From: André Szabolcs Szelp (a.sz.szelp@gmail.com)
Date: Fri Aug 06 2010 - 05:41:00 CDT
> Looking at the examples shown on
> <http://en.wikipedia.org/wiki/John_W._Nystrom>, it seems to me that
> 0-8 are ordinary digits, and the symbols for 9 through 15 are inverted
> or inverted+modified forms of the digits '7' through '1', so that
> there is some sort of imperfect bilateral symmetry on the clock and
> compass faces, with '0' and '8' as the axis of symmetry. Thus the '9'
> is an inverted '6' (as 16-6=10) not an ordinary '9'. So except for the
> odd glyph forms for 9, 11, 12 and 15 (would be be expected to be
> simple inversions of '7', '5', '4' and '1') it makes sense as a system
> to me.
Very good observation!
/Sz
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