https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13959437Edit ImageSaveSaveEditCropCustom TextJohn Abernethy. Coloured etching.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 904 px | 300 dpiLarge JPEG 3292 x 2479 px | 300 dpiFree DownloadJohn Abernethy. Coloured etching.More