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    Re: H.O. 229/249: publication dates
    From: Gary LaPook
    Date: 2011 Mar 24, 11:44 -0700
    According to Bowditch (1962) a preliminary edition of H.O. 249 Volume 1 was published in 1947 and the altitudes included refraction for a height of eye of 10,000 feet. This was modified and the First Edition was published in 1951 for epoch 1955. Volumes 2 and 3 were published in 1952.

    I couldn't find a reference for when H.O. 229 was published. I look at my set and the earliest volume was published in 1970 and the latest one in my set was 1980. I was surprised that I didn't find information about the publication date in my 1977 Bowditch. I also found the receipt for the set in one of the books. I bought the set on February 22, 1980 and they cost $9.40 each.


    --- On Thu, 3/24/11, Greg R. <gregr_ingest@yahoo.com> wrote:

    From: Greg R. <gregr_ingest@yahoo.com>
    Subject: [NavList] Re: H.O. 229/249: publication dates
    To: "NavList" <NavList@fer3.com>
    Date: Thursday, March 24, 2011, 10:03 AM

    And according to Gary's website, "H.O 249 was first published in 1951".



    On 3/24/2011 8:33:45 AM, Frank Reed (frankreed@historicalatlas.com) wrote:

    > When were these first published? Thanks.
    > -FER
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