Welcome to the NavList Message Boards.


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

Compose Your Message

Add Images & Files
    Re: Another cylindrical bygrave
    From: Hein Bodahl
    Date: 2010 Feb 24, 13:32 +0100

    On 22.02.2010 21:23, Douglas Denny wrote:
    > An idea:-
    > It would be interesting for someone here who has access to all the different 
    scales and/or programmes to produce them for the Bygrave slide rule,  to have 
    them made available in one place.
    > If the source code is also made available, there may be programmers 
    worldwide who can improve the scales appearance or ease of use (colours, 
    pitch adjustment, length of scale adjustment etc) and who can then re-issue 
    their version for further improvement in the same way that Linux was made 
    available for development.
    > My friend Peter Martinez who produced a simple form of the scale but who is 
    now otherwise engaged in other research and therefore has no time to develop 
    a better version might be persuaded to become involved again if source code 
    was available to 'play with'. He programmes in Delphi.  I have some limited 
    experience of 'C'.
    Some of the stuff I have gathered is available from
    Nothing new there, and not much in the programs directory. But I plan to
     fill it up in time.
    It was really intended for private use so I haven't gotten the indexing
    to work properly. You have to expand the sitemap to find files or you
    will get a 403 error.

    Browse Files

    Drop Files


    What is NavList?

    Join NavList

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

    You can also join by posting. Your first on-topic post automatically makes you a member.

    Posting Code

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

    Email Settings

    Posting Code:

    Custom Index

    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