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    Re: Cylindrical Slide Rule tube poll
    From: Wolfgang Hasper
    Date: 2010 Jan 30, 14:07 +0100

    Additionally 80 years of thermal expansion and
    contraction were at work.?
    
    Wolfgang
    
    
    Am Samstag, 30. Januar 2010 08:54 schrieb
    glapook@pacbell.net:
    > I suspect that the paper scale has simply shrunk
    > over time, it is  probably more than eighty years
    > old.
    >
    > gl
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