Re: Determining SPT with gum Was: Gums a la Demachy and Puyo

Ah, that makes better sense. Thanks for clarification.
kt

On Jul 12, 2006, at 12:42 PM, Loris Medici wrote:

> Obviously it's not about gum... I use that method for / with iron
> processes.
> Sorry for not being clear (the question and the desciption of my
> method were
> two different parts of my message).
>
> Loris.
>
> -----Original Message-----
> From: Katharine Thayer [mailto:kthayer@pacifier.com]
> Sent: 12 Temmuz 2006 Çarşamba 19:49
> To: alt-photo-process-l@usask.ca
> Subject: Re: Determining SPT with gum Was: Gums a la Demachy and Puyo
>
> Loris, I'm sorry, this makes no sense to me at all. Overexposure =
> solarization = less DMax? This is GUM you're talking about? In my
> gum
> universe, all overexposure does is block up the shadows higher,
> requiring a
> longer development to unblock them, but in all my years of gum
> printing,
> I've never seen solarization or loss of DMax as a result of
> overexposure.
>
> Katharine
>
>
>
Received on 07/12/06-01:50:25 PM Z