https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13967737Edit ImageSaveSaveEditCropCustom TextEngineering: driving wheels of a railway locomotive, and section of piston. Coloured lithograph, 1905, by Stanislas petit.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 772 px | 300 dpiLarge JPEG 3308 x 2127 px | 300 dpiFree DownloadEngineering: driving wheels of a railway locomotive, and section of piston. Coloured lithograph, 1905, by Stanislas petit.More