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    Re: First South Atlantic aerial crossing by sextant!
    From: Gary LaPook
    Date: 2025 Aug 3, 02:40 -0700

    Get this book.

    I had seen a Coutinho sextant at the Naval Aviation Museum in Belem which also has his airplane. Last month I was in Chichester England, staying with Douglas Denny. He has a large colection and I got to hold one of these sextants for the first time. Kind of  a coincidence since Sir Francis Chichester has also been given credit for developing the single line of position landfall proceedure which he used in 1931 to fly his single engined Gypsy Moth accross the Tasman sea.

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