Re: [ATM] Not tde or tue, important oblate spheroid, ellipsoid

["Bob May" <rmay@nethere.com>]

The subjecgo only gets nastier than this.  How you push the glass
also makes a difference in what shape you get.  Theory is that
the 1/3 strokee produces a spherical mirror is, to a fair degree
true.  However, if you push down on the glass or tool at the
right time, you can change the shape of the glass surface.
With that bit of tantalizing, I'm going to back out and let othes
go about their theories.
Bob May

rmay at nethere.com
http: slash /nav.to slash bobmay
http: slash /bobmay dot astronomy.net


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