https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13988664Edit ImageSaveSaveEditCropCustom TextEngineering: a drilling machine. Lithograph by Martin and Hood, 1852, after C.J. Light.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 800 x 1200 px | 300 dpiLarge JPEG 1424 x 2136 px | 300 dpiFree DownloadEngineering: a drilling machine. Lithograph by Martin and Hood, 1852, after C.J. Light.More