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    Re: Accuracy of Bygrave
    From: Gary LaPook
    Date: 2009 Jul 6, 12:28 -0700

    It's interesting that Wimperis describes the Bygrave slide rule in
    this book which was published in February, 1920 while Bygrave's patent
    application is dated March 29, 1920, a month later.
    
    gl
    
    On Jul 6, 12:05�am, "Gary J. LaPook"  wrote:
    > Attached is one more reference work that mentions the accuracy of the
    > Bygrave.
    >
    > The flat Bygrave is just as accurate as the cylindrical one.
    >
    > gl
    >
    > glap...{at}PACBELL.NET wrote:
    > > Attached are two more reference works mentioning the accuracy of the Bygrave.
    >
    > > Look at page 795 of NACA report 131
    >
    > > gl
    > > Linked File:http://www.fer3.com/arc/imgx/naca-report-131.pdf
    >
    >
    >
    > �Wimperis-Bygrave.pdf
    > 306KViewDownload
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