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Re: New Soviet era sextant SNO-T
From: Bruce Cutting
Date: 2020 Sep 15, 14:06 -0600
From: Bruce Cutting
Date: 2020 Sep 15, 14:06 -0600
Sounds reasonable - Can you move the arc form minimum (0 degrees) the the maximum (120 degrees as I remember) - If not it needs some attension. You may be interested in Bill Morris's book on sextants - It pays particular attension to the SNO-T Cheers! Quoting Markku Kalima: >> Did it come with "tools" and spare mirror - "new" ones generally do > > Yes. > > >> Which tools were included (picture would be informative) > > There are all the tools that have came with th sextant. Nothing missing > > >> Try moving the index arc - sole of the unused SNO-Ts have grease set > up to the point where the arc can't be released. > > I don't quite understand what do you mean, but the index arm "jams" > around 60 degrees, before you move it. > > >> Take a look at the lens in the low power telescope to see if there is > any "crazing" in the optics - most will show some - it is not a big > deal in terms of optical quality and it can be (reasonably) easily > fixed. > > I don't know what do you mean here. Both the optics looks very fine > both the outlook and the lenses. > > >> Does it have a vernier scale on the micrometer - very few did - its > not a big deal if it does not, but it is a cool feature to have. > > No, but there is a magnifier glass to help the reading > > > [plain text auto-generated] > ---------------------------------------------------------------- > NavList message boards and member settings: http://fer3.com/NavList > Members may optionally receive posts by email. > To cancel email delivery, send a message to NoMail[at]fer3.com > ---------------------------------------------------------------- > ---------------------------------------------------------------- > > > Attached File: http://fer3.com/arc/imgx/P9150707.JPG > Attached File: http://fer3.com/arc/imgx/P9150708.JPG > > > : > http://fer3.com/arc/m2.aspx/New-Soviet-era-sextant-SNOT-Kalima-sep-2020-g48593