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    Re: 300th anniversary
    From: Nicol�s de Hilster
    Date: 2007 Oct 23, 12:58 +0200

    frankreed{at}HistoricalAtlas.net wrote:
    > That should give us some time to 
    > discuss again the significance of the shipwrecks for the history of 
    > navigation. 
    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.
    So from an instrument researcher's point of view it is "hooray! another 
    wreck!" :-)
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