I am presently experimenting with etching brass in ferric chloride. Tony Moss's
info was my starting point. To date I have etched 2 plates. One good, one
better. None dead on.
Tony recommends a photoresist film calledORDYL manufactured by Mega
Electronics in the UK. Their rep in the USA is
See
http://www.congress.org/congressorg/bio/userletter/?letter_id=6195591101content_dir=politicsol
for a plea to President Obama relating to a sundial.
Fred Sawyer
---
https://lists.uni-koeln.de/mailman/listinfo/sundial
Dear All,
Fred Sawyer notes a plea to President Obama
to have a sundial which was originally in
Hawaii, but is now in Maryland, returned to
its rightful place:
http://www.congress.org/congressorg/bio/userletter/?letter_id=6195591101cont
ent_dir=politicsol
If President Obama is successful,
Dear friends
As the year 2011 is approaching I would like to present to all of you a special
calendar showing the best of Polish sundials. I hope you gonna like it as much
as the works of Polish masters of gnomonics.
You may download the calendar from here:
