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    Re: Traditional navigation by slide rule
    From: Francis Upchurch
    Date: 2016 Jan 12, 19:56 -0800

    re trig slide rule marked in degrees and minutes.

    Just for information, the Fuller 2 cylindrical and Bygraves are so marked. Makes life very easy for certain calculations.In many ways,especially my adapted mini version of the Fuller with added cosines, I find them the "almost"perfect slide rules for celnav and with cheap, easily obtained plasic tubes and pipes, easy to make with only craft skills. 

    Details re builds on request.

    Francis

       
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