[ATM] Sharpie Test , Mating Spheres Blank/Tool Query...

[asatsi at yahoo.com (Satish K. Pagare)]

Hi List,

I am done with rough grinding for my 8" (planned F/6)
and now moved onto #120. After a number of wets I
did the Sharpie test on the blank. And the lines
near the edges take longer time to go away. Basically
Sharpie test failed. Going by my reference site
at http://www.stellafane.com , if the lines at the
edges are still there for sharpie test. Then I need to
do more 1/3 center over center with MOT. But my main 
worry after doing quite a few wets, with MOT and 1/3
center over center, I have already overshot the
sagitta
and the sharpie test is still failing for me. 

I just want to clarify my doubt here. Is it possible
for me to do TOT 1/3 COC strokes and flatten my 
overshot sagitta as well as get the perfect mating
sphericals of the blank and the tool?

Thanks in advance you "Beautiful People" :)
Regards,
Satish/

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