Don Casey - Dragged Aboard Storm Tactics Handbook:
Modern Methods of Heaving-To for Survival in Extreme Conditions
by Lin Pardey and Larry Pardey


      

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Re: Backyard winter sextant observatory?

From: Bill (no email)
Date: Wed Apr 20 2005 - 20:18:59 EDT

  • Next message: Alexandre Eremenko: "Re: Instumental error?"

    > Offlist someone sent me a URL for a local bubble supplier, but the
    > refraction issue is too daunting. It would vary too much over its surface,
    > unless it was very expensive and optically optimized.

    Jim

    I would imagine unless it is well ventilated the water vapor from your
    breath might ice that little puppy over in a relatively short period of
    time.

    Bill


  • Next message: Alexandre Eremenko: "Re: Instumental error?"



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