https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14020557Edit ImageSaveSaveEditCropCustom TextJohn Heaviside. Soft-ground etching by W. Daniell after G. Dance.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 950 x 1200 px | 300 dpiLarge JPEG 2398 x 3029 px | 300 dpiFree DownloadJohn Heaviside. Soft-ground etching by W. Daniell after G. Dance.More