https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14003972Edit ImageSaveSaveEditCropCustom TextPythagoras. Line engraving by D. Cunego, 1782, after R. Mengs after Raphael.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 847 x 1200 px | 300 dpiLarge JPEG 2264 x 3207 px | 300 dpiFree DownloadPythagoras. Line engraving by D. Cunego, 1782, after R. Mengs after Raphael.More