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    Re: Russian Sextant
    From: Glendon
    Date: 2003 Oct 7, 09:05 +1000
    Len HTML'd

    ----- Original Message -----
    From: LenCfly{at}AOL.COM
    To: NAVIGATION-L{at}LISTSERV.WEBKAHUNA.COM
    Sent: Sunday, October 05, 2003 1:05 PM
    Subject: Russian Sextant


    Hi ,
    I purchased a new SNOT Russian Sextant and it seems well made with an extra mirror and 2 telescopes, and a couple of adjusting tools and an instruction booklet in Russian, Can anyone on the list help me with either a translation or a place to get a translation or help in the use of the two adjusting tools.
    Len Chimienti
    1/2 of one of the adjusting tools adjusts the mirrors
     
     
     
    In reply:
     
    I have one of these sextants, 1988 manufacture. I don't have a manual and would be interested in getting a copy of one. I have a Russian friend whom I may be able to lean on to help me with a translation. To do that you would need to email me a good scan of your manual....or fax might be clearer....or you might be able to locate a Russian speaking OCR. Let me know if you are interested, and we can explore options.
     
    With regard to the tools, I think several of them are more for repair than adjustment...I haven't needed all of them for normal adjustments.
     
    With regard to Len's post, Doug Royer also HTML'd
     
    "Len,I dont know if anyone else on list helped but here goes.The SNOT,CHO series of sextants were Freiburg sextant clones.I suggest you go to the Freiburg site or find a Freiburg sextant owners manuel and that should tell you what you need to work on your SNOT sextant"
     
    I think Doug means Freiberger, as at
     
    http://www.fpm.de/en/
     
    I have seen it mentioned elsewhere that Russian sextants are a copy of Freiberger.....I am not so sure that is not "anti-Russian" urban legend. When the Red Army plundered the Freiberger factory on May 8 1945 they were after more than just sextants, there was all the technology (optics) associated with the wide range of Freiberger surveying and measuring instruments.
     
    Nevertheless, the SNO-T bears some physical resemblance to the Freiberger drum sextant, particularily with regard to the enclosed micrometer and clamp setup. The SNO-T came into production in the very late 70's.....I don't know what the commencement date on the Freiberger drum sextant is. The SNO and SNO-M predecessors to the SNO-T have very different construction, possibly closer to a Plath of their day....I dont know how far back the SNO dates to, but Russian sextants have been around for a long while.
     
    Earlier, Courtney Thomas wrote:
    "How accurate a fix can be obtained ?

    Can it be safely used for serious navigation ?"
     
    I presume Courtney is talking about a SNO-T. Well, I am quite happy with mine, the optics are wonderful, I haven't discerned any measurable instrument error due to poor manufacture ( but as a novice, I am not in the league of gentlemen who can detect arc errors of 20"), it is nice to use and is my sextant of choice....my others being of British manufacture with pokey, squinty optics.
     
    Lee Martin


       
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