That is really neat. Anyone who knows someone who welds can easily get their hands on argon, which is probably better then CO2 for purging. Argon won't hold any moisture while I believe that CO2 can. Nitrogen is available at most tire filling stations these days, or at least the good ones.
Making an Astrocam from a Webcam
Posted - Apr 15 2009 : 04:05:55 AM
