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    Re: Traditional navigation by slide rule
    From: Stan K
    Date: 2016 Jan 11, 16:16 -0500
    This site seems to confirm what Alan said, that Pickett started with magnesium then went to aluminum.

    http://sliderulemuseum.com/Pickett.htm

    Stan

    -----Original Message-----
    From: Gary LaPook <NoReply_LaPook@fer3.com>
    To: slk1000 <slk1000---.com>
    Sent: Mon, Jan 11, 2016 3:47 pm
    Subject: [NavList] Re: Traditional navigation by slide rule

    I believe that they are aluminum see:
    Gl
       
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