Re: ATM Can an 18" mirror be made by hand?

[Guy Brandenburg <gfbranden@earthlink.net>]

How did the "Candle Holder" mirror work out?
Guy Brandenburg

Lawrence Sayre wrote:
> 
> Now that I've completed my introductory 8.6" 'Candle Holder' mirror, my
> sights for down the road are set on a far loftier goal.  Can an 18" f/4
> mirror be made by hand, or is this the exclusive realm of grinding
> machines?
> 
> Would the appreciable softness of 'BVC' make hogging out be hand (and
> fine grinding, polishing, finishing also) a bit easier, vs. plate glass
> or Pyrex?

Everybody who has used the stuff has said it is a LOT softer and faster
to work than pyrex or plate glass. I have no personal experience so far,
but would love to hear from those who have successfully completed a
mirror using BVC.

>  At only $349 + shipping for a 1.75" thick BVC blank of 18"
> dia., the price of BVC is quite tempting.
> 
> Lawrence Sayre
> 
> ---------------------------------------------
> "Man's mind is his basic tool of survival!"
> (a quote from the famous 'John Galt'  speech
> in the equally famous book "Atlas Shrugged")
> ---------------------------------------------