Re: [ATM] mirrors

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

Sorry, Tom.

I knew another fellow who aluminized at home. He just couldn't get a really
opaque coating. I think he said it was because he didn't have an oil
diffusion pump.

Good luck on your aluminizing project-

Dave
----- Original Message -----
From: "Thomas" <tomjan@ozemail.com.au>
To: "'David Harbour'" <scarab2@cox.net>
Sent: Wednesday, May 25, 2005 12:13 AM
Subject: RE: [ATM] mirrors


> NO. Don't say that! I've just about finished my at home Al coating rig!
>
> 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: David Harbour [mailto:scarab2@cox.net]
> Sent: Wednesday, 25 May 2005 9:31 AM
> To: ATM LIST; Thomas
> Subject: Re: [ATM] mirrors
>
>
> 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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