USS Hartford (1858)- Spar & Sail Plan - NARA - 117877200.jpg
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USS Hartford (1858) Spar & Sail Plan NARA 117877200, USS Hartford (ship, 1859), US National Archives series: Alphabetical Series of Ship Engineering Drawings, Images from the National Archives and Records Administration, US National Archives location: other, USS Hartford (1858): Spar & Sail Plan
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headsail spar modified american plan