https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14018759Edit ImageSaveSaveEditCropCustom TextHydraulics: a pump for sanitary use []. Engraving by G. Daws.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 944 x 1200 px | 300 dpiLarge JPEG 2454 x 3120 px | 300 dpiFree DownloadHydraulics: a pump for sanitary use []. Engraving by G. Daws.More