What Material Is This?

  1. What is the name of this parts and what is the material is used to make this part?


    Thank you
  2. jcsd
  3. berkeman

    Staff: Mentor

    Do you know where the picture was taken? It could be several things...
  4. looks like stone to me --- some kind of grain crusher perhaps
  5. berkeman

    Staff: Mentor

    That was my thought too, but it seems strange that it would have a serial number and a year "2004" engraved on it if it's just a grain crusher. Although I suppose it could be part of a modern industrial machine, and they need to track the datecode to know when to swap it out as worn out...

    That's the trouble with OPs like this. We end up having to guess at so much...
  6. SteamKing

    SteamKing 10,951
    Staff Emeritus
    Science Advisor
    Homework Helper

    Especially since the image is titled 'stone-grinder.jpg'.

    It could be cataloged as part of an archeological collection.
  7. berkeman

    Staff: Mentor

    Occam's Razor! :tongue2:
  8. Danger

    Danger 9,663
    Gold Member

    That date appears to be just a grease pencil or chalk marking. Perhaps the day that it was found?
  9. chemisttree

    chemisttree 3,717
    Science Advisor
    Homework Helper
    Gold Member

    It is a hand mill used to prepare dough or batter directly from grain. It is (was) used in India and there is known as a Ragado. Made of stone, probably a fine-grained lavastone.

    "The Ragado (Konkani term) is a traditional Stone Grinder used to prepare
    batter typically used for dosas, idlis and other Indian cooking needs. Its a dying art that will go away with this current generation."
    Youtube demonstration
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