https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14006733Edit ImageSaveSaveEditCropCustom TextJohn Browne. Line engraving by R. White.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 795 x 1200 px | 300 dpiLarge JPEG 1370 x 2069 px | 300 dpiFree DownloadJohn Browne. Line engraving by R. White.More