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Re: [ATM] Dumb Question: how to measure a...



> Given a circle of glass, how can I measure it to characterize its
> circularity?   Assume I do not know where on the glass is the "center",
if,
> in fact a center exists.

If high accuracy is not needed, then a quick method is to use a center head
to find the center. See:
http://i72.photobucket.com/albums/i163/miltons_stuff/starrettno11.jpg



Don Clement

Running Springs, California



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