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    Re: Celestial a Black Box?
    From: Henry Halboth
    Date: 2016 Jan 17, 23:28 -0500

    I don't know about the black box part but i have both resilvered a mirror and repaired chronometer lately, I have been meaning to write up my resilvering advenure, which was quite successful, and may still do so when i get a chance. 


    On Sun, Jan 17, 2016 at 5:17 PM, Frank Reed <NoReply_FrankReed@fer3.com> wrote:

    Quoting an experienced navigation instructor:
    "I now make it a point to all navigators that sextant, chronometer and tables comprise just as much of a 'black box' as does satellite navigation. Has anyone silvered a mirror lately in an emergency, or perhaps repaired a chronometer? Celestial navigation is merely an old fashioned 'black box' requiring a bit more of the navigator..."

    Is this a fair statement today? Is celestial a 'black box'? Just curious to hear opinions on the matter.

    Frank Reed

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