Boat Hull Ribs of Curtiss HS-1

Boat Hull Ribs of Curtiss HS-1
Here we see the bottom of the hull ribbing of a Curtiss HS-1 under construction at their Elmwood plant on 11 November 1918
How to cite this article: Rickard, J (20 February 2021), Boat Hull Ribs of Curtiss HS-1 , http://www.historyofwar.org/Pictures/pictures_curtiss_HS1_boat_hull_ribs.html

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