RE: Concrete Ships of Philadelphia

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Concrete Ships of Philadelphia

in explore1918 •  7 years ago 

Cool post! You might also find it interesting that in WW2, Great Britain tried to make ships out of ice: https://99percentinvisible.org/article/project-habbakuk-britains-secret-ice-bergship-aircraft-carrier-project/

explore1918
7 years ago by

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