Posted by Paul(in NY) on Thursday, April 22, 2004 at 5:26PM :
In Reply to: Third member welding {lets try this again] posted by John Foster on Thursday, April 22, 2004 at 1:52PM :
Here is a link that will describe the spark test with pictures of results. You will start on page 4, work your way up and thru page 6. When you complete the spark test, you should know with certanity what your dealing with.
http://www.prest-o-lite.com/EUWeb/OXY_handbook/589oxy24_4.htm
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