From: "Jerry B. Hillman" 
To: 
Reply-To: "Jerry B. Hillman" 


Hi all,
I used my circular saw and a carbide blade to cut the 3 rectangles I needed
from the broken pieces.
It took some time since I was cutting from the surface down a little bit at
a time but by the time I got about 1/3" through the glass it would
break on its own. Silicosis precautions observed. Thanks to Guy Brandenburg
I got a test setup put together so I could look at interference fringes.
So I guess I am off and running. All three pieces show some irregularity in
the fringes. Primarily depressions. I don't know if they can be polished
out or if I am going to have to grind them out. Any advice from out there??
Clear skies, Jerry

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