Materials and Layout
She was constructed of timber, and the deck, as well as the sides near the water line is protected by iron plating 1 in (25 mm) thick. Shown in elevation in Fig. 1, and section in Fig. 2, the pilothouse was place just a little ahead of the middle of the vessel with a 5 ft (1.5 m) outside diameter, and being constructed, for a height of 2 ft 8 in (810 mm) above the deck, of twelve layers of iron plates, each 1 in (25 mm) in thickness. The total weight of the pilothouse was 25,000 lb (11,000 kg).
Read more about this topic: USS Spuyten Duyvil (1864)
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