https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13970951Edit ImageSaveSaveEditCropCustom TextEngineering: drills for boring artesian wells. 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 793 x 1200 px | 300 dpiLarge JPEG 1409 x 2133 px | 300 dpiFree DownloadEngineering: drills for boring artesian wells. Lithograph by Martin and Hood, 1852, after C.J. Light.More