[ATM] Figuring Help On a 6" F7

[COO <coo_mo@yahoo.com>]

Hi Gang,
 
I've starting taking Couder mask measurements a 6" F7 pyrex mirror that I'm making. 
 
My current results are here: http://www.atmlist.net/contrib/coo_mo-at-yahoo-dot-com/mirror2.jpg
 
I think I'm close but was wondering if someone can give me guidance on what stroke to employ next.
 
For what it is worth my pitch is very hard.  I've probably been polishing for 10 hours now and I have not seen any channel closing.  Also the bevel on the edge of the pitch is still there - there is no evidence of the pitch flowing toward or over the edge of the tool.  The tool and mirror seem to mate well however and the surface of the mirror passes the laser reflection test (well damn close anyway ;-)) so I'm just "going with it".
 
thanks
 
Joe
 

		
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