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    Re: Advice on Box Sextant
    From: David Pike
    Date: 2016 Apr 3, 16:44 -0700

    I suppose if all else fails, read the instructions.  Upon reading page 8 of my 1941 edition of Part Three, I see in a Publisher’s Note that Chapters XXV to XXXIII will be published when the author has written them.  It looks like poor old Plt Off Whapham only had Parts One to Three, so I’m on the lookout for Part Four.  The trouble is prices seem to have rocketed compared to the £2-£3 I paid for three parts about ten years ago.  DaveP

    What do I think? What do I think?  I think I will quote the great man himself.  "The sun was then nearly on the beam and two observations with a marine-type box sextant gave position lines CD at 01.55 G.M.T and EF at 02.10 G.M.T."  Page 32 The Obseeror's book on Astro-Navigation part four.  gl

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