https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14006503Edit ImageSaveSaveEditCropCustom TextCivil engineering: a chart of the Menai straits, showing the building of the box girder bridge. Lithograph after E. Clark, 1849.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 680 px | 300 dpiLarge JPEG 3500 x 1982 px | 300 dpiBest Quality JPEG 3652 x 2068 px | 300 dpiFree DownloadCivil engineering: a chart of the Menai straits, showing the building of the box girder bridge. Lithograph after E. Clark, 1849.More