https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14012773Edit ImageSaveSaveEditCropCustom TextCivil engineering: the Menai box girder bridge. Lithograph by G. Hawkins after himself.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 910 px | 300 dpiLarge JPEG 3070 x 2328 px | 300 dpiFree DownloadCivil engineering: the Menai box girder bridge. Lithograph by G. Hawkins after himself.More