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    The HIDDEN Screws of PRECISION
    From: Igor S.
    Date: 2022 Oct 27, 15:53 -0700

    Here I would like to share some interesting video from youtube: https://www.youtube.com/watch?v=isVQMHmzHNo 

    There was described a Ramsden machine which was used to accurately make (divide) dials on instruments in particularly sextant which make it more accurate and much cheaper.

    kind regards,

    Igor   

       
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