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    Re: sight reduction tables
    From: Lu Abel
    Date: 2007 Sep 30, 22:25 -0700

    Gary J. LaPook wrote:
    > Gary writes:
    >
    > Volumes 2 and 3 of  H.O. 249  are not changed but are permanent tables
    > like H.O.214 and H.O 229. You need a current copy of the almanac to use
    > any of these tables. Only volume 1 is reissued every 5 years.
    
    Sorry, my forgetfulness (it's been a long time since I used 249).
    
    Lu
    
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