I have seen some interesting arguments from Mariner and Mackaydon on this topic a while ago (year/s) here is a link with good reading,
http://www.royalbcmuseum.bc.ca/Content_Files/Files/JapaneseShipwrecks.pdf
Thought some might be interested.
GH
http://www.royalbcmuseum.bc.ca/Content_Files/Files/JapaneseShipwrecks.pdf
Thought some might be interested.
GH