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    Re: Douglas-Appleyard Arcless Sextant - Help
    From: David Pike
    Date: 2019 Mar 31, 13:07 -0700

    John

    I’m assuming that you’ve Googled this and that you got your photo from the Douglas Family Website, but in case you missed them these are the links I found:

    http://www.douglashistory.co.uk/history/ships/sextant.htm

    https://www.iwm.org.uk/collections/item/object/30000006

    https://bid.tennants.co.uk/m/lot-details/index/catalog/621/lot/333365

    https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19930091264.pdf

    I couldn't seem to find anything on UK patents that didn't involve sending money

    DaveP

       
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