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    Re: Historical tides
    From: Alexandre Eremenko
    Date: 2019 Feb 17, 23:10 +0000

    Thanks.
    I actually have the book, but read only the cell nav chapters,
    and somehow forgot that is also contains all other things related to navigation:-)
    
    Alex.
    ________________________________________
    From: NavList@fer3.com [NavList@fer3.com] on behalf of Bob Crawley [NoReply_Crawley@fer3.com]
    Sent: Sunday, February 17, 2019 9:01 AM
    To: eremenko@math.purdue.edu
    Subject: [NavList] Re: Historical tides
    
    I recommend Lecky's Wrinkles in practical 
    navigation 
    - S.T.S.Lecky available online. My 1917 edition discusses the "establishment" 
    of ports. From this and a knowledge of the phase of the Moon it is possible 
    to calculate the tidal prediction, albeit not to today's precision. Either in 
    that edition or an earlier one there is discussion of the "Edact" which is 
    required to calculate both the date of Easter and the Moon phase - I found it 
    hard to get right. The book is a delightful read and one of the many 
    treasures I've discovered through navlist.
    
    Have fun
    
    Bob C
    
    
    
    

       
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