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https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14006503

Civil 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 Collection

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Civil engineering: a chart of the Menai straits, showing the building of the box girder bridge. Lithograph after E. Clark, 1849.

More