageSaveSaveEditCropCustom TextNathaniel Cotton. Line engraving by W. H. Worthington, 1820, after J. Thurston.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 836 x 1200 px | 300 dpiLarge JPEG 2310 x 3317 px | 300 dpiFree DownloadNathaniel Cotton. Line engraving by W. H. Worthington, 1820, after J. Thurston.More