https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13981572Edit ImageSaveSaveEditCropCustom TextJohn William Watson Stephens. Process print.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 775 x 1200 px | 300 dpiLarge JPEG 2244 x 3476 px | 300 dpiFree DownloadJohn William Watson Stephens. Process print.More