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    Re: New Soviet era sextant SNO-T
    From: Bruce Cutting
    Date: 2020 Sep 19, 10:58 -0600

    That is exactly what I was asking about.  You will probably need to
    clean the micrometer movement.  Get a copy of "The Nautical Sextant" -
    It goes over the maintenance of the SNO-T quite thoroughly.
    Quoting Markku Kalima :
    >> does it release to move easily and consistently or does it
    >> occasionally hang. If it doesn't hang, you are fine.
    > I'm not quite sure what do you mean by hanging? The index arm moves
    > freely and the force needed to move it is quite constant. Only in
    > the position approx. 70 degrees, where it has been kept for long
    > time in the box, there is a slight jamming when releasing the
    > arm/drum, but it goes away after moving it a bit. This might be due
    > to old grease or something like that.
    > [plain text auto-generated]
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