https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13980476Edit ImageSaveSaveEditCropCustom TextRobert Glynn [Clobery]. Line engraving by J. Page after himself.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 854 x 1200 px | 300 dpiLarge JPEG 2232 x 3136 px | 300 dpiFree DownloadRobert Glynn [Clobery]. Line engraving by J. Page after himself.More