a MUCH better photo of the icosahedron

[reismann at free.fr]

Hi Seqfans

I found this page of The National Galleries of Scotland web site :
http://www.nationalgalleries.org/tipu/thistle211.htm
The icosahedron is a box but it could also be a dice or an astrological object.

Best

Rémi

Selon Martin Fuller <martin_n_fuller at btinternet.com>:

> Your guess is confirmed by a font found via wikipedia:
> http://en.wikipedia.org/wiki/Nasta%27l%C4%ABq
> then to the CRULP link. The digits are unicode 06F0 to
> 06F9.
>
> Two more pictures via google search: icosahedron tipu
> sultan picture
>
> www.scran.ac.uk, item 2.11, same picture as Neil's
> first link (nb. it is reversed left-to-right). Has the
> comment: "Icosahedron box, each side with a
> mathematical value, and containing two manuscript
> notes, one a diagram of the 20 sides." That manuscript
> could be very useful if anyone can find a copy!
>
> www.invaluable.com, first item on page, has a picture
> of the box with the lid open.  It then mentions that
> the contained manuscript was lost but luckily had been
> annotated.
>
>            101
>   21                   81           901
>       501   *    201
>   *                   *  71?  701?   *     ??
>         401   301
>    ??       *       61            ??   601
>     * 41         91 *
>            51
>
> --- "N. J. A. Sloane" <njas at research.att.com> wrote:
>
> > my guess is that the 5 faces around the prominent
> > vertex (*)
> > facing the viewer read
> >
> >           101
> >
> >      501   *    201
> >
> >         401   301
> >
> >
>
>