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    Re: Running down an Astro-Position Line
    From: David Pike
    Date: 2021 Mar 14, 11:51 -0700

    Adrian F you wrote: As requested by David Pike on 13 March, attached are further pages from part 4 of The Observer's Book on Astro-Navigation by Francis Chichester, published in 1942.

    Hello Adrian

    I hope you’re well.  That’s terrific.  It’s exactly what I was looking for.  I hadn’t expected the answer to be so close to home.  I’ve tried looking for Book 4 online and only been able to find Books 1-3.  It’s probably a good thing, because Books 1-3 are being advertised at typically £25 each.  When I bought all three online about 15 years ago I paid about £5 for the lot.  I must remember to leave a ‘Don’t chuck out’ note inside them just in case.  DaveP

       
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