American practical navigator: an epitome of navigation and nautical astronomy (1914)
Bowditch, Nathaniel, 1773-1838, Logan, George Wood, 1868-1915, United States. Navy Dept. Bureau of Equipment · Washington, Govt. Print. Off · leaf 249
sh Islesto the Azores. Icebergs assume the greatest variety of shapes, from those approximating tosome regular geometric figure to others crowned with spires, domes, minarets, andpeaks, while others still are pierced by deep indentations or caves. Small cataractsfall from the large bergs, while… … FIG 80. jecting ledge. They frequently have outlying spurs under water, which are asdangerous as any other sunken reefs. For this reason it is advisable for vessels togive them a wide berth, for there are cases on record where vessels were seriouslydamaged by striking when apparently clear of the…
Navigation · Nautical astronomy
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