Welcome to the NavList Message Boards.

NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Compose Your Message

Message:αβγ
Message:abc
Add Images & Files
    Name or NavList Code:
    Email:
       
    Reply
    Re: Old charts and traditional navigation methods
    From: Bill B
    Date: 2014 Aug 13, 02:54 -0400

    On 8/12/2014 4:56 PM, Jackson McDonald wrote:
    > I have attached three photos of a French nautical chart dated 1771.
    >
    > Like many old charts, this one contains numerous diagonal lines in
    > addition to lines of longitude and latitude.
    >
    > How were these diagonal lines used?  How did they help a navigator plot
    > his ship's course?
    
    LORAN D- ? :-)
    
    

       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Get a NavList ID Code

    Name:
    (please, no nicknames or handles)
    Email:
    Do you want to receive all group messages by email?
    Yes No

    A NavList ID Code guarantees your identity in NavList posts and allows faster posting of messages.

    Retrieve a NavList ID Code

    Enter the email address associated with your NavList messages. Your NavList code will be emailed to you immediately.
    Email:

    Email Settings

    NavList ID Code:

    Custom Index

    Subject:
    Author:
    Start date: (yyyymm dd)
    End date: (yyyymm dd)

    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site