https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14008288Edit ImageSaveSaveEditCropCustom TextGeorge Parker. Line engraving by J. Nutting.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 2272 x 3480 px | 300 dpiFree DownloadGeorge Parker. Line engraving by J. Nutting.More