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    C. 1830 Octant
    From: Jim Wellington
    Date: 2014 Oct 12, 11:59 -0700

    In 1985 I bought a c. 1830 ebony and ivory octant from Tesseract an early scientific instrument company.  I have always been interested in the history of the octant.  Where and when was it used?  Does anyone have any information on the instrument?

     



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