https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14013459Edit ImageSaveSaveEditCropCustom TextChristian Karl Josias, Freiherr von Bunsen. Stipple engraving by H. Adlard, 1868, after C. Rosting, 1860.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 807 x 1200 px | 300 dpiLarge JPEG 2243 x 3337 px | 300 dpiFree DownloadChristian Karl Josias, Freiherr von Bunsen. Stipple engraving by H. Adlard, 1868, after C. Rosting, 1860.More