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    Arg 1 Ww 11 U Boat Navigation Device Ebay Item Number: 370193239339
    From: UNK
    Date: 2009 May 22, 01:48 -0700

    Hi 
    
    does anyone know what this device is and how it works?  Not looking to buy it, just understand it.
    
    cheers
    
    Roger
    
    the ebay blurb is below:
    
    Here's a rare 100% genuine WWII German ARG-1 (Astronomisches Rechengerat 1) 
    celestial navigation instrument by Carl Zeiss Jena. This late 1940's war 
    issue was first used by the Luftwaffe, then after naval trials, adopted for 
    use in German U-boats. This instrument is part of a collection whose history 
    suggests it was removed from the long-range U-boat type IXD Ex-German U-873 
    that had surrendered to US Naval Forces sometime in 1945. The celestial 
    computer is in excellent used condition and is 100% original. Its body is of 
    Bakelite construction and its original electrical cord is attached. It has an 
    illuminated glass screen and there are four original bulbs located in a small 
    storage compartment within the original storage box (see picture). The 
    microscope eyepiece with adjustable cross hair is in great shape as pictured. 
    The box is sturdy in all respects however its age wear is apparent in the 
    pictures provided. There are two original paper labels affixed to the inside 
    of the box as shown. Please note the small storage compartment that houses 
    the four bulbs as mentioned earlier. There is no manual or operating 
    instructions in this sale. The ARG-1 instrument has not been tested. Please 
    review the pictures provided for condition.  
    -------------------------------------------------
    [Sent from archive by: rkputty-AT-westnet.com.au]
    
    
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