https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13955860Edit ImageSaveSaveEditCropCustom TextMake it Yours.Remix, add effects & personalize with your own textCustomizeOr start from these designsCivil engineering: a steam-powered dredger in side elevation and plan, with details of the scoop. Engraving by Gray & son after G. Whitelaw.MoreCivil engineering: a steam-powered dredger in side elevation and plan, with details of the scoop. Engraving by Gray & son after G. Whitelaw.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 766 px | 300 dpiLarge JPEG 3500 x 2233 px | 300 dpiBest Quality JPEG 3592 x 2292 px | 300 dpiFree Download