RE: ATM About making a glass blank

[Michael Lindner <mikell@optonline.net>]

Posted for one who can't post currently:

On Monday 26 May 2003 09:47 pm, Alfredo Neves wrote:
> Hi,
>
> I also think it would be a nice project being able to melt and aneal
> glass! I live in a third world country and optical supplies are a pain!
> At the moment I would love to buy two 12.5" BK7 blanks but even in the
> US it seems you can only buy glass from the big companies, and at least
> Newport has still to answer my quote request! Is there a quick way to
> buy optical glass??
>
> My idea would be to buy ophalmatic crowns and melt them down. The only
> real requirement is a good computer controlled kiln. I've seen some for
> ceramics, that I think would do the job.
>
> Rick try looking at:
>
> http://www.megspace.com/science/sfe/i_fa_rib.html
>
> to see how this chap fuses glass for his ribbed mirror blanks. I think
> this will encourage you in your persuit. I encourage you forward. After
> all they made mirror blanks before computers where even invented!
>
> Alfredo

-- 
Michael Lindner
http://www.starastronomy.org
http://home.att.net/~mikel http://www.atmsite.org
http://home.attbi.com/~dcass/atmfaq/atm-faq.htm