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    Sextant or Range-finder
    From: David Pike
    Date: 2016 Mar 12, 01:17 -0800

    Has anyone any idea what this is and how it works? http://www.ebay.com/itm/WWI-1914-Air-Sextant-Mark-II-Waymouth-Cooke/222041411459   Also, if it’s measuring waterline to mast-top angle to get range, why not use it on its side and use length?  It would be more accurate.  Oh! I suppose you’d need to be dead abeam the target.  DaveP

       
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