https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14011242Edit ImageSaveSaveEditCropCustom TextEngineering: hydrostatics, illustrations of pressure gradients. Engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 798 x 1200 px | 300 dpiLarge JPEG 2270 x 3412 px | 300 dpiFree DownloadEngineering: hydrostatics, illustrations of pressure gradients. Engraving.More