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<p>Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
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<br>Subjects: latitude; altitude; apparent; longitude; people; going; distance; meridian; table; cos; apparent altitude; apparent time; observed altitude; meridian altitude; true altitude; time greenwich; high water; middle latitude; lower limb; traverse table</div>
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Janet Taylor</div>
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