"Yangwu" . . "''Yangwu''" . "Yang Wu" . . "Chinese corvette Yangwu" . "corvette ''Yangwu''" . . . . . . . . "1872-04-23" . . . "Chinese corvette Yangwu" . . "Sunk August 23, 1884" . "10.9728" . . . . . . "57.912" . . . . . . . . "24.076" .