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    Re: Dip observations by Carnegie Institution
    From: Paul Hirose
    Date: 2013 Jun 14, 11:39 -0700

    I sent the following in a private email a few weeks ago. May be
    interesting if you can read scientific German.
    
    [BEGIN]
    
    In the process, I learned Google Books has a little section called
    "Horizon, Dip of". A couple of the listings name author Karl Koss. Now,
    an interesting thing is that Koss is mentioned in the Peters article. He
    says Koss observed on a point of land with a theodolite. Intrigued?
    Unfortunately, both links are dead ends - "no eBook available":
    
    
    http://www.google.com/search?tbo=p&tbm=bks&q=subject:%22Horizon,+Dip+of%22&source=gbs_ge_summary_r&gbv=1&sei=oF-7Ub-tF-3G0gGeoIDoDA
    
    However, I got to Koss - in Google Books! - via another route. (Not the
    first time Google told me they didn't have a book, when they did.) It's
    in German, but I think it's the right article. It says, "mit einem
    astronomischen Universale," which I think means a "with a universal
    instrument," a la the modern Kern DKM3A theodolite. In addition, the
    time span - November 1898 to October 1899 - is consistent with the
    remark by Peters that Koss's observations "extend over the course of a
    year".
    
    http://books.google.com/books?id=qWI2AQAAMAAJ&jtp=429
    
    The article by Meyer in the 1906 "Annalen der Hydrographie," footnoted
    by Peters, is also in Google Books:
    
    http://books.google.com/books?id=Y7kOAQAAIAAJ&jtp=438
    
    --
    
    
    

       
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