[Alberg30] Acetylene Brazing

[GoedenP at aol.com]

Help!   I am going to braze a fitting to my copper exhaust pipe.  I have done 
a bit of brazing with a MAPP torch but I've never used acetylene with its 
2-tank system.  Could somebody give me some basic guidance in determining the 
mixture, safe handling, etc?  Peter Goeden
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