https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13974697Edit ImageSaveSaveEditCropCustom TextGeorge Edwards. Line engraving after I. Gosset.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1026 x 1200 px | 300 dpiLarge JPEG 1250 x 1462 px | 300 dpiFree DownloadGeorge Edwards. Line engraving after I. Gosset.More