https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13994865Edit ImageSaveSaveEditCropCustom TextA variety of animalcules, including opercularias, nebuliferas and digitalis. Line engraving by Milton.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 949 x 1200 px | 300 dpiLarge JPEG 2382 x 3011 px | 300 dpiFree DownloadA variety of animalcules, including opercularias, nebuliferas and digitalis. Line engraving by Milton.More