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    Re: H.O. 229/249: publication dates
    From: Greg R_
    Date: 2011 Mar 24, 12:28 -0700

    On 3/24/2011 11:45:37 AM, Frank Reed (frankreed{at}historicalatlas.com) wrote:
    
    > My guess would be that the 'milestone' referred to here is computer
    > generation and typesetting of a newer edition of H.O. 229.
    
    Possibly, though the way it's written I took it to mean that this was the
    first time that the (former?) publication called "Sight Reduction Tables for
    Marine Navigation" had been released as H.O. 249.
    
    > I think the actual first date of publication of the tables was around
    > 1970, but I don't know. Certainly they were widely known in the
    > mid-1970s.
    
    I was thinking that 229 went back even further (to maybe shortly after
    WWII?), though it's been long enough since I've seen a reference to the
    initial publication date that I'm not really sure.
    
    --
    GregR
    
    
    
    On 3/24/2011 11:45:37 AM, Frank Reed (frankreed{at}historicalatlas.com) wrote:
    
    > Greg Re., you wrote:
    > "According to the Mystic Seaport website (Milestones in the History of
    > Navigation): "1981
    > Sight Reduction Tables for Marine Navigation is published, H.O. 229, as
    > six volumes calculated and typeset by computer" "
    >
    > That list was compiled in part by Don Treworgy, who passed away in 2009,
    > so I cannot ask him. My guess would be that the 'milestone' referred to
    > here is computer generation and typesetting of a newer edition of H.O.
    > 229.
    > I think the actual first date of publication of the tables was around
    > 1970,
    > but I don't know. Certainly they were widely known in the mid-1970s.
    >
    > It does rather make sense that 229 would have been published BEFORE 249,
    > right? Perhaps they reserved the number for the project earlier, and it
    > took much longer than expected to bring it to market.
    >
    > -FER
    >
    >
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