Hi again Martina,
With around 30,000 primary schools (in the UK alone), even if just
5% (1 in 20) of them bought a Teaching Sundial at a cost of (say)
500 Pounds - that is a 'turnover' of three-quarters-of-a-million !
Thinking about a worldwide market, you can see the possibilities.
In the
In message 4db41957.7040...@lindisun.demon.co.uk
Tony Moss t...@lindisun.demon.co.uk wrote:
Hi again Martina,
With around 30,000 primary schools (in the UK alone), even if just
5% (1 in 20) of them bought a Teaching Sundial at a cost of (say)
500 Pounds - that is a 'turnover' of
An email unfinished came to you.
Sorry.
You will become a definitive one .
Willy Leenders
Hasselt in Flanders (Belgium)
Op 23-apr-2011, om 21:24 heeft Claude Hartman het volgende geschreven:
I would like to question the instructional qualities of analemmatic sundials.
Unlike Tony
Claude Hartman claims that an analemmatic sundial is the projection of a polar
sundial (the dial plate is set along the East-West direction and inclines so
that it is parallel with the polar axis).
It will be easier to explain why a vertical person or staff casts a shadow to
the hour points on
Thank you Willy. That is indeed the type of graphic that is needed.
Frans Maes is to be complimented for this diagram approach to explaining
the principle.
In contemplating this diagram, I think it is important to point out that
the ellipse is not a shadow.
What then is the reason that the
Does anyone know where I can get software for a perforated ring dial.
--
Cheers
Donald
0423 102 090
This e-mail is privileged and confidential. If you are not the intended
recipient please delete the message and notify the sender. Un-authorized use
of this email is subject to penalty of law.
