Message text written by INTERNET:sundial@rrz.uni-koeln.de
This request is not limited to tubes. Any clever idea is welcome.
How about the Liberation Monument WW2 Memorial, St Peter Port in Guernsey?
That is calibrated so that on the anniversary of the Island's liberation
(May 9th I think) the
unless
they are on the date of a solstice. Tubes in a dial or in a structure
would
light up for a certain time when the sun's declination has a certain
value.
In order for this to be only on one day the tube would have to be quite
narrow
if close to a solstice (declination not changing
Perhaps the classic "anniversary" dial is the vertical decliner by Christopher Daniel at Chatham, Kent. It is known as the Nelson dial and it has a small circular spot in the dialface in the form of the Union Flag. This commemorates not just the date, but also the time when Admiral Nelson was
I'm looking for examples of dials that will illuminate a particular spot
on the dial only on the date (and time of day, preferably) to be
commemorated...
At the 2003 NASS Conference in Banff, Helm Roberts described his work as
architect of the Kentucky Vietnam Veteran's Memorial. Helm
on the dial only on the date (and time of day, preferably) to be
commemorated. I recall running across links to tube-based dials in the
past, but apparently didn't file them away.
Can anyone point me to such dials? I want to show examples to a group
of which I am a member. If they are
On the sundial website of Frans Maes
http://www.biol.rug.nl/maes/zonnewijzers/welcome-e.htm
you can see the equatorial sundial of Sint-Martens-Voeren in Flanders,
Belgium.
The shadow of a little ball in the slit-shaped pole-style hits the center
line of the time scale on July 11, the holiday of
