https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13983160Edit ImageSaveSaveEditCropCustom TextErnest William Hobson. Process print.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 892 x 1200 px | 300 dpiLarge JPEG 2360 x 3174 px | 300 dpiFree DownloadErnest William Hobson. Process print.More