https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13986776Edit 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 1200 x 712 px | 300 dpiLarge JPEG 3374 x 2001 px | 300 dpiFree DownloadEngineering: hydrostatics, illustrations of pressure gradients. Engraving.More