Re: Alternatives to glass pushing

Steve Strickland (lensnut@tpoint.net)
Fri, 31 Mar 1995 10:16:43 GMT

>About a year ago (Feb '94) Scientific American did an article on spun
>mercury mirrors and their optical quality. "Amateur Scientist" showed
>how to spin a respectable quality mirror on a record player in that same
>issue. Has anyone tried this? This certainly seems like the right place
>to ask... :-)
>
>I spun a 5" mirror of polyurethane, but never got around to silvering
>it...is it possible to silver polyurethane?

The spinning equations are available from one of the ftp sites at Univ. Arizona, probably the mirror lab site is where I got it.

--
Steve Strickland
Lensnut@tpoint.net