12 apr 1900 anni - Navigation Chart

Descrizione:

wood, fiber, shell
Marshall Islands (Micronesia)
navigation tools, had to be memorized, marked locations of islands and swell/wave patterns (vertical + horizontal lines = support, diagonal + curved lines = wave swells, shells = positions of islands)
Rebbelib= large section/ all of the Marshall Islands
Mattang= small, for training people who were to become navigators

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