Re: Trick for increasing speed of photo papers?

Ed:

Do you have more information on fuming film with ammonia? I'm planning on
doing more work with pinhole cameras. I use lith film which is pretty
slow. I've managed to squeeze more speed out of these films, but I
haven't tried ammonia fuming.

Gord

On Wed, 17 Nov 2004, Ed Buffaloe wrote:

> The only thing I can think of is fuming with ammonia. I know this trick was
> used with albumen, and later with film.
>
> ----- Original Message -----
> > Is there any trick that can be used to increase the sensivity of B&W
> > photographic paper (by say... 2 or 3 stops for instance)
> >
> > TIA,
> > Loris.
>

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Gordon J. Holtslander Dept. of Biology
holtsg@duke.usask.ca 112 Science Place
http://duke.usask.ca/~holtsg University of Saskatchewan
Tel (306) 966-4433 Saskatoon, Saskatchewan
Fax (306) 966-4461 Canada S7N 5E2
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Received on Thu Nov 18 09:23:34 2004