https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14002360Edit ImageSaveSaveEditCropCustom TextHydraulics: pipes, conduits, fountains, etc. Engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 780 x 1200 px | 300 dpiLarge JPEG 2245 x 3456 px | 300 dpiFree DownloadHydraulics: pipes, conduits, fountains, etc. Engraving.More