https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13978414Edit ImageSaveSaveEditCropCustom TextRobert John Thornton. Stipple engraving, 1807.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 1172 px | 300 dpiLarge JPEG 2680 x 2617 px | 300 dpiFree DownloadRobert John Thornton. Stipple engraving, 1807.More