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    Re: Buying a sextant- a cautionary tale.
    From: Bill B
    Date: 2006 May 1, 14:14 -0500

    Bill wrote
    >> That is what really bothered me.  If it were some newbie that treated the
    >> sextant like a toy, I would be inclined to ignore it.  But I know you to
    >> take great care and have a very good eye and hand (relative to mine ;-)
    Alex replied:
    > And you also tried this sextant, and got the same
    > sort of error.
    Yes.  In one instance I can remember you were backing up my star-to-star
    observations with the Sno-T and scope A. With your new IC you would have
    been spot one, and I would have been nominally 0.3' to 0.4' over on average.
    Not impossible for me ;-)  On the other hand I failed to do my own IE check
    with the Sno-T and scope A, and I am convinced that changing focus can
    affect index error with most scopes.

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