steve herschbach
New member
Hi,
There were some old TR units that had a meter where the needle was centered. A "mineral" signal deflected it left and a "metal" signal deflected it right.
Help me out here and list a few of the best of these units.
Steve Herschbach
	
		
			
		
		
	
				
			There were some old TR units that had a meter where the needle was centered. A "mineral" signal deflected it left and a "metal" signal deflected it right.
Help me out here and list a few of the best of these units.
Steve Herschbach
