[rescue] Oh my gosh, an on-topic question! ;^)

[vance at neurotica.com]

On Wed, 19 Feb 2003, Ron Wickersham wrote:

> > -James [my personal fave is bead blasting with tiny CO2 pellets]
>
> which brings the question did you make your own CO2 gun or use a
> commercial one?  i've heard that blasting with CO2 snow is the best way
> to clean optical surfaces, so it sounds kind to surfaces.

Be careful about accumulation of condensate.

Peace...  Sridhar