To: "atmlist" 
Reply-To: "Scott Berfield" 


I just did a preliminary check of my mirror (well, soon to be mirror) with
a Ronchi screen since after two hours of polishing it was looking shiny
enough to test. While I know I am under orders not to worry about the
figure until I am done polishing, I want to make sure I am learning to
properly interpret the tests before I get toe h figuring stage where it
really matters. I have posted a page at http://www.berfield.com/ronchi.htm.
If anyone wants to check it out and tell me if I am seeing what I think I
am seeing, I would appreciate it. It looks to me like I currently have an
oblate spheroid and a turned edge. I am assuming that as I continue
polishing this should even out to a sphere? I am using a 1/3 COC stroke
with MOT. Any suggestions? Thanks in advance.
(sorry about the image quality - I held a PC camera up to the tester by
hand and then had to scale the images in Photoshop since I couldn't get
them larger with the camera.)

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They always say that time changes things, but you actually have to change
them yourself.

-Andy Warhol

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