https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14008870Edit ImageSaveSaveEditCropCustom TextIsaac Barrow. Stipple engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 783 x 1200 px | 300 dpiLarge JPEG 1188 x 1820 px | 300 dpiFree DownloadIsaac Barrow. Stipple engraving.More