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    From: Henry Halboth
    Date: 2008 Jul 10, 21:15 -0700

    Hi all,
    
    Further to my 5753 on the subject, and refering specifically to comments made 
    regarding sextants, it is to be noted with interest that two (2) c. 1850s 
    instruments, having bone arcs and bone verniers, were recently offered for 
    sale on eBay and commanded, in my opinion, high prices; one of these sextants 
    apparently could be read to only 30 seconds of arc, although it otherwise 
    appeared in pretty good shape.
    
    George's comments in 5764, as well as his change in subject are both 
    appreciated, however, it was not my intent to enter into an extended 
    discussion on Wooden Sextants; the greatest number of such instruments were 
    probably made in England by early manufacturers of record - two being noted 
    in my post and, at least, some are available for inspection in the museums of 
    that country, as well as being referenced in navigational texts, including as 
    late as Norie's 1839 edition. A search of the internet will provide many 
    refernces and pictures, although one has to spend much time and effort in the 
    search.
    
    Regards,
    
    Henry
    
    
    
    
    
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