Re: Papers for Platinum Printing

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From: Jeff Buck (jeffbuck@swcp.com)
Date: 01/01/03-09:05:53 AM Z


I mentioned yesterday in the first note on this subject yesterday that
Stuart said that he'd seen this in literature of that era. -jb

At 01:18 AM 1/1/2003 -0500, you wrote:

>On Tue, 31 Dec 2002, Clay wrote:
>
> > I'm pretty sure Stuart was the provenance for this little trick. The
> > clerks in the liquor store look at you strangely when you come in and
> > just purchase 500ml of Everclear. You can just see them thinking "He
> > doesn't look like a basket case, but I guess you can never tell."
>
>
>No, it was on the list at least 4, maybe 5 years ago --but for gum. I've
>also seen it in old books as an additive to gum emulsion. In fact I have
>a little book from 1905 in the "Practical Photographer" series, on
>"Gum-Bichromate." I'm pretty sure one of the articles mentioned alcohol.
>If I find the book, I'll check.
>
>I used isopropl alcohol about 1 part to 3 parts emulsion to coat a
>slippery non-absorbent surface with gum. It definitely helped, though
>still didn't work really well.
>
>J.


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