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[ATM] Re: Second Thoughts on Mirror Support

Subject: [ATM] Re: Second Thoughts on Mirror Support
From: stuart452 at earthlink.net (Stuart Hutchins)
Date: Thu Feb 12 02:27:41 2004
References: <3fe57e51.7e513fe5@mohawkcollege.ca><Pine.A41.4.58.0402110835580.25704@homer36.u.washington.edu>

The grinding and polishing process is randomized, so all the pressure points
are averaged out over time. Final figuring then shaves away any residual
errors, using feedback from the Foucault or Ronchi measurements.

Stuart

----- Original Message -----
From: "B. Bainbridge" <brianb@u.washington.edu>
To: "Emery Greg" <greg.emery@mohawkcollege.ca>
Cc: <atm@atmlist.net>
Sent: Wednesday, February 11, 2004 9:38 AM
Subject: Re: [ATM] Re: Second Thoughts on Mirror Support

>
> Many people grind large thin mirrors on a piece of carpet.
> Is this use of carpet adequate?
>

References:
- [ATM] Re: Second Thoughts on Mirror Support
  - From: greg.emery at mohawkcollege.ca (Emery Greg)
- [ATM] Re: Second Thoughts on Mirror Support
  - From: brianb at u.washington.edu (B. Bainbridge)

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