Posted by ChuckC on October 27, 2001 at 10:21:32:
In Reply to: Easy to spot the knock offs................. posted by Don on October 26, 2001 at 19:44:48:
stainless steel doesn't carry all those nasty resonant frequencies. You just get PURE Signal!!
http://psearch.mcmaster.com/param/asp/ss.asp?FAM=stainlesssteel&FT_130=1611&desc=Stainless+Steel+Foil&FT_128=1492&FT_101=6235