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    Re: Yellow page in NA
    From: David Iwancio
    Date: 2020 Jan 14, 14:33 -0800

    Early editions of HO 229 came with a transparent insert ("diagram C") used for interpolating LHA and latitude graphically.  Later reprints removed it and the related diagrams A & B from volumes 1-4, keeping them only for the volumes covering high latitudes.  There's mention of them (and their removal) in the preface of the newer editions, on page III.

       
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