https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13999044Edit ImageSaveSaveEditCropCustom TextMachinery: a kind of crank-driven hammer, with a man working at a forge. Engraving after J. Besson.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 756 x 1200 px | 300 dpiLarge JPEG 1206 x 1914 px | 300 dpiFree DownloadMachinery: a kind of crank-driven hammer, with a man working at a forge. Engraving after J. Besson.More