Re: [ATM] mirrors

["David Harbour" <scarab2@cox.net>]

There will be a mass movement back to silvering, at home, in the garage or
basement, with the old precipitation methods. The aluminzers can go find a
job emptying dumpsters, or something.

Dave

----- Original Message -----
From: "Thomas" <tomjan@ozemail.com.au>
To: "'Cec & Cris'" <ccabar@bigpond.com>
Cc: "ATM" <atm@atmlist.net>
Sent: Tuesday, May 24, 2005 5:59 PM
Subject: RE: [ATM] mirrors


> Hi Cristian,
>
> Where in the great land of Oz are you, I'm QLD?
>
> I've done a 10" (250mm) ASM mirror, I found the material to be a bit
> "rubbery" while I was figuring, but once done it's held that figure very
> well over the last 5 years now.
>
> As for local glass you can talk to that mob in Sydney, big scope
> retailer, they also do a bit of ATM stuff, but for getting your hands on
> pyrex talk to Schott Carsgo(sp?) anyway they are Schott's local arm,
> they sell 1" thick Pyrex sheets 25"X40" or so, I'm going from memory
> here so I might be a bit out. The only thing is you have cut your own
> blank out of stuff.
>
> One thing to consider when doing a monster nirror is who's going to put
> the coating on it? 24" is a lot-a-coating!
>
> Anyway hope I've been of some help.
>
> Clear skies,
> Thomas Janstrom
> http://www.tjanstrom.com
> http://www.norsewines.com.au
> "Your nobody until you've been ignored by your seventh cranio-facial
> nerve."
>
>
> -----Original Message-----
> From: atm-bounces@atmlist.net [mailto:atm-bounces@atmlist.net] On Behalf
> Of Cec & Cris
> Sent: Tuesday, 24 May 2005 8:09 PM
> To: atm@atmlist .net
> Subject: [ATM] mirrors
>
>
> Hi everyone
>
> My name is Cristian and I have just joined your group.
> I'm in the process of grinding out a 250mm mirror(I'm up to the fine
> grinding stage) and I'm already looking into my next project. In
> Australia it's difficult to find mirror blanks, most come from overseas
> and cost a small fortune. Through your links I came across ASM products
> page and I was wondering if anybody out there had made mirrors using
> their products and if they hold their shape due to temperature changes.
> I want to make a 24 inch mirror.
>
> regards Cristian _______________________________________________
> ATM mailing list http://www.atmlist.net/
>
>
> _______________________________________________
> ATM mailing list http://www.atmlist.net/

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