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The long, long road to precise navigation » compass1

Ye olde hand-held compass: useful for determining direction, but not able to establish location. (photo by L. Martin)

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This entry was posted on Tuesday, April 16th, 2013 at 7:16 pm and is filed under . You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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