The Book of the Ocean, by Ernest Ingersoll, Part 4

Let's sail to sleep with more about the history of maritime exploration, including Vikings in North America, the Chinese invention of the compass, Arabic navigation tools, and the rise of the Portuguese. Dreams ahoy!

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Read "The Book of the Ocean" at Project Gutenberg: https://www.gutenberg.org/ebooks/56311

Music: "Ocean Tapping," by PC III, licensed under CC BY

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