https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13980346Edit ImageSaveSaveEditCropCustom TextJames Ferguson. Line engraving, 1785, after J. Townsend.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 774 x 1200 px | 300 dpiLarge JPEG 1379 x 2139 px | 300 dpiFree DownloadJames Ferguson. Line engraving, 1785, after J. Townsend.More