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    Re: Graphite grease for sextant?
    From: Jackson McDonald
    Date: 2014 Nov 7, 13:29 -0500
    Celestaire sells a very light sextant oil, which I use.  I don't know its chemical composition.  

    I read somewhere that mariners used very light sperm whale oil to lubricate sextants in the old days.  To be verified. 



    On Nov 7, 2014, at 12:22, "Bob Crawley" <NoReply_Crawley@fer3.com> wrote:

    Bruce Baur's book, I think, recommended Jojoba oil as a replacement for whale oil. I used some and it seems to work OK. Graphite might get a bit messy.

    Regards

    BobC

       
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