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    Re: Coordinates on Cook's maps
    From: Alexandre Eremenko
    Date: 2007 Apr 18, 12:06 -0400

    
    Ken,
    Thanks.
    I think I have those almanacs
    (downloaded when this collection was still free).
    I just wanted to make sure that he
    used exactly the same published Nautical almanacs
    (rather than some more precise data his
    astronomers-associates could possibly provide).
    One thing which makes me doubt is this:
    Cook's voyages lasted more than one year.
    The ordinary almanac is published just one year ahead,
    even now. Then how did Cook obtain the data for
    more than one year?
    
    Alex.
    
    On Wed, 18 Apr 2007, Ken Muldrew wrote:
    
    >
    >
    > On 18 Apr 2007 at 10:25, Alexandre E Eremenko wrote:
    >
    > > They WERE available on the web for free, but now
    > > available only by subscription to the
    > > "XVIII Century Collection".
    >
    > Alex,
    >
    > You mentioned that you would like to subtract out the errors in Cook's
    > observations that came from the almanac data. You can get the nautical
    > almanacs for those years from that same archive. Since Purdue subscribes,
    > it shouldn't be a problem, but I can mail them to you (or anyone else who
    > doesn't have a subscription to that service) if you like.
    >
    > Ken Muldrew.
    >
    > >
    
    
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