https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13979178Edit ImageSaveSaveEditCropCustom TextRaymond de Vieussens. Line engraving by M. Boulanger.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 899 x 1200 px | 300 dpiLarge JPEG 2362 x 3152 px | 300 dpiFree DownloadRaymond de Vieussens. Line engraving by M. Boulanger.More