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[ATM] Re: Next moves
Oliver, those are indeed some wonderful foucaultgrams! Although it may not
apply strictly to your own mirror, I think one of the best ways to *produce* a
Turned Down Edge is to bevel your lap so that it is slightly subdiameter. It
may sound counter-intuitive, but a slightly oversized lap will cure TDE pretty
rapidly. Instead of adding a layer of pitch to the top of the lap, maybe try
taping a dam around the lap and adding some pitch to bring the diamter out to
10.5 inches. Might help.
Jay in CT (where can I get some of that cerebral oxide, Jerry?)
> The lap is slightly sub-diameter (about 9.5 "), with 7 facets in each
> row/column (not hex shaped). The pattern is asymmetric according to the
> mirror's center.
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