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 340
sitions.A port P R S is made for working the gun at extreme angles, whichmeans, that the lowrer edge sill should clear when at a depression ofsay 25 degrees, and the top edge at an elevation of 30 degrees at 80degrees range. Doors are fitted to this port, hinged fore and aft, ortowards the… … Fig. 150. BODY. SHEER. FO R EC ASTLE___DECK_
Naval architecture -- Handbooks, manuals, etc · Naval architecture · Ships, Iron and steel
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