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    Re: Bubble levels and sextant periscope
    From: Frank Atkins
    Date: 2015 Jan 9, 00:43 -0800

    Showing you age there David, and experience.

    I am only an amateur when it comes to this nav business but I can recall doing some basic checks on sextants and drift sights on Super Constellations way back in the late 50s, I was but a mere apprentice at the time.

    I have been tempted to purchase an aviation  bubble sextant but find I get into enough trouble with a standard sextant.

    Interesting posts all the same.

    Frank 33.52 S 121.53 E

     

       
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