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    Re: Navigation and whaling
    From: Frank Reed
    Date: 2009 Feb 5, 23:23 -0800

    George H, you wrote
    "From the vast number that once existed, a museum collects the documents that 
    have survived and can be preserved, the well-bound official logbooks with 
    well-organised information that can be read and studied. Where, now, are the 
    dog-eared scraps of paper on which the hardly-literate skippers of 
    parish-rigged whalers kept their scanty records?"
    
    You might be surprised by the "dog-eared" documents that have been preserved 
    in New England. Hundreds and hundreds of battered old logbooks exist in 
    museums. Don't forget that these were significant legal and commercial 
    documents so they were stored even before they became historical artifacts. 
    Few whaling captains were owners. Most were working for small corporations 
    and partnerships of investors. Those backers expected a reasonably well-kept 
    logbook. Of course, there is always bias in preservation. In particular, 
    logbooks that have interesting illustrations and "whale stamps" are much more 
    likely to be preserved today. Even so, the logbook from the Morgan's maiden 
    voyage (which I have described elsewhere) was preserved despite the fact that 
    it's really dull as dust. And there's a notebook of navigational calculations 
    from a much later voyage that would qualify as a collection of scrap paper.
    
    And you wrote:
    "They've gone into the bin, over the years, not into a museum. So it's now 
    impossible to judge, from what has been preserved in museums, what was the 
    general standard of practice at sea. Frank doesn't know it, and neither do I. 
    We just have to keep an open mind."
    
    Oh come on now! The fact that we have imperfect evidence does not mean that we 
    should ignore huge amounts of evidence. There are so many whaling logbooks 
    that it's likely that no single person has ever read them all, but they are 
    loaded with solid evidence of the history of whaling. Yes, you do need to 
    bear in mind the biases introduced by selective preservation. For example, 
    logbooks from small coastal whaling voyages are rare, but that's obvious 
    enough. Logbooks from long-distance whaling voyages exist in large numbers 
    and they provide tremendous "primary source" evidence. That evidence beats 
    speculation any day.
    
    You also wrote:
    "Yes, of course. Who could deny that? There are many such concentrations of 
    commercially-valuable whales, such as the Right (Bowhead) whales to be found 
    in Arctic , and Blue Whales in the Antarctic, and many others between. Which 
    was exactly why I restricted my comments to Sperm whales, which can be found 
    literally anywhere, their distribution being so diffuse that a vessel hunting 
    Sperm whales can and will simply wander over hundreds of thousands of square 
    miles of open ocean."
    
    In fact, in its career the Morgan mostly was engaged in hunting sperm whales. 
    Although their concentrations are more diffuse than some other species and 
    although they are found globally, sperm whales are still found more 
    frequently in certain areas. If you look at the map of the maiden voyage of 
    the Morgan which I posted recently, you can clearly see what grounds they 
    hunted on that voyage. There's the huge equatorial belt to the west of the 
    Galapagos, and there's also the whaling ground in the Gulf of Alaska. In 
    other years, they would visit different areas. It's true that once the 
    whalers were "on the grounds" they could wander about aimlessly over as much 
    as "hundreds of thousands of square miles" but they made long, deliberate 
    journeys involving some of the best navigational practices of the day to get 
    there and get back. And even on the whaling grounds, the vessel's position 
    was recorded regularly when weather permitted though clearly not as regularly 
    as on the voyage to the grounds. Again, these logbooks were legal records of 
    a commercial expedition. Navigating and recording the vessel's position was 
    an important daily task.
    
    -FER
    
    
    
    
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