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    200-year-old Nautical Almanacs online
    From: Frank Reed CT
    Date: 2007 Mar 07, 00:23 -0800

    In the dark recesses of google books, there are a number of copies of
    Nautical Almanacs from the late 18th century and the first half of the
    19th century. So far I have found complete copies of these years:
    1793, 1797, 1798, 1801 (already had these thanks to that "free trial"
    thing last spring), and 1818/1819, 1828, 1829, 1830, 1831, 1835, 1836,
    1837, 1839, 1847, 1850. There are probably more. Note that 1818 and
    1819 are combined in one pdf file probably because they were bound
    together, which seems to have been popular around this time period.
    These books were somewhat hard to find using the search engine for
    google books. I think their digitization project may have jumped well
    ahead of their search indexing capabilities. If you want to try
    finding these yourself, try googling various combinations of the words
    in the full title: The Nautical Almanac and Astronomical Ephemeris,
    with and without date limits. Please let me know if you locate any
    other years.
    For those on the list who haven't explored old editions of the
    Nautical Almanac, collecting old almanacs might sound like a waste of
    time; after all, modern software can tell us where the Moon was in
    1818 much more accurately and easily than a contemporary almanac. But
    the prefaces and especially the appendixes back then contained
    interesting descriptive and explanatory information, as well as
    complete articles on various astronomical and navigational topics.
    Note that there is also a digitized copy of one early 19th century
    Nautical Almanac on the Mystic Seaport Library web site at
    schooner.mysticseaport.org. Because they are right now in the process
    of  moving the library's collection across the street (to the
    Collections Research Center which some of you visited with us back in
    June), the library's services, including their web presence, have been
    offline occasionally.
    And finally, if you want to compare old almanac data with calculations
    based on modern ephemeris data, just a reminder that there is a
    complete online Nautical Almanac covering the period from 1750 through
    the present on my web site at www.HistoricalAtlas.com/lunars .
    Mac OSX edition of Centennia Historical Atlas almost done! (so I
    should be back to active posting next week...)
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