| 1. | This may explain some of the magnetic variations that mystified old-time sailors.
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| 2. | Borri also made observations on the magnetic variation of the compass.
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| 3. | :Airport navigation charts are a good source for magnetic variation.
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| 4. | This permitted mariners to determine the time and magnetic variation in a single step.
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| 5. | In 1530, Alonzo de Santa Cruz produced the first map of magnetic variations from true north.
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| 6. | Wright translated into English " De Havenvinding " ( 1599 ) by the magnetic variation, was actually Wright's work.
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| 7. | The 262 page volume is complete with illustrations, coordinate tables, notes on magnetic variation and some bathymetric sounding information.
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| 8. | They do not consider the value of the magnetic variation of the place at all while using a magnetic Compass.
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| 9. | Mounted on aircraft, magnetometers such as this one are capable of detecting magnetic variations as minute as one part in 100 million.
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| 10. | Though I'm not sure, I'm guessing that this new system may allow easier navigation ( eg regarding determination of magnetic variation with compasses)
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मोबाइल