https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14021441Edit ImageSaveSaveEditCropCustom TextTop left, section of the heart; top right, intestines; centre left and right, hernia; bottom left, carotide; bottom right, speculum. Coloured engraving, 1834-1837.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 824 x 1200 px | 300 dpiLarge JPEG 1230 x 1791 px | 300 dpiFree DownloadTop left, section of the heart; top right, intestines; centre left and right, hernia; bottom left, carotide; bottom right, speculum. Coloured engraving, 1834-1837.More