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    Re: Cylindrical Slide Rules
    From: Ronald van Riet
    Date: 2009 Feb 13, 09:42 -0800

    small correction: the HR1 was the German version of the Bygrave, the
    HR2 as depicted in the link, was a larger variant, specifically
    designed for maritime use, whereas the Bygrave and HR1 were primarily
    meant for aircraft use.
    
    Please read my article as pointed to by Gary LaPook.
    
    Ronald
    
    On Feb 11, 12:17�pm,  wrote:
    > The German cylindrical slide rule similar to the Bygrave was the 
    HR2.http://www.museumofworldwarii.com/Images2005/03Newcomputerlge.gif
    >
    > The website ishttp://www.museumofworldwarii.com/index.htm
    >
    > -----------------------------------------------
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