"Mariners at sea, when, through cloudy weather in the day which hides the sun, or through the darkness of night, they lose knowlege of the quarter of the world to which they are sailing, touch a needle with a magnet, which will turn round till, on its motion ceasing, its point will be directed towards the north."
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Original Language: English
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Sources
Alexander Neckam in : Joseph Mayer A Library of National Antiquities, D. Marples (1857), p. 17.
https://en.wikiquote.org/wiki/Magnetism
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Magnetism
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