https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13966525Edit ImageSaveSaveEditCropCustom TextA man is carrying a knife grinder's wheel on his back. Coloured lithograph by G. Lenghi.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 723 x 1200 px | 300 dpiLarge JPEG 1250 x 2075 px | 300 dpiFree DownloadA man is carrying a knife grinder's wheel on his back. Coloured lithograph by G. Lenghi.More