Two On A Big Ocean The Story of the First Circumnavigation
of the Pacific Basin
in a Small Sailing Ship

      

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Hal Roth
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Re: Sextant Telescope Collimation

From: Jared Sherman (no email)
Date: Tue Oct 18 2005 - 18:26:56 EDT

  • Next message: Frank Reed: "Sextant Telescope Collimation"

    <and all of them had significant telescope collimation
    > problems that could easily yield errors of one to ten minutes of arc.>

    Frank-

     Brands? Privately owned and cared for, or knockabouts? Any correlation to the
    reputation of the maker ($) and the amount of error? Any chance to compare that
    to "new-ish" instruments that have seen little use and in theory are in better
    shape?

  • Next message: Frank Reed: "Sextant Telescope Collimation"



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