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.
