Byrd Wrote:
-------------------------------------------------------
> Mark Heaton Wrote:
> -------------------------------------------------------
> > Hi Pistol,
> >
> > Interestingly, a stone ball was discovered in
> one
> > of the QC shafts which inevitably has a mass
> equal
> > to the volume of a sphere of radius 'r' (with
> 'r'
> > calculated for a sphere with the same density
> as
> > the ball so as to have the same volume).
>
> Why would this be significant to the Egyptians?
>
> > The mass of the ball was published in Nature
> > shortly after discovery (and the approximate
> > diameter), and it seemed to me that the radius
> > might be significant.
>
> Ah -- the Dixon relics, I presume? That's a
> granite pounder and it's "round-ish"... not round.
>
> > It would be necessary to determine the density
> of
> > the ball, and fortunately the igneous stone
> ball
> > is impervious, so its volume could be
> determined
> > by immersion in water, from which the volume
> and
> > density could be determined. The volume could
> then
> > be used to calculate the radius of a
> hypothetical
> > sphere, and the density would help classify the
> > type of rock.
>
> Not sure why you'd do that. It's dolorite. And
> here it is in the British Museum catalog:
> [www.britishmuseum.org]
>
> Diameter: Diameter: 6.50 - 7.60 centimetres
> Weight: Weight: 540 grammes
>
> It's mentioned in at least two papers:
> 2004, 30 Apr-1 Nov, Schallaburg,---- 'Die
> Pyramiden Agyptens'
> 2013, 22 Jan - 20 May, Kunsthistorisches Museum,
> Vienna , 'In the Shadows of the Pyramids: The
> Austrian excavations at Giza (1912 – 1929)'
>
> It's not the only roughly spherical pounder found
> in/around Giza.
>
> > I didn't find anything related to a sphere in
> the
> > Bent Pyramid or the Red Pyramid, but I thought
> > both had geometric features based on a circle.
>
> If you look for "pounders"/diorite pounders (or
> similar) you'll find some examples.

It was probably just accidentally dropped or discarded into the shaft. NOW if it had looked like this it might have been significant:

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Edited 1 time(s). Last edit at 04/14/2022 07:03PM by Hans.