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    Re: 300th anniversary
    From: Frank Reed
    Date: 2007 Oct 23, 22:12 -0400

    Nicolas, you wrote:
    "Well, one significant aspect is that thanks to those shipwrecks
    instruments only known from literature every now and then literally
    emerge from the seabed. Good examples of this are the wreck of the
    Kronan (cross-staff with spoon shaped vanes) and the Kennemerland (part
    of a hoekboog, or double triangle as it is called in English).
    Instruments from shipwrecks also show early developments in them as
    normally those instruments would soon be discarded. The number of
    surviving instruments from early periods are still increasing. If you
    check Stimson's work on the Mariner's Astrolabe you will see that thanks
    to marine archaeology the number of surviving astrolabes doubled over time."
    Fascinating. Thanks. One item that surprised me about the wreck site of
    Shovell's flagship, the Association, was that several watch faces were
    recovered. There's a photo of one of these in "Admiral Shovell's Treasure
    and the Shipwrecks in the Isles of Scilly" by McBride and Larn. This is a
    thoroughly researched book and well-documented, given that the authors are
    not professional historians. I was aware that hand-held watches were common
    enough by the mid-18th century, but I was surprised to learn that they were
    already in use in 1707 (admittedly aboard a very well-equipped vessel).
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