https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14016359Edit ImageSaveSaveEditCropCustom TextEldridge. Line engraving after T. Hillyard.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 790 x 1200 px | 300 dpiLarge JPEG 1176 x 1786 px | 300 dpiFree DownloadEldridge. Line engraving after T. Hillyard.More