Many thanks for all your helpful comments; I will let you know how I do
later in the year.
With best wishes,
Jackie
Jackie Jones
50° 50 09 N0° 07 40 W
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Jackie
Jones
Sent: 08 May 2015 17:47
To: sundial@uni-koeln
Greetings, Jackie and all,
In 1994 I put a dial on a wall of my place of work. This wall is high
up, right on the sea shore and violently exposed. The dial is 110cm. by
85cm. and is made of marine ply with a (braced) brass gnomon. I
repainted it after about ten years and last year after twenty
Hi Jackie,
I have done several dials like this cut from a large plastic board I
purchased several years ago. The board is some kind of sign-board ¾
thick, with high density foam core and smooth plastic on each side. I
cannot locate either the name of this material or where I got it from, bu
Hi,
It sounds an interesting project.
If you must use wood, don’t use exterior grade ply. Exterior grade ply
specifications relate mainly (possibly only) to the glue that is used; not to
the way they might survive in an exterior environment.
Marine grade ply is much better – the more so if yo
Dear Jackie, I am familiar with a material called Trespa which might work for
you. It is used commercially
as a rain shield on larger building walls and comes in panels of various sizes,
even very large (8' x 14').
It is a resinous material of some sort. You can get it
through commercial contr
