https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13986396Edit ImageSaveSaveEditCropCustom TextPythagoras. Line engraving by J. Dambrun after Maréchal.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 789 x 1200 px | 300 dpiLarge JPEG 2300 x 3500 px | 300 dpiBest Quality JPEG 2412 x 3670 px | 300 dpiFree DownloadPythagoras. Line engraving by J. Dambrun after Maréchal.More