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MSM Year 8 Ancient China
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Contents contributed and discussions participated by Shannon Hampton
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Shannon Hampton
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How compass is made - material, making, history, used, parts, components, product, Hist...
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www.madehow.com/...Compass.html
Ancient
China
Magnetic
Compass
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Shannon Hampton
on 23 May 12
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Shannon Hampton
on 23 May 12
Background A compass is a device used to determine direction on the surface of the earth. The most familiar type of compass is the magnetic compass, which relies on the fact that a magnetic object tends to align itself with Earth's magnetic field.
<div class="cArrow"> </div><div class="cContentInner">Background A compass is a device used to determine direction on the surface of the earth. The most familiar type of compass is the magnetic compass, which relies on the fact that a magnetic object tends to align itself with Earth's magnetic field.</div>
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