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    Re: Wind Velocity from Three Drifts
    From: Gary LaPook
    Date: 2021 Mar 11, 12:55 -0800

    Hey, I know you, you are that "keen." Make a flat Bygrave and do it the "Chichester way."

    https://sites.google.com/site/fredienoonan/other-flight-navigation-information/modern-bygrave-slide-rule

       
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