https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13974719Edit ImageSaveSaveEditCropCustom TextJoseph Johann Littrow. Line engraving by H. Pinhas after Kriehuber.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 855 x 1200 px | 300 dpiLarge JPEG 2322 x 3260 px | 300 dpiFree DownloadJoseph Johann Littrow. Line engraving by H. Pinhas after Kriehuber.More