Building own telescope - ground glass making

I have heard a story about an electrician whom had to have his arm removed
after touching the stuff.
--
Wishing you clear dark skies
Jim Vincent.
jims astro pages www.jimsastro.com
Castle Point Astronomy Club www.cpac.org.uk


wrote in message
oups.com...
I wouldn't recommend hydroflouric acid. I read somewhere that it pases
through the skin and finds it way to the bones. Do we have any chemists
or doctors aboard who can confirm this please? Getting hold of the
stuff probably wouldn't be easy for the layman ayway.

Chris.B