tommybraybrook's Comments theory perhaps, but in reality it stays the same, inasmuch as such a small amount of displacement / weight change would be impossible to measure given the volume and surface area of a swimming pool...
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...everbody is right - it's a plumb bob, but why such a name?
because in wayback time they were made of lead - known as "plumbum" back then - hence the atomic symbol for lead - Pb - howsaboutthtat!
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...great podcast on just this thing from these ladies a month or so ago...
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if you like the tuvan then see this film...Genghis Blues...

blind blues guy from san francisco goes to tuvan throat singing championships

duet on the youtube...
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the mahal is spectacular...and can make you realize what civilizations were capable of before north america was what it is....but nearby Fatehpur Sikri is also amazing...indeed the whole should go!

my pics are here:

and here:
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Profile for tommybraybrook

  • Member Since 2012/08/04



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