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Thread: Rounding a rock - GIF

  1. Nov 7, 2018, 05:54 PM #11
    PJs
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    That's where my Aggie went. Beautiful when polished! Don't give Tarjey any ideas, Jon.
    ‘‘Always do right. This will gratify some people and astonish the rest.’’
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  2. Nov 8, 2018, 07:26 AM #12
    Karl_H
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    Quote Originally Posted by Bony View Post
    It's fascinating to watch, and will keep kids amused for what seems like ages. I was certainly intrigued for a while.
    Watching vids about it is keeping us old farts amused!
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    PJs (Nov 8, 2018)
  4. Mar 1, 2022, 01:22 AM #13
    fizzloid
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    They have one of those Kugel fountains in the town centre of Neustadt in Hostein Germany, I have seen it many times, the ball is about 1.2metres in diameter and 'floats' on a surface of water. It weighs several tons but can be rotated with little effort by hand, even the wind will get it spinning slowly.
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  5. Dec 14, 2024, 03:45 PM #14
    carl blum
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    Do the math: An 18" diameter of water at 10 PSI will support 2500 pounds.

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