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 In a message dated 7/23/2010 11:02:14 A.M. Pacific Daylight Time, 
vbra676539@aol.com writes: 
It might take a little fiddling to get the thing set up, but once in place should be pretty much bullet proof. Hi Vance. That's what I love about the idea. Reliability is a key component 
of my design and this mechanical set-up for position indicators is the ultimate 
in simplicity, accuracy, and reliability. ( not to mention low cost ) 
Thanks for passing it along.  
Frank D. 
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