Naval architecture: a manual on laying-off iron, steel, and composite vessels (1898)
Watson, Thomas Henry · London; New York: Longmans, Green and co., [etc.] · leaf 365
n plate is about 2 inchesthick. The armour may be kept short of the top to get a thinnerplate between it and the crown to take the sight holes. These holesare 24 inches long horizontally and 3 inches deep vertically ; thecentre being level with the eye of an average man when standing. In ordering… … MOULDS. 151 sent with the finished depth to the manufacturers. Where thearmour is carried to the crown plate, the position of the sight holesshould be given as in plan, Fig. 155, and the vertical height, withtheir depth, supplied to the manufacturer. A template of the seatfor the armour is given to…
Naval architecture -- Handbooks, manuals, etc · Naval architecture · Ships, Iron and steel
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