21 May
2002
21 May
'02
2:25 p.m.
From: ard(a)p850ug1.demon.co.uk
Subject: Re: [CCTALK] [CCTECH] scanners & circuit boards...
Hi Tony
You might contact Stephen Tonkin at webmaster(a)astunit.com. He is
in the UK and is also a telescope maker. I'm sure he can point
you to some place with supplies.
I'm not sure what Doc is talking about with Cerium oxide.
It cleans up well and is a little off white in color ( sometimes
a little yellowish ). Rouge is really messy and will stain everything.
I've not worked wit chromium oxide so I can't say it is
better or worse that cerium oxide but I don't know how it
could be a powder and be any better.
Dwight
Hi Tony
You can order the right stuff for optical work from
places like Newport Glass and William-Bell. You can also
Anyone know a UK equivalent -- a company that sells optical abrasives?
And for that matter optical adhesives and glasses? Or can I assume that
because almost no real science/engineering is done over here any more
that such companies don't exist?
-tony