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  1. #1
    Registered user. vanjuxa's Avatar
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    Default Watchmakers or Jewellery tools - unknown

    Hello my friends

    Who knows more about current tools - I cant understand how to use it as it's a vintage tools

    some pictures
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  2. #2
    Registered User gmorse's Avatar
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    Default Re: Watchmakers or Jewellery tools - unknown

    Hi vanjuxa,

    The first two pictures look like a small arc welding machine, and the last two are of a refractometer, which is used for measuring refractive index of various materials, including gems with the aid of a liquid medium, and also salts in solution, (I've come across them in food processing factories, used for checking sugars in jam making lines), and nothing to do with horology, but useful in jewellery. There's mention of a Rayner instrument in this link.

    Regards,

    Graham

    "Ut tensio, sic vis" - Robert Hooke

  3. #3
    Registered user. vanjuxa's Avatar
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    Default Re: Watchmakers or Jewellery tools - unknown (By: gmorse)

    Thank you gmorse

  4. #4

    Default Re: Watchmakers or Jewellery tools - unknown (By: vanjuxa)

    Dang, Graham, nice ID'ing! That's interesting about the refractive-index device. Even having been in the optical business for a few years, I never saw that one. Maybe they were hidden in the recesses of the lab somewhere?

  5. #5
    Registered User gmorse's Avatar
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    Default Re: Watchmakers or Jewellery tools - unknown (By: MrRoundel)

    Hi MrRoundel,

    In my youth I spent quite a lot of each working day squinting down one of these things in a food factory quality control lab. We used them to check the sugar content of jams and marmalades.

    Regards,

    Graham

    "Ut tensio, sic vis" - Robert Hooke

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