I have been asked about a link to the Compendium article I quoted im my
previous email.
Well that article is not actually available but almost the same content is
included in the following presentation :
http://www.sundials.eu/download/bifilareENU.pdf
Moreover an example of the results you can
designs against vandalism (Cesar Busto)
A robust and anti-vandalism solution would be to build a bifilar sundial with
two vertical walls whose heights correspond to a classic bifilar .
By adding an hole to the N-S wall, you could trace an analemma.
César Busto
---
This email has been checked
Hi,
My favourite example of a robust public dial is the Dodwell dial located in
Adelaide, South Australia. As (I hope) the appended photo shows, it is a
variant of a polar dial, which, in effect, has been split in two, with the
resulting gnomons moved to the outer edges. It has been in
David,
have a look at the bifilar sundials article on The Compendium 24-2 :
"Bifilar sundials within everyone's means" (let me know if you cannot reach
it).
Then download the "Orologi Solari" program that can be used to design
almost every kind of bifilar sundials.
And let me know about every
Assuming the question relates to the gnomon of a traditional Horizontal
Dial, then perhaps use a design with a very wide gnomon. That ought to make
it harder to bend it, and gives more contact area on the dial faces for
more screws.
Steve
On Thu, Sep 26, 2019 at 01:00, Dan-George Uza
wrote:
>
In message
Michael Ossipoff wrote:
> I like the pond suggestion, It hadn't occurred to me, and I hadn't heard it
> before.
>
> Michael Ossipoff
> 40 F
> September 27th
> 1101 UTC
Just like yourself, I never thought of using a surrounding water-
barrier to protect any sundial from
I like the pond suggestion, It hadn't occurred to me, and I hadn't heard it
before.
Michael Ossipoff
40 F
September 27th
1101 UTC
---
https://lists.uni-koeln.de/mailman/listinfo/sundial
Of course a steel gnomon securely fastened would be harder to break off. Of
course you already know that people have suggested high-mounted vertical
wall-dials. Of course, for those, for security, you wouldn't want one of
those horizontal nodus-sticks. You'd want the usual downward-slanted gnomon.
In message
Dan-George Uza wrote:
> Hello,
>
> Horizontal sundials are often victims of vandalism. I am looking for ideas
> or designs of gnomons which are not that easy to break off i.e. how to
> attach them permanently to the base plate. Can you help?
>
> Thanks,
>
Hi, Dan
If
dear Dan
I think one of the better way is to create a pool with few centimeters
of water around the sundial, small enough to allow to watch the dial,
large enough to avoid to reach it.
The bottom of the pool may have white o black little stones to get more
evidence for the sundial, this
Hello,
Horizontal sundials are often victims of vandalism. I am looking for ideas
or designs of gnomons which are not that easy to break off i.e. how to
attach them permanently to the base plate. Can you help?
Thanks,
--
Dan-George Uza
---
11 matches
Mail list logo
