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The introduction to how compasses work, earth's magnetic field,creating homemade compass, the gyroscopic compass, popular articles and lots of more information can be found at this website.
ID: | 3029 |
Title: | HowStuffWorks |
URL: | http://adventure.howstuffworks.com/outdoor-activities/hiking/compass.htm |
Category: | DirWell.com » Sports » Orienteering |
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